Add CCTK_BUILTIN_ASSUME_ALIGNED

This checks whether the GCC extension __builtin_assume_aligned is available, which can generate more efficient code when accessing data via pointers. git-svn-id: http://svn.cactuscode.org/flesh/trunk@5033 17b73243-c579-4c4c-a9d2-2d5706c11dac
author: eschnett <eschnett@17b73243-c579-4c4c-a9d2-2d5706c11dac> 2013-07-07 14:29:13 +0000
committer: eschnett <eschnett@17b73243-c579-4c4c-a9d2-2d5706c11dac> 2013-07-07 14:29:13 +0000
commit: 7667d814899d8e67cb8e45d5d04adf22e388e4d8 (patch)
tree: 72e101af59f3b6842be4554458b524a805d2f94f
parent: 51cef93356584dc23771ef43ccb827a1abcf8159 (diff)
5 files changed, 578 insertions, 429 deletions
diff --git a/lib/make/aclocal.m4 b/lib/make/aclocal.m4
index 2851bf0f..e96e7a46 100644
--- a/lib/make/aclocal.m4
+++ b/lib/make/aclocal.m4
@@ -1111,6 +1111,37 @@ fi
 
 
 
+AC_DEFUN(CCTK_C_BUILTIN_ASSUME_ALIGNED,
+[AC_CACHE_CHECK([for C __builtin_assume_aligned], cctk_cv_have_c_builtin_assume_aligned,
+[cctk_cv_have_c_builtin_assume_aligned=no
+AC_TRY_LINK(,
+__builtin_assume_aligned((void*)1000, 10);
+__builtin_assume_aligned((void*)1001, 10, 1);
+, cctk_cv_have_c_builtin_assume_aligned=yes, cctk_cv_have_c_builtin_assume_aligned=no)
+])
+if test "$cctk_cv_have_c_builtin_assume_aligned" = "yes" ; then
+   AC_DEFINE(HAVE_CCTK_C_BUILTIN_ASSUME_ALIGNED)
+fi
+])
+
+AC_DEFUN(CCTK_CXX_BUILTIN_ASSUME_ALIGNED,
+[AC_CACHE_CHECK([for CXX __builtin_assume_aligned], cctk_cv_have_cxx_builtin_assume_aligned,
+[cctk_cv_have_cxx_builtin_assume_aligned=no
+AC_LANG_SAVE
+AC_LANG_CPLUSPLUS
+AC_TRY_LINK(,
+__builtin_assume_aligned((void*)1000, 10);
+__builtin_assume_aligned((void*)1001, 10, 1);
+, cctk_cv_have_cxx_builtin_assume_aligned=yes, cctk_cv_have_cxx_builtin_assume_aligned=no)
+AC_LANG_RESTORE
+])
+if test "$cctk_cv_have_cxx_builtin_assume_aligned" = "yes" ; then
+   AC_DEFINE(HAVE_CCTK_CXX_BUILTIN_ASSUME_ALIGNED)
+fi
+])
+
+
+
 AC_DEFUN(CCTK_CXX_STATIC_ASSERT,
 [AC_CACHE_CHECK([for CXX static_assert], cctk_cv_have_cxx_static_assert,
 [cctk_cv_have_cxx_static_assert=no
diff --git a/lib/make/cctk_Config.h.in b/lib/make/cctk_Config.h.in
index 2e3a0c48..4858893a 100644
--- a/lib/make/cctk_Config.h.in
+++ b/lib/make/cctk_Config.h.in
@@ -373,7 +373,7 @@ typedef enum {false, true} bool;
 /* Whether __builtin_expect exists. */
 #undef HAVE_CCTK_C_BUILTIN_EXPECT
 #ifdef HAVE_CCTK_C_BUILTIN_EXPECT
-#  define CCTK_BUILTIN_EXPECT(x,y) __builtin_expect(x,y)
+#  define CCTK_BUILTIN_EXPECT __builtin_expect
 #else
 #  define CCTK_BUILTIN_EXPECT(x,y) (x)
 #endif
@@ -381,11 +381,19 @@ typedef enum {false, true} bool;
 /* Whether __builtin_unreachable exists. */
 #undef HAVE_CCTK_C_BUILTIN_UNREACHABLE
 #ifdef HAVE_CCTK_C_BUILTIN_UNREACHABLE
-#  define CCTK_BUILTIN_UNREACHABLE() __builtin_unreachable()
+#  define CCTK_BUILTIN_UNREACHABLE __builtin_unreachable
 #else
 #  define CCTK_BUILTIN_UNREACHABLE() CCTK_Abort(0, 1)
 #endif
 
+/* Whether __builtin_assume_aligned exists. */
+#undef HAVE_CCTK_C_BUILTIN_ASSUME_ALIGNED
+#ifdef HAVE_CCTK_C_BUILTIN_ASSUME_ALIGNED
+#  define CCTK_BUILTIN_ASSUME_ALIGNED __builtin_assume_aligned
+#else
+#  define CCTK_BUILTIN_ASSUME_ALIGNED(exp, ...) (exp)
+#endif
+
 /* OpenMP collapse clause */
 #if (defined CCTK_DISABLE_OMP_COLLAPSE ||                               \
      (defined __IBMC__ && defined _ARCH_450D) ||                        \
@@ -582,7 +590,7 @@ typedef enum {false, true} bool;
 /* Whether __builtin_expect exists. */
 #undef HAVE_CCTK_CXX_BUILTIN_EXPECT
 #ifdef HAVE_CCTK_CXX_BUILTIN_EXPECT
-#  define CCTK_BUILTIN_EXPECT(x,y) __builtin_expect(x,y)
+#  define CCTK_BUILTIN_EXPECT __builtin_expect
 #else
 #  define CCTK_BUILTIN_EXPECT(x,y) (x)
 #endif
@@ -590,11 +598,19 @@ typedef enum {false, true} bool;
 /* Whether __builtin_unreachable exists. */
 #undef HAVE_CCTK_CXX_BUILTIN_UNREACHABLE
 #ifdef HAVE_CCTK_CXX_BUILTIN_UNREACHABLE
-#  define CCTK_BUILTIN_UNREACHABLE() __builtin_unreachable()
+#  define CCTK_BUILTIN_UNREACHABLE __builtin_unreachable
 #else
 #  define CCTK_BUILTIN_UNREACHABLE() CCTK_Abort(0, 1)
 #endif
 
+/* Whether __builtin_assume_aligned exists. */
+#undef HAVE_CCTK_CXX_BUILTIN_ASSUME_ALIGNED
+#ifdef HAVE_CCTK_CXX_BUILTIN_ASSUME_ALIGNED
+#  define CCTK_BUILTIN_ASSUME_ALIGNED __builtin_assume_aligned
+#else
+#  define CCTK_BUILTIN_ASSUME_ALIGNED(exp, ...) (exp)
+#endif
+
 /* Whether static_assert exists. */
 #undef HAVE_CCTK_CXX_STATIC_ASSERT
 #ifdef HAVE_CCTK_CXX_STATIC_ASSERT
diff --git a/lib/make/configure b/lib/make/configure
index 237854b3..8a318d37 100755
--- a/lib/make/configure
+++ b/lib/make/configure
@@ -184,6 +184,12 @@
 
 
 
+
+
+
+
+
+
 # Guess values for system-dependent variables and create Makefiles.
 # Generated automatically using autoconf version 2.13 
 # Copyright (C) 1992, 93, 94, 95, 96 Free Software Foundation, Inc.
@@ -856,7 +862,7 @@ else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
 fi
 
 echo $ac_n "checking host system type""... $ac_c" 1>&6
-echo "configure:860: checking host system type" >&5
+echo "configure:866: checking host system type" >&5
 
 host_alias=$host
 case "$host_alias" in
@@ -902,7 +908,7 @@ if test -n "$LIBS" ; then
 fi
 
 echo $ac_n "checking whether ${MAKE-make} sets \${MAKE}""... $ac_c" 1>&6
-echo "configure:906: checking whether ${MAKE-make} sets \${MAKE}" >&5
+echo "configure:912: checking whether ${MAKE-make} sets \${MAKE}" >&5
 set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_prog_make_${ac_make}_set'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -935,7 +941,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:939: checking for $ac_word" >&5
+echo "configure:945: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -967,7 +973,7 @@ done
 fi
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:971: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:977: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -979,12 +985,12 @@ cross_compiling=$ac_cv_prog_cc_cross
 rm -fr conftest*
 cat > conftest.$ac_ext << EOF
 
-#line 983 "configure"
+#line 989 "configure"
 #include "confdefs.h"
 
 main(){return(0);} int PilotMain(){return(0);}
 EOF
-if { (eval echo configure:988: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:994: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   ac_cv_prog_cc_works=yes
   # If we can't run a trivial program, we are probably using a cross compiler.
   if (./conftest; exit) 2>&5; then
@@ -1013,7 +1019,7 @@ fi
 CROSS_COMPILE=`echo $CROSS_COMPILE | tr '[:upper:]' '[:lower:]'`
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:1017: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:1023: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
 echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
 if test $ac_cv_prog_cc_cross = yes -a "x$CROSS_COMPILE" != xyes; then
   { echo "configure: error: Could not run executable generated by C compiler (see configs/<configname>/config-data/config.log for details). If this is a cross configuration please set CROSS_COMPILE=yes." 1>&2; exit 1; }
@@ -1021,7 +1027,7 @@ fi
 cross_compiling=$ac_cv_prog_cc_cross
 
 echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
-echo "configure:1025: checking whether we are using GNU C" >&5
+echo "configure:1031: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1030,7 +1036,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1034: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1040: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
@@ -1046,7 +1052,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1050: checking for $ac_word" >&5
+echo "configure:1056: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CXX'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1078,7 +1084,7 @@ done
   fi
 
   echo $ac_n "checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:1082: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works" >&5
+echo "configure:1088: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works" >&5
 
 ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -1090,12 +1096,12 @@ cross_compiling=$ac_cv_prog_cxx_cross
 rm -fr conftest*
 cat > conftest.$ac_ext << EOF
 
-#line 1094 "configure"
+#line 1100 "configure"
 #include "confdefs.h"
 
 int main(){return(0);} extern "C" int PilotMain(){return(0);}
 EOF
-if { (eval echo configure:1099: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1105: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   ac_cv_prog_cxx_works=yes
   # If we can't run a trivial program, we are probably using a cross compiler.
   if (./conftest; exit) 2>&5; then
@@ -1121,7 +1127,7 @@ if test $ac_cv_prog_cxx_works = no; then
   { echo "configure: error: installation or configuration problem: C++ compiler cannot create executables (see configs/<configname>/config-data/config.log for details)." 1>&2; exit 1; }
 fi
 echo $ac_n "checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:1125: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:1131: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler" >&5
 echo "$ac_t""$ac_cv_prog_cxx_cross" 1>&6
 if test $ac_cv_prog_cxx_cross = yes -a "x$CROSS_COMPILE" != xyes; then
   { echo "configure: error: Could not run executable generated by C++ compiler (see configs/<configname>/config-data/config.log for details). If this is a cross configuration please set CROSS_COMPILE=yes." 1>&2; exit 1; }
@@ -1129,7 +1135,7 @@ fi
 cross_compiling=$ac_cv_prog_cxx_cross
 
   echo $ac_n "checking whether we are using GNU C++""... $ac_c" 1>&6
-echo "configure:1133: checking whether we are using GNU C++" >&5
+echo "configure:1139: checking whether we are using GNU C++" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gxx'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1138,7 +1144,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CXX-g++} -E conftest.C'; { (eval echo configure:1142: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CXX-g++} -E conftest.C'; { (eval echo configure:1148: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gxx=yes
 else
   ac_cv_prog_gxx=no
@@ -1154,7 +1160,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1158: checking for $ac_word" >&5
+echo "configure:1164: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CUCC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1189,7 +1195,7 @@ if test -z "$RANLIB" ; then
   # Extract the first word of "ranlib", so it can be a program name with args.
 set dummy ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1193: checking for $ac_word" >&5
+echo "configure:1199: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1225,7 +1231,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1229: checking for $ac_word" >&5
+echo "configure:1235: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_CPP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1271,7 +1277,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1275: checking for $ac_word" >&5
+echo "configure:1281: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_FPP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1315,7 +1321,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1319: checking for $ac_word" >&5
+echo "configure:1325: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_PERL'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1352,7 +1358,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1356: checking for $ac_word" >&5
+echo "configure:1362: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_TAR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1389,7 +1395,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1393: checking for $ac_word" >&5
+echo "configure:1399: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_XARGS'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1426,7 +1432,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1430: checking for $ac_word" >&5
+echo "configure:1436: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_GZIP_CMD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1463,7 +1469,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1467: checking for $ac_word" >&5
+echo "configure:1473: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_PATCH'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1500,7 +1506,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1504: checking for $ac_word" >&5
+echo "configure:1510: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_GIT'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1537,7 +1543,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1541: checking for $ac_word" >&5
+echo "configure:1547: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_F90'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1574,7 +1580,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1578: checking for $ac_word" >&5
+echo "configure:1584: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_F77'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1611,7 +1617,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1615: checking for $ac_word" >&5
+echo "configure:1621: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1648,7 +1654,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1652: checking for $ac_word" >&5
+echo "configure:1658: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_MKDIR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1687,7 +1693,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1691: checking for $ac_word" >&5
+echo "configure:1697: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_SHELL'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1984,7 +1990,7 @@ unset LDFLAGS
 
 
 echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:1988: checking how to run the C preprocessor" >&5
+echo "configure:1994: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
@@ -1999,13 +2005,13 @@ else
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 2003 "configure"
+#line 2009 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2009: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2015: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -2016,13 +2022,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 2020 "configure"
+#line 2026 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2026: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2032: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -2033,13 +2039,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -nologo -E"
   cat > conftest.$ac_ext <<EOF
-#line 2037 "configure"
+#line 2043 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2043: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2049: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -2064,12 +2070,12 @@ fi
 echo "$ac_t""$CPP" 1>&6
 
 echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
-echo "configure:2068: checking for ANSI C header files" >&5
+echo "configure:2074: checking for ANSI C header files" >&5
 if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2073 "configure"
+#line 2079 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <stdarg.h>
@@ -2077,7 +2083,7 @@ else
 #include <float.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2081: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2087: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2094,7 +2100,7 @@ rm -f conftest*
 if test $ac_cv_header_stdc = yes; then
   # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 2098 "configure"
+#line 2104 "configure"
 #include "confdefs.h"
 #include <string.h>
 EOF
@@ -2112,7 +2118,7 @@ fi
 if test $ac_cv_header_stdc = yes; then
   # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 2116 "configure"
+#line 2122 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -2133,7 +2139,7 @@ if test "$cross_compiling" = yes; then
   :
 else
   cat > conftest.$ac_ext <<EOF
-#line 2137 "configure"
+#line 2143 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@@ -2144,7 +2150,7 @@ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
 exit (0); }
 
 EOF
-if { (eval echo configure:2148: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2154: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -2170,13 +2176,13 @@ fi
 
 
 echo $ac_n "checking for C99 features""... $ac_c" 1>&6
-echo "configure:2174: checking for C99 features" >&5
+echo "configure:2180: checking for C99 features" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_c99'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cctk_cv_have_c99=no
 cat > conftest.$ac_ext <<EOF
-#line 2180 "configure"
+#line 2186 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -2187,7 +2193,7 @@ int x;
 
 ; return 0; }
 EOF
-if { (eval echo configure:2191: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2197: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_have_c99=yes
 else
@@ -2216,14 +2222,14 @@ fi
 
 if test "x$cross_compiling" = 'xno' ; then
   echo $ac_n "checking whether byte ordering is bigendian""... $ac_c" 1>&6
-echo "configure:2220: checking whether byte ordering is bigendian" >&5
+echo "configure:2226: checking whether byte ordering is bigendian" >&5
 if eval "test \"`echo '$''{'ac_cv_c_bigendian'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_cv_c_bigendian=unknown
 # See if sys/param.h defines the BYTE_ORDER macro.
 cat > conftest.$ac_ext <<EOF
-#line 2227 "configure"
+#line 2233 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -2234,11 +2240,11 @@ int main() {
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:2238: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2244: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   # It does; now see whether it defined to BIG_ENDIAN or not.
 cat > conftest.$ac_ext <<EOF
-#line 2242 "configure"
+#line 2248 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -2249,7 +2255,7 @@ int main() {
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:2253: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2259: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_bigendian=yes
 else
@@ -2269,7 +2275,7 @@ if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 2273 "configure"
+#line 2279 "configure"
 #include "confdefs.h"
 main () {
   /* Are we little or big endian?  From Harbison&Steele.  */
@@ -2282,7 +2288,7 @@ main () {
   exit (u.c[sizeof (long) - 1] == 1);
 }
 EOF
-if { (eval echo configure:2286: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2292: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_c_bigendian=no
 else
@@ -2325,7 +2331,7 @@ if test "x$cross_compiling" = 'xyes' -a -z "$SIZEOF_LONG_LONG" ; then
 fi
 
 echo $ac_n "checking size of long long""... $ac_c" 1>&6
-echo "configure:2329: checking size of long long" >&5
+echo "configure:2335: checking size of long long" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_long_long'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2333,7 +2339,7 @@ else
   ac_cv_sizeof_long_long=$SIZEOF_LONG_LONG
 else
   cat > conftest.$ac_ext <<EOF
-#line 2337 "configure"
+#line 2343 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -2344,7 +2350,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:2348: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2354: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_long_long=`cat conftestval`
 else
@@ -2369,7 +2375,7 @@ if test "x$cross_compiling" = 'xyes' -a -z "$SIZEOF_LONG_INT" ; then
 fi
 
 echo $ac_n "checking size of long int""... $ac_c" 1>&6
-echo "configure:2373: checking size of long int" >&5
+echo "configure:2379: checking size of long int" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_long_int'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2377,7 +2383,7 @@ else
   ac_cv_sizeof_long_int=$SIZEOF_LONG_INT
 else
   cat > conftest.$ac_ext <<EOF
-#line 2381 "configure"
+#line 2387 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -2388,7 +2394,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:2392: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2398: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_long_int=`cat conftestval`
 else
@@ -2413,7 +2419,7 @@ if test "x$cross_compiling" = 'xyes' -a -z "$SIZEOF_INT" ; then
 fi
 
 echo $ac_n "checking size of int""... $ac_c" 1>&6
-echo "configure:2417: checking size of int" >&5
+echo "configure:2423: checking size of int" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_int'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2421,7 +2427,7 @@ else
   ac_cv_sizeof_int=$SIZEOF_INT
 else
   cat > conftest.$ac_ext <<EOF
-#line 2425 "configure"
+#line 2431 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -2432,7 +2438,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:2436: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2442: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_int=`cat conftestval`
 else
@@ -2457,7 +2463,7 @@ if test "x$cross_compiling" = 'xyes' -a -z "$SIZEOF_SHORT_INT" ; then
 fi
 
 echo $ac_n "checking size of short int""... $ac_c" 1>&6
-echo "configure:2461: checking size of short int" >&5
+echo "configure:2467: checking size of short int" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_short_int'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2465,7 +2471,7 @@ else
   ac_cv_sizeof_short_int=$SIZEOF_SHORT_INT
 else
   cat > conftest.$ac_ext <<EOF
-#line 2469 "configure"
+#line 2475 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -2476,7 +2482,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:2480: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2486: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_short_int=`cat conftestval`
 else
@@ -2503,7 +2509,7 @@ if test "x$cross_compiling" = 'xyes' -a -z "$SIZEOF_LONG_DOUBLE" ; then
 fi
 
 echo $ac_n "checking size of long double""... $ac_c" 1>&6
-echo "configure:2507: checking size of long double" >&5
+echo "configure:2513: checking size of long double" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_long_double'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2511,7 +2517,7 @@ else
   ac_cv_sizeof_long_double=$SIZEOF_LONG_DOUBLE
 else
   cat > conftest.$ac_ext <<EOF
-#line 2515 "configure"
+#line 2521 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -2522,7 +2528,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:2526: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2532: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_long_double=`cat conftestval`
 else
@@ -2547,7 +2553,7 @@ if test "x$cross_compiling" = 'xyes' -a -z "$SIZEOF_DOUBLE" ; then
 fi
 
 echo $ac_n "checking size of double""... $ac_c" 1>&6
-echo "configure:2551: checking size of double" >&5
+echo "configure:2557: checking size of double" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_double'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2555,7 +2561,7 @@ else
   ac_cv_sizeof_double=$SIZEOF_DOUBLE
 else
   cat > conftest.$ac_ext <<EOF
-#line 2559 "configure"
+#line 2565 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -2566,7 +2572,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:2570: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2576: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_double=`cat conftestval`
 else
@@ -2592,7 +2598,7 @@ if test "x$cross_compiling" = 'xyes' -a -z "$SIZEOF_FLOAT" ; then
 fi
 
 echo $ac_n "checking size of float""... $ac_c" 1>&6
-echo "configure:2596: checking size of float" >&5
+echo "configure:2602: checking size of float" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_float'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2600,7 +2606,7 @@ else
   ac_cv_sizeof_float=$SIZEOF_FLOAT
 else
   cat > conftest.$ac_ext <<EOF
-#line 2604 "configure"
+#line 2610 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -2611,7 +2617,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:2615: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2621: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_float=`cat conftestval`
 else
@@ -2638,7 +2644,7 @@ if test "x$cross_compiling" = 'xyes' -a -z "$SIZEOF_POINTER" ; then
 fi
 
 echo $ac_n "checking size of char *""... $ac_c" 1>&6
-echo "configure:2642: checking size of char *" >&5
+echo "configure:2648: checking size of char *" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_char_p'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2646,7 +2652,7 @@ else
   ac_cv_sizeof_char_p=$SIZEOF_POINTER
 else
   cat > conftest.$ac_ext <<EOF
-#line 2650 "configure"
+#line 2656 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -2657,7 +2663,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:2661: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2667: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_char_p=`cat conftestval`
 else
@@ -2692,7 +2698,7 @@ EOF
 
 else
   echo $ac_n "checking for the null device""... $ac_c" 1>&6
-echo "configure:2696: checking for the null device" >&5
+echo "configure:2702: checking for the null device" >&5
 if eval "test \"`echo '$''{'cctk_cv_nulldevice'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2757,12 +2763,12 @@ ac_link='${CC-cc} -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_
 for ac_func in gethostbyname
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:2761: checking for $ac_func" >&5
+echo "configure:2767: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2766 "configure"
+#line 2772 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -2785,7 +2791,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2789: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2795: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -2807,7 +2813,7 @@ EOF
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for gethostbyname in library nsl""... $ac_c" 1>&6
-echo "configure:2811: checking for gethostbyname in library nsl" >&5
+echo "configure:2817: checking for gethostbyname in library nsl" >&5
 ac_lib_var=`echo nsl'_'gethostbyname | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2816,7 +2822,7 @@ else
 ac_save_LIBS="$LIBS"
 LIBS="nsl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2820 "configure"
+#line 2826 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -2827,7 +2833,7 @@ int main() {
 gethostbyname()
 ; return 0; }
 EOF
-if { (eval echo configure:2831: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2837: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2858,12 +2864,12 @@ done
 
 # Check if we have mode_t available
 echo $ac_n "checking whether mode_t is defined""... $ac_c" 1>&6
-echo "configure:2862: checking whether mode_t is defined" >&5
+echo "configure:2868: checking whether mode_t is defined" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_mode_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2867 "configure"
+#line 2873 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <stdlib.h>
@@ -2873,7 +2879,7 @@ int main() {
 mode_t foo; return 0
 ; return 0; }
 EOF
-if { (eval echo configure:2877: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2883: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_have_mode_t=yes"
 else
@@ -2899,12 +2905,12 @@ fi
 
 
 echo $ac_n "checking for availability of gettimeofday timing""... $ac_c" 1>&6
-echo "configure:2903: checking for availability of gettimeofday timing" >&5
+echo "configure:2909: checking for availability of gettimeofday timing" >&5
 if eval "test \"`echo '$''{'cctk_cv_time_gettimeofday'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2908 "configure"
+#line 2914 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -2912,7 +2918,7 @@ gettimeofday(0, 0);
  return 0;
 ; return 0; }
 EOF
-if { (eval echo configure:2916: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2922: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "cctk_cv_time_gettimeofday=yes"
 else
@@ -2934,12 +2940,12 @@ else
 fi
 if eval "test \"`echo '$cctk_cv_time_gettimeofday'`\" = yes"; then
 echo $ac_n "checking if gettimeofday needs timezone""... $ac_c" 1>&6
-echo "configure:2938: checking if gettimeofday needs timezone" >&5
+echo "configure:2944: checking if gettimeofday needs timezone" >&5
 if eval "test \"`echo '$''{'cctk_cv_time_gettimeofday_timezone'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2943 "configure"
+#line 2949 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <sys/time.h>
@@ -2952,7 +2958,7 @@ struct timeval tp;
  return 0;
 ; return 0; }
 EOF
-if { (eval echo configure:2956: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2962: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "cctk_cv_time_gettimeofday_timezone=yes"
 else
@@ -2975,12 +2981,12 @@ fi
 fi
 
 echo $ac_n "checking for availability of getrusage timing""... $ac_c" 1>&6
-echo "configure:2979: checking for availability of getrusage timing" >&5
+echo "configure:2985: checking for availability of getrusage timing" >&5
 if eval "test \"`echo '$''{'cctk_cv_time_getrusage'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2984 "configure"
+#line 2990 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <sys/time.h>
@@ -2993,7 +2999,7 @@ struct rusage ru;
  return 0;
 ; return 0; }
 EOF
-if { (eval echo configure:2997: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3003: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "cctk_cv_time_getrusage=yes"
 else
@@ -3015,12 +3021,12 @@ else
 fi
 
 echo $ac_n "checking for availability of _ftime timing""... $ac_c" 1>&6
-echo "configure:3019: checking for availability of _ftime timing" >&5
+echo "configure:3025: checking for availability of _ftime timing" >&5
 if eval "test \"`echo '$''{'cctk_cv_time_ftime'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3024 "configure"
+#line 3030 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <time.h>
@@ -3033,7 +3039,7 @@ int main() {
   return 0;
 ; return 0; }
 EOF
-if { (eval echo configure:3037: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3043: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "cctk_cv_time_ftime=yes"
 else
@@ -3060,12 +3066,12 @@ for cctk_hdr in time.h
 do
 cctk_safe=`echo "$cctk_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $cctk_hdr""... $ac_c" 1>&6
-echo "configure:3064: checking for $cctk_hdr" >&5
+echo "configure:3070: checking for $cctk_hdr" >&5
 if eval "test \"`echo '$''{'cctk_cv_header_$cctk_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3069 "configure"
+#line 3075 "configure"
 #include "confdefs.h"
  
 #include <$cctk_hdr>
@@ -3073,7 +3079,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:3077: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3083: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -3100,12 +3106,12 @@ for cctk_hdr in sys/time.h
 do
 cctk_safe=`echo "$cctk_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $cctk_hdr""... $ac_c" 1>&6
-echo "configure:3104: checking for $cctk_hdr" >&5
+echo "configure:3110: checking for $cctk_hdr" >&5
 if eval "test \"`echo '$''{'cctk_cv_header_$cctk_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3109 "configure"
+#line 3115 "configure"
 #include "confdefs.h"
  
 #include <$cctk_hdr>
@@ -3113,7 +3119,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:3117: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3123: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -3140,12 +3146,12 @@ for cctk_hdr in sys/types.h
 do
 cctk_safe=`echo "$cctk_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $cctk_hdr""... $ac_c" 1>&6
-echo "configure:3144: checking for $cctk_hdr" >&5
+echo "configure:3150: checking for $cctk_hdr" >&5
 if eval "test \"`echo '$''{'cctk_cv_header_$cctk_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3149 "configure"
+#line 3155 "configure"
 #include "confdefs.h"
  
 #include <$cctk_hdr>
@@ -3153,7 +3159,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:3157: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3163: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -3180,12 +3186,12 @@ for cctk_hdr in unistd.h
 do
 cctk_safe=`echo "$cctk_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $cctk_hdr""... $ac_c" 1>&6
-echo "configure:3184: checking for $cctk_hdr" >&5
+echo "configure:3190: checking for $cctk_hdr" >&5
 if eval "test \"`echo '$''{'cctk_cv_header_$cctk_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3189 "configure"
+#line 3195 "configure"
 #include "confdefs.h"
  
 #include <$cctk_hdr>
@@ -3193,7 +3199,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:3197: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3203: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -3220,12 +3226,12 @@ for cctk_hdr in string.h
 do
 cctk_safe=`echo "$cctk_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $cctk_hdr""... $ac_c" 1>&6
-echo "configure:3224: checking for $cctk_hdr" >&5
+echo "configure:3230: checking for $cctk_hdr" >&5
 if eval "test \"`echo '$''{'cctk_cv_header_$cctk_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3229 "configure"
+#line 3235 "configure"
 #include "confdefs.h"
  
 #include <$cctk_hdr>
@@ -3233,7 +3239,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:3237: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3243: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -3260,12 +3266,12 @@ for cctk_hdr in assert.h
 do
 cctk_safe=`echo "$cctk_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $cctk_hdr""... $ac_c" 1>&6
-echo "configure:3264: checking for $cctk_hdr" >&5
+echo "configure:3270: checking for $cctk_hdr" >&5
 if eval "test \"`echo '$''{'cctk_cv_header_$cctk_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3269 "configure"
+#line 3275 "configure"
 #include "confdefs.h"
  
 #include <$cctk_hdr>
@@ -3273,7 +3279,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:3277: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3283: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -3300,12 +3306,12 @@ for cctk_hdr in tgmath.h
 do
 cctk_safe=`echo "$cctk_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $cctk_hdr""... $ac_c" 1>&6
-echo "configure:3304: checking for $cctk_hdr" >&5
+echo "configure:3310: checking for $cctk_hdr" >&5
 if eval "test \"`echo '$''{'cctk_cv_header_$cctk_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3309 "configure"
+#line 3315 "configure"
 #include "confdefs.h"
  
 #include <$cctk_hdr>
@@ -3313,7 +3319,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:3317: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3323: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -3340,12 +3346,12 @@ for cctk_hdr in sys/stat.h
 do
 cctk_safe=`echo "$cctk_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $cctk_hdr""... $ac_c" 1>&6
-echo "configure:3344: checking for $cctk_hdr" >&5
+echo "configure:3350: checking for $cctk_hdr" >&5
 if eval "test \"`echo '$''{'cctk_cv_header_$cctk_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3349 "configure"
+#line 3355 "configure"
 #include "confdefs.h"
  
 #include <$cctk_hdr>
@@ -3353,7 +3359,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:3357: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3363: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -3380,12 +3386,12 @@ for cctk_hdr in getopt.h
 do
 cctk_safe=`echo "$cctk_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $cctk_hdr""... $ac_c" 1>&6
-echo "configure:3384: checking for $cctk_hdr" >&5
+echo "configure:3390: checking for $cctk_hdr" >&5
 if eval "test \"`echo '$''{'cctk_cv_header_$cctk_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3389 "configure"
+#line 3395 "configure"
 #include "confdefs.h"
  
 #include <$cctk_hdr>
@@ -3393,7 +3399,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:3397: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3403: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -3420,12 +3426,12 @@ for cctk_hdr in dirent.h
 do
 cctk_safe=`echo "$cctk_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $cctk_hdr""... $ac_c" 1>&6
-echo "configure:3424: checking for $cctk_hdr" >&5
+echo "configure:3430: checking for $cctk_hdr" >&5
 if eval "test \"`echo '$''{'cctk_cv_header_$cctk_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3429 "configure"
+#line 3435 "configure"
 #include "confdefs.h"
  
 #include <$cctk_hdr>
@@ -3433,7 +3439,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:3437: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3443: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -3460,12 +3466,12 @@ for cctk_hdr in c_asm.h
 do
 cctk_safe=`echo "$cctk_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $cctk_hdr""... $ac_c" 1>&6
-echo "configure:3464: checking for $cctk_hdr" >&5
+echo "configure:3470: checking for $cctk_hdr" >&5
 if eval "test \"`echo '$''{'cctk_cv_header_$cctk_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3469 "configure"
+#line 3475 "configure"
 #include "confdefs.h"
  
 #include <$cctk_hdr>
@@ -3473,7 +3479,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:3477: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3483: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -3500,12 +3506,12 @@ for cctk_hdr in intrinsics.h
 do
 cctk_safe=`echo "$cctk_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $cctk_hdr""... $ac_c" 1>&6
-echo "configure:3504: checking for $cctk_hdr" >&5
+echo "configure:3510: checking for $cctk_hdr" >&5
 if eval "test \"`echo '$''{'cctk_cv_header_$cctk_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3509 "configure"
+#line 3515 "configure"
 #include "confdefs.h"
  
 #include <$cctk_hdr>
@@ -3513,7 +3519,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:3517: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3523: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -3540,12 +3546,12 @@ for cctk_hdr in mach/mach_time.h
 do
 cctk_safe=`echo "$cctk_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $cctk_hdr""... $ac_c" 1>&6
-echo "configure:3544: checking for $cctk_hdr" >&5
+echo "configure:3550: checking for $cctk_hdr" >&5
 if eval "test \"`echo '$''{'cctk_cv_header_$cctk_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3549 "configure"
+#line 3555 "configure"
 #include "confdefs.h"
  
 #include <$cctk_hdr>
@@ -3553,7 +3559,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:3557: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3563: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -3577,12 +3583,12 @@ fi
 done
 
 echo $ac_n "checking for regex.h""... $ac_c" 1>&6
-echo "configure:3581: checking for regex.h" >&5
+echo "configure:3587: checking for regex.h" >&5
 if eval "test \"`echo '$''{'cctk_cv_header_regex_h'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3586 "configure"
+#line 3592 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <regex.h>
@@ -3590,7 +3596,7 @@ int main() {
 return 0;
 ; return 0; }
 EOF
-if { (eval echo configure:3594: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3600: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_regex_h=yes"
 else
@@ -3615,12 +3621,12 @@ for cctk_hdr in sys/filio.h
 do
 cctk_safe=`echo "$cctk_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $cctk_hdr""... $ac_c" 1>&6
-echo "configure:3619: checking for $cctk_hdr" >&5
+echo "configure:3625: checking for $cctk_hdr" >&5
 if eval "test \"`echo '$''{'cctk_cv_header_$cctk_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3624 "configure"
+#line 3630 "configure"
 #include "confdefs.h"
 #ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
@@ -3630,7 +3636,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:3634: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3640: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -3657,12 +3663,12 @@ for cctk_hdr in sys/ioctl.h
 do
 cctk_safe=`echo "$cctk_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $cctk_hdr""... $ac_c" 1>&6
-echo "configure:3661: checking for $cctk_hdr" >&5
+echo "configure:3667: checking for $cctk_hdr" >&5
 if eval "test \"`echo '$''{'cctk_cv_header_$cctk_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3666 "configure"
+#line 3672 "configure"
 #include "confdefs.h"
 #ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
@@ -3672,7 +3678,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:3676: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3682: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -3699,12 +3705,12 @@ for cctk_hdr in sys/socket.h
 do
 cctk_safe=`echo "$cctk_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $cctk_hdr""... $ac_c" 1>&6
-echo "configure:3703: checking for $cctk_hdr" >&5
+echo "configure:3709: checking for $cctk_hdr" >&5
 if eval "test \"`echo '$''{'cctk_cv_header_$cctk_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3708 "configure"
+#line 3714 "configure"
 #include "confdefs.h"
 #ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
@@ -3714,7 +3720,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:3718: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3724: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -3741,12 +3747,12 @@ for cctk_hdr in netinet/in.h
 do
 cctk_safe=`echo "$cctk_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $cctk_hdr""... $ac_c" 1>&6
-echo "configure:3745: checking for $cctk_hdr" >&5
+echo "configure:3751: checking for $cctk_hdr" >&5
 if eval "test \"`echo '$''{'cctk_cv_header_$cctk_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3750 "configure"
+#line 3756 "configure"
 #include "confdefs.h"
 #ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
@@ -3756,7 +3762,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:3760: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3766: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -3783,12 +3789,12 @@ for cctk_hdr in netdb.h
 do
 cctk_safe=`echo "$cctk_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $cctk_hdr""... $ac_c" 1>&6
-echo "configure:3787: checking for $cctk_hdr" >&5
+echo "configure:3793: checking for $cctk_hdr" >&5
 if eval "test \"`echo '$''{'cctk_cv_header_$cctk_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3792 "configure"
+#line 3798 "configure"
 #include "confdefs.h"
 #ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
@@ -3798,7 +3804,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:3802: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3808: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -3825,12 +3831,12 @@ for cctk_hdr in arpa/inet.h
 do
 cctk_safe=`echo "$cctk_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $cctk_hdr""... $ac_c" 1>&6
-echo "configure:3829: checking for $cctk_hdr" >&5
+echo "configure:3835: checking for $cctk_hdr" >&5
 if eval "test \"`echo '$''{'cctk_cv_header_$cctk_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3834 "configure"
+#line 3840 "configure"
 #include "confdefs.h"
 #ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
@@ -3840,7 +3846,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:3844: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3850: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -3867,12 +3873,12 @@ for cctk_hdr in winsock2.h
 do
 cctk_safe=`echo "$cctk_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $cctk_hdr""... $ac_c" 1>&6
-echo "configure:3871: checking for $cctk_hdr" >&5
+echo "configure:3877: checking for $cctk_hdr" >&5
 if eval "test \"`echo '$''{'cctk_cv_header_$cctk_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3876 "configure"
+#line 3882 "configure"
 #include "confdefs.h"
  
 #include <$cctk_hdr>
@@ -3880,7 +3886,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:3884: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3890: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -3907,12 +3913,12 @@ for cctk_hdr in crypt.h
 do
 cctk_safe=`echo "$cctk_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $cctk_hdr""... $ac_c" 1>&6
-echo "configure:3911: checking for $cctk_hdr" >&5
+echo "configure:3917: checking for $cctk_hdr" >&5
 if eval "test \"`echo '$''{'cctk_cv_header_$cctk_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3916 "configure"
+#line 3922 "configure"
 #include "confdefs.h"
 #ifdef HAVE_UNISTD_H
 #include <unistd.h>
@@ -3922,7 +3928,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:3926: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3932: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -3949,12 +3955,12 @@ for cctk_hdr in signal.h
 do
 cctk_safe=`echo "$cctk_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $cctk_hdr""... $ac_c" 1>&6
-echo "configure:3953: checking for $cctk_hdr" >&5
+echo "configure:3959: checking for $cctk_hdr" >&5
 if eval "test \"`echo '$''{'cctk_cv_header_$cctk_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3958 "configure"
+#line 3964 "configure"
 #include "confdefs.h"
  
 #include <$cctk_hdr>
@@ -3962,7 +3968,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:3966: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3972: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -3989,12 +3995,12 @@ for cctk_hdr in malloc.h
 do
 cctk_safe=`echo "$cctk_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $cctk_hdr""... $ac_c" 1>&6
-echo "configure:3993: checking for $cctk_hdr" >&5
+echo "configure:3999: checking for $cctk_hdr" >&5
 if eval "test \"`echo '$''{'cctk_cv_header_$cctk_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3998 "configure"
+#line 4004 "configure"
 #include "confdefs.h"
  
 #include <$cctk_hdr>
@@ -4002,7 +4008,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:4006: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4012: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -4029,12 +4035,12 @@ for cctk_hdr in sched.h
 do
 cctk_safe=`echo "$cctk_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $cctk_hdr""... $ac_c" 1>&6
-echo "configure:4033: checking for $cctk_hdr" >&5
+echo "configure:4039: checking for $cctk_hdr" >&5
 if eval "test \"`echo '$''{'cctk_cv_header_$cctk_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4038 "configure"
+#line 4044 "configure"
 #include "confdefs.h"
  
 #include <$cctk_hdr>
@@ -4042,7 +4048,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:4046: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4052: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -4069,12 +4075,12 @@ for cctk_hdr in execinfo.h
 do
 cctk_safe=`echo "$cctk_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $cctk_hdr""... $ac_c" 1>&6
-echo "configure:4073: checking for $cctk_hdr" >&5
+echo "configure:4079: checking for $cctk_hdr" >&5
 if eval "test \"`echo '$''{'cctk_cv_header_$cctk_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4078 "configure"
+#line 4084 "configure"
 #include "confdefs.h"
  
 #include <$cctk_hdr>
@@ -4082,7 +4088,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:4086: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4092: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -4107,12 +4113,12 @@ done
 
 
 echo $ac_n "checking whether time.h and sys/time.h may both be included""... $ac_c" 1>&6
-echo "configure:4111: checking whether time.h and sys/time.h may both be included" >&5
+echo "configure:4117: checking whether time.h and sys/time.h may both be included" >&5
 if eval "test \"`echo '$''{'ac_cv_header_time'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4116 "configure"
+#line 4122 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/time.h>
@@ -4121,7 +4127,7 @@ int main() {
 struct tm *tp;
 ; return 0; }
 EOF
-if { (eval echo configure:4125: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4131: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_header_time=yes
 else
@@ -4146,12 +4152,12 @@ fi
 
 # Check if we have socklen_t available
 echo $ac_n "checking whether socklen_t is defined""... $ac_c" 1>&6
-echo "configure:4150: checking whether socklen_t is defined" >&5
+echo "configure:4156: checking whether socklen_t is defined" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_socklen_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4155 "configure"
+#line 4161 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <stdlib.h>
@@ -4171,7 +4177,7 @@ int main() {
 socklen_t foo; return 0
 ; return 0; }
 EOF
-if { (eval echo configure:4175: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4181: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_have_socklen_t=yes"
 else
@@ -4196,12 +4202,12 @@ fi
 
 # Check if someone has defined SOCKET
 echo $ac_n "checking whether SOCKET is defined""... $ac_c" 1>&6
-echo "configure:4200: checking whether SOCKET is defined" >&5
+echo "configure:4206: checking whether SOCKET is defined" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_SOCKET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4205 "configure"
+#line 4211 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <stdlib.h>
@@ -4221,7 +4227,7 @@ int main() {
 SOCKET foo; return 0
 ; return 0; }
 EOF
-if { (eval echo configure:4225: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4231: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_have_SOCKET=yes"
 else
@@ -4247,12 +4253,12 @@ fi
 # Check for timing functions
 
 echo $ac_n "checking for hrtime_t""... $ac_c" 1>&6
-echo "configure:4251: checking for hrtime_t" >&5
+echo "configure:4257: checking for hrtime_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_hrtime_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4256 "configure"
+#line 4262 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -4283,12 +4289,12 @@ fi
 for ac_func in gethrtime read_real_time time_base_to_time clock_gettime mach_absolute_time
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4287: checking for $ac_func" >&5
+echo "configure:4293: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4292 "configure"
+#line 4298 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4311,7 +4317,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4315: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4321: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -4337,10 +4343,10 @@ done
 
 
 echo $ac_n "checking for _rtc intrinsic""... $ac_c" 1>&6
-echo "configure:4341: checking for _rtc intrinsic" >&5
+echo "configure:4347: checking for _rtc intrinsic" >&5
 rtc_ok=yes
 cat > conftest.$ac_ext <<EOF
-#line 4344 "configure"
+#line 4350 "configure"
 #include "confdefs.h"
 #ifdef HAVE_INTRINSICS_H
 #include <intrinsics.h>
@@ -4349,7 +4355,7 @@ int main() {
 _rtc()
 ; return 0; }
 EOF
-if { (eval echo configure:4353: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4359: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define HAVE__RTC 1
@@ -4370,12 +4376,12 @@ ac_link='${CC-cc} -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_
 for ac_func in mallinfo
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4374: checking for $ac_func" >&5
+echo "configure:4380: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4379 "configure"
+#line 4385 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4398,7 +4404,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4402: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4408: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -4427,12 +4433,12 @@ ac_link='${CC-cc} -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_
 for ac_func in mallopt
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4431: checking for $ac_func" >&5
+echo "configure:4437: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4436 "configure"
+#line 4442 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4455,7 +4461,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4459: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4465: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -4483,12 +4489,12 @@ done
 
 # Check if M_MMAP_THRESHOLD is defined
 echo $ac_n "checking whether M_MMAP_THRESHOLD is defined""... $ac_c" 1>&6
-echo "configure:4487: checking whether M_MMAP_THRESHOLD is defined" >&5
+echo "configure:4493: checking whether M_MMAP_THRESHOLD is defined" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_M_MMAP_THRESHOLD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4492 "configure"
+#line 4498 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #ifdef HAVE_MALLOC_H
@@ -4498,7 +4504,7 @@ int main() {
 int x=M_MMAP_THRESHOLD; return 0
 ; return 0; }
 EOF
-if { (eval echo configure:4502: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4508: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_have_M_MMAP_THRESHOLD=yes"
 else
@@ -4525,12 +4531,12 @@ ac_link='${CC-cc} -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_
 for ac_func in sched_getaffinity
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4529: checking for $ac_func" >&5
+echo "configure:4535: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4534 "configure"
+#line 4540 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4553,7 +4559,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4557: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4563: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -4582,12 +4588,12 @@ ac_link='${CC-cc} -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_
 for ac_func in getpid
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4586: checking for $ac_func" >&5
+echo "configure:4592: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4591 "configure"
+#line 4597 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4610,7 +4616,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4614: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4620: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -4639,19 +4645,19 @@ done
 
 # Check if we have __int64
 echo $ac_n "checking if __int64 is defined""... $ac_c" 1>&6
-echo "configure:4643: checking if __int64 is defined" >&5
+echo "configure:4649: checking if __int64 is defined" >&5
 if eval "test \"`echo '$''{'cctk_cv_have___int64'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4648 "configure"
+#line 4654 "configure"
 #include "confdefs.h"
 
 int main() {
 __int64 foo; return 0
 ; return 0; }
 EOF
-if { (eval echo configure:4655: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4661: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_have___int64=yes"
 else
@@ -4686,12 +4692,12 @@ cross_compiling=$ac_cv_prog_cxx_cross
 do
 cctk_safe=`echo "$cctk_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $cctk_hdr""... $ac_c" 1>&6
-echo "configure:4690: checking for $cctk_hdr" >&5
+echo "configure:4696: checking for $cctk_hdr" >&5
 if eval "test \"`echo '$''{'cctk_cv_header_$cctk_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4695 "configure"
+#line 4701 "configure"
 #include "confdefs.h"
  
 #include <$cctk_hdr>
@@ -4699,7 +4705,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:4703: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4709: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -4738,12 +4744,12 @@ ac_link='${CC-cc} -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_
 for ac_func in getopt_long_only
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4742: checking for $ac_func" >&5
+echo "configure:4748: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4747 "configure"
+#line 4753 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4766,7 +4772,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4770: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4776: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -4809,20 +4815,20 @@ else
 fi
 
 echo $ac_n "checking for C bool""... $ac_c" 1>&6
-echo "configure:4813: checking for C bool" >&5
+echo "configure:4819: checking for C bool" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_c_bool'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cctk_cv_have_c_bool=no
 cat > conftest.$ac_ext <<EOF
-#line 4819 "configure"
+#line 4825 "configure"
 #include "confdefs.h"
 
 int main() {
 bool foo;
 ; return 0; }
 EOF
-if { (eval echo configure:4826: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4832: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_have_c_bool=yes
 else
@@ -4844,7 +4850,7 @@ EOF
 fi
 
 echo $ac_n "checking for CXX bool""... $ac_c" 1>&6
-echo "configure:4848: checking for CXX bool" >&5
+echo "configure:4854: checking for CXX bool" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_cxx_bool'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4858,14 +4864,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
 cat > conftest.$ac_ext <<EOF
-#line 4862 "configure"
+#line 4868 "configure"
 #include "confdefs.h"
 
 int main() {
 bool foo;
 ; return 0; }
 EOF
-if { (eval echo configure:4869: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4875: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_have_cxx_bool=yes
 else
@@ -4895,12 +4901,12 @@ fi
 
 
 echo $ac_n "checking for working const""... $ac_c" 1>&6
-echo "configure:4899: checking for working const" >&5
+echo "configure:4905: checking for working const" >&5
 if eval "test \"`echo '$''{'ac_cv_c_const'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4904 "configure"
+#line 4910 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -4949,7 +4955,7 @@ ccp = (char const *const *) p;
 
 ; return 0; }
 EOF
-if { (eval echo configure:4953: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4959: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_const=yes
 else
@@ -4971,14 +4977,14 @@ fi
 
 #AC_C_INLINE
 echo $ac_n "checking for C inline""... $ac_c" 1>&6
-echo "configure:4975: checking for C inline" >&5
+echo "configure:4981: checking for C inline" >&5
 if eval "test \"`echo '$''{'cctk_cv_c_inline'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cctk_cv_c_inline=no
 for ac_kw in inline __inline__ __inline '__inline__ __attribute__((__gnu_inline__))'; do
   cat > conftest.$ac_ext <<EOF
-#line 4982 "configure"
+#line 4988 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -4986,14 +4992,14 @@ foo();
 ; return 0; }
 EOF
 cat > conftest2.$ac_ext <<EOF
-#line 4990 "configure"
+#line 4996 "configure"
 #include "confdefs.h"
 
 int main2() {
 ;} $ac_kw foo() {
 ; return 0; }
 EOF
-if { (eval echo configure:4997: \"$ac_link conftest2.$ac_ext\") 1>&5; (eval $ac_link conftest2.$ac_ext) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5003: \"$ac_link conftest2.$ac_ext\") 1>&5; (eval $ac_link conftest2.$ac_ext) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   cctk_cv_c_inline=$ac_kw; break
 else
@@ -5027,14 +5033,14 @@ EOF
 esac
 
 echo $ac_n "checking for C static inline""... $ac_c" 1>&6
-echo "configure:5031: checking for C static inline" >&5
+echo "configure:5037: checking for C static inline" >&5
 if eval "test \"`echo '$''{'cctk_cv_c_static_inline'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cctk_cv_c_static_inline=no
 for ac_kw in 'static inline' 'static __inline__' 'static __inline' 'static __inline__ __attribute__((__gnu_inline__))'; do
   cat > conftest.$ac_ext <<EOF
-#line 5038 "configure"
+#line 5044 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -5042,14 +5048,14 @@ int main() {
 ; return 0; }
 EOF
 cat > conftest2.$ac_ext <<EOF
-#line 5046 "configure"
+#line 5052 "configure"
 #include "confdefs.h"
 
 int main2() {
 ;} $ac_kw ifoo(){} foo2(){ifoo();
 ; return 0; }
 EOF
-if { (eval echo configure:5053: \"$ac_link conftest2.$ac_ext\") 1>&5; (eval $ac_link conftest2.$ac_ext) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5059: \"$ac_link conftest2.$ac_ext\") 1>&5; (eval $ac_link conftest2.$ac_ext) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   cctk_cv_c_static_inline=$ac_kw; break
 else
@@ -5075,14 +5081,14 @@ esac
 
 
 echo $ac_n "checking for C restrict""... $ac_c" 1>&6
-echo "configure:5079: checking for C restrict" >&5
+echo "configure:5085: checking for C restrict" >&5
 if eval "test \"`echo '$''{'cctk_cv_c_restrict'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cctk_cv_c_restrict=no
 for ac_kw in restrict __restrict__ __restrict; do
   cat > conftest.$ac_ext <<EOF
-#line 5086 "configure"
+#line 5092 "configure"
 #include "confdefs.h"
 
 double * $ac_kw p1;
@@ -5107,7 +5113,7 @@ double * $ac_kw v2[3];
 
 ; return 0; }
 EOF
-if { (eval echo configure:5111: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5117: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_c_restrict=$ac_kw; break
 else
@@ -5137,7 +5143,7 @@ EOF
 esac
 
 echo $ac_n "checking for C++ restrict""... $ac_c" 1>&6
-echo "configure:5141: checking for C++ restrict" >&5
+echo "configure:5147: checking for C++ restrict" >&5
 if eval "test \"`echo '$''{'cctk_cv_cxx_restrict'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5152,7 +5158,7 @@ cross_compiling=$ac_cv_prog_cxx_cross
 
 for ac_kw in restrict __restrict__ __restrict; do
   cat > conftest.$ac_ext <<EOF
-#line 5156 "configure"
+#line 5162 "configure"
 #include "confdefs.h"
 
 double * $ac_kw p1;
@@ -5177,7 +5183,7 @@ double * $ac_kw v2[3];
 
 ; return 0; }
 EOF
-if { (eval echo configure:5181: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5187: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_cxx_restrict=$ac_kw; break
 else
@@ -5218,7 +5224,7 @@ cctk_func=`echo copysign | sed 'y%./+-%__p_%'`
  cctk_tr_func=`echo $cctk_func |
    sed -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
 echo $ac_n "checking for C++ copysign""... $ac_c" 1>&6
-echo "configure:5222: checking for C++ copysign" >&5
+echo "configure:5228: checking for C++ copysign" >&5
 if eval "test \"`echo '$''{'cctk_cv_cxx_$cctk_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5238,7 +5244,7 @@ for ac_nargs in 1 2; do
     2) ac_args='(1.0, 1.0)'; ac_argsf='(1.0f, 1.0f)' ;;
   esac
   cat > conftest.$ac_ext <<EOF
-#line 5242 "configure"
+#line 5248 "configure"
 #include "confdefs.h"
 
 /* See note in cctk_Math.h regarding these include statements */
@@ -5259,7 +5265,7 @@ using namespace std;
 
 ; return 0; }
 EOF
-if { (eval echo configure:5263: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5269: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_cxx_func="$ac_func"; break 2
 else
@@ -5297,7 +5303,7 @@ cctk_func=`echo fpclassify | sed 'y%./+-%__p_%'`
  cctk_tr_func=`echo $cctk_func |
    sed -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
 echo $ac_n "checking for C++ fpclassify""... $ac_c" 1>&6
-echo "configure:5301: checking for C++ fpclassify" >&5
+echo "configure:5307: checking for C++ fpclassify" >&5
 if eval "test \"`echo '$''{'cctk_cv_cxx_$cctk_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5317,7 +5323,7 @@ for ac_nargs in 1 2; do
     2) ac_args='(1.0, 1.0)'; ac_argsf='(1.0f, 1.0f)' ;;
   esac
   cat > conftest.$ac_ext <<EOF
-#line 5321 "configure"
+#line 5327 "configure"
 #include "confdefs.h"
 
 /* See note in cctk_Math.h regarding these include statements */
@@ -5338,7 +5344,7 @@ using namespace std;
 
 ; return 0; }
 EOF
-if { (eval echo configure:5342: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5348: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_cxx_func="$ac_func"; break 2
 else
@@ -5376,7 +5382,7 @@ cctk_func=`echo isfinite | sed 'y%./+-%__p_%'`
  cctk_tr_func=`echo $cctk_func |
    sed -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
 echo $ac_n "checking for C++ isfinite""... $ac_c" 1>&6
-echo "configure:5380: checking for C++ isfinite" >&5
+echo "configure:5386: checking for C++ isfinite" >&5
 if eval "test \"`echo '$''{'cctk_cv_cxx_$cctk_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5396,7 +5402,7 @@ for ac_nargs in 1 2; do
     2) ac_args='(1.0, 1.0)'; ac_argsf='(1.0f, 1.0f)' ;;
   esac
   cat > conftest.$ac_ext <<EOF
-#line 5400 "configure"
+#line 5406 "configure"
 #include "confdefs.h"
 
 /* See note in cctk_Math.h regarding these include statements */
@@ -5417,7 +5423,7 @@ using namespace std;
 
 ; return 0; }
 EOF
-if { (eval echo configure:5421: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5427: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_cxx_func="$ac_func"; break 2
 else
@@ -5455,7 +5461,7 @@ cctk_func=`echo isinf | sed 'y%./+-%__p_%'`
  cctk_tr_func=`echo $cctk_func |
    sed -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
 echo $ac_n "checking for C++ isinf""... $ac_c" 1>&6
-echo "configure:5459: checking for C++ isinf" >&5
+echo "configure:5465: checking for C++ isinf" >&5
 if eval "test \"`echo '$''{'cctk_cv_cxx_$cctk_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5475,7 +5481,7 @@ for ac_nargs in 1 2; do
     2) ac_args='(1.0, 1.0)'; ac_argsf='(1.0f, 1.0f)' ;;
   esac
   cat > conftest.$ac_ext <<EOF
-#line 5479 "configure"
+#line 5485 "configure"
 #include "confdefs.h"
 
 /* See note in cctk_Math.h regarding these include statements */
@@ -5496,7 +5502,7 @@ using namespace std;
 
 ; return 0; }
 EOF
-if { (eval echo configure:5500: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5506: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_cxx_func="$ac_func"; break 2
 else
@@ -5534,7 +5540,7 @@ cctk_func=`echo isnan | sed 'y%./+-%__p_%'`
  cctk_tr_func=`echo $cctk_func |
    sed -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
 echo $ac_n "checking for C++ isnan""... $ac_c" 1>&6
-echo "configure:5538: checking for C++ isnan" >&5
+echo "configure:5544: checking for C++ isnan" >&5
 if eval "test \"`echo '$''{'cctk_cv_cxx_$cctk_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5554,7 +5560,7 @@ for ac_nargs in 1 2; do
     2) ac_args='(1.0, 1.0)'; ac_argsf='(1.0f, 1.0f)' ;;
   esac
   cat > conftest.$ac_ext <<EOF
-#line 5558 "configure"
+#line 5564 "configure"
 #include "confdefs.h"
 
 /* See note in cctk_Math.h regarding these include statements */
@@ -5575,7 +5581,7 @@ using namespace std;
 
 ; return 0; }
 EOF
-if { (eval echo configure:5579: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5585: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_cxx_func="$ac_func"; break 2
 else
@@ -5613,7 +5619,7 @@ cctk_func=`echo isnormal | sed 'y%./+-%__p_%'`
  cctk_tr_func=`echo $cctk_func |
    sed -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
 echo $ac_n "checking for C++ isnormal""... $ac_c" 1>&6
-echo "configure:5617: checking for C++ isnormal" >&5
+echo "configure:5623: checking for C++ isnormal" >&5
 if eval "test \"`echo '$''{'cctk_cv_cxx_$cctk_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5633,7 +5639,7 @@ for ac_nargs in 1 2; do
     2) ac_args='(1.0, 1.0)'; ac_argsf='(1.0f, 1.0f)' ;;
   esac
   cat > conftest.$ac_ext <<EOF
-#line 5637 "configure"
+#line 5643 "configure"
 #include "confdefs.h"
 
 /* See note in cctk_Math.h regarding these include statements */
@@ -5654,7 +5660,7 @@ using namespace std;
 
 ; return 0; }
 EOF
-if { (eval echo configure:5658: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5664: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_cxx_func="$ac_func"; break 2
 else
@@ -5692,7 +5698,7 @@ cctk_func=`echo signbit | sed 'y%./+-%__p_%'`
  cctk_tr_func=`echo $cctk_func |
    sed -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
 echo $ac_n "checking for C++ signbit""... $ac_c" 1>&6
-echo "configure:5696: checking for C++ signbit" >&5
+echo "configure:5702: checking for C++ signbit" >&5
 if eval "test \"`echo '$''{'cctk_cv_cxx_$cctk_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5712,7 +5718,7 @@ for ac_nargs in 1 2; do
     2) ac_args='(1.0, 1.0)'; ac_argsf='(1.0f, 1.0f)' ;;
   esac
   cat > conftest.$ac_ext <<EOF
-#line 5716 "configure"
+#line 5722 "configure"
 #include "confdefs.h"
 
 /* See note in cctk_Math.h regarding these include statements */
@@ -5733,7 +5739,7 @@ using namespace std;
 
 ; return 0; }
 EOF
-if { (eval echo configure:5737: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5743: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_cxx_func="$ac_func"; break 2
 else
@@ -5769,13 +5775,13 @@ esac
 
 
 echo $ac_n "checking for C _Pragma""... $ac_c" 1>&6
-echo "configure:5773: checking for C _Pragma" >&5
+echo "configure:5779: checking for C _Pragma" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_c__Pragma'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cctk_cv_have_c__Pragma=no
 cat > conftest.$ac_ext <<EOF
-#line 5779 "configure"
+#line 5785 "configure"
 #include "confdefs.h"
 
 #define LOOP(i) _Pragma("omp for") for (int i=0; i<10; ++i)
@@ -5790,7 +5796,7 @@ int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:5794: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5800: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_have_c__Pragma=yes
 else
@@ -5828,20 +5834,20 @@ fi
 
 # Find out whether the compiler supports __attribute__((noinline))
 echo $ac_n "checking for C function __attribute__((__noinline__))""... $ac_c" 1>&6
-echo "configure:5832: checking for C function __attribute__((__noinline__))" >&5
+echo "configure:5838: checking for C function __attribute__((__noinline__))" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_c_attribute_noinline'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cctk_cv_have_c_attribute_noinline=no
 cat > conftest.$ac_ext <<EOF
-#line 5838 "configure"
+#line 5844 "configure"
 #include "confdefs.h"
 
 int main() {
 double foo (double) __attribute__((__noinline__));
 ; return 0; }
 EOF
-if { (eval echo configure:5845: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5851: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_have_c_attribute_noinline=yes
 else
@@ -5863,7 +5869,7 @@ EOF
 fi
 
 echo $ac_n "checking for CXX function __attribute__((__noinline__))""... $ac_c" 1>&6
-echo "configure:5867: checking for CXX function __attribute__((__noinline__))" >&5
+echo "configure:5873: checking for CXX function __attribute__((__noinline__))" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_cxx_attribute_noinline'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5877,14 +5883,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
 cat > conftest.$ac_ext <<EOF
-#line 5881 "configure"
+#line 5887 "configure"
 #include "confdefs.h"
 
 int main() {
 double foo (double) __attribute__((__noinline__));
 ; return 0; }
 EOF
-if { (eval echo configure:5888: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5894: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_have_cxx_attribute_noinline=yes
 else
@@ -5913,7 +5919,7 @@ EOF
 fi
 
 echo $ac_n "checking for CXX member function __attribute__((__noinline__))""... $ac_c" 1>&6
-echo "configure:5917: checking for CXX member function __attribute__((__noinline__))" >&5
+echo "configure:5923: checking for CXX member function __attribute__((__noinline__))" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_cxx_member_attribute_noinline'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5927,14 +5933,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
 cat > conftest.$ac_ext <<EOF
-#line 5931 "configure"
+#line 5937 "configure"
 #include "confdefs.h"
 
 int main() {
 struct bar { double foo (double) __attribute__((__noinline__)); };
 ; return 0; }
 EOF
-if { (eval echo configure:5938: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5944: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_have_cxx_member_attribute_noinline=yes
 else
@@ -5965,20 +5971,20 @@ fi
 
 # Find out whether the compiler supports __attribute__((always_inline))
 echo $ac_n "checking for C function __attribute__((__always_inline__))""... $ac_c" 1>&6
-echo "configure:5969: checking for C function __attribute__((__always_inline__))" >&5
+echo "configure:5975: checking for C function __attribute__((__always_inline__))" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_c_attribute_always_inline'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cctk_cv_have_c_attribute_always_inline=no
 cat > conftest.$ac_ext <<EOF
-#line 5975 "configure"
+#line 5981 "configure"
 #include "confdefs.h"
 
 int main() {
 double foo (double) __attribute__((__always_inline__));
 ; return 0; }
 EOF
-if { (eval echo configure:5982: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5988: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_have_c_attribute_always_inline=yes
 else
@@ -6000,7 +6006,7 @@ EOF
 fi
 
 echo $ac_n "checking for CXX function __attribute__((__always_inline__))""... $ac_c" 1>&6
-echo "configure:6004: checking for CXX function __attribute__((__always_inline__))" >&5
+echo "configure:6010: checking for CXX function __attribute__((__always_inline__))" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_cxx_attribute_always_inline'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6014,14 +6020,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
 cat > conftest.$ac_ext <<EOF
-#line 6018 "configure"
+#line 6024 "configure"
 #include "confdefs.h"
 
 int main() {
 double foo (double) __attribute__((__always_inline__));
 ; return 0; }
 EOF
-if { (eval echo configure:6025: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6031: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_have_cxx_attribute_always_inline=yes
 else
@@ -6050,7 +6056,7 @@ EOF
 fi
 
 echo $ac_n "checking for CXX member function __attribute__((__always_inline__))""... $ac_c" 1>&6
-echo "configure:6054: checking for CXX member function __attribute__((__always_inline__))" >&5
+echo "configure:6060: checking for CXX member function __attribute__((__always_inline__))" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_cxx_member_attribute_always_inline'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6064,14 +6070,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
 cat > conftest.$ac_ext <<EOF
-#line 6068 "configure"
+#line 6074 "configure"
 #include "confdefs.h"
 
 int main() {
 struct bar { double foo (double) __attribute__((__always_inline__)); };
 ; return 0; }
 EOF
-if { (eval echo configure:6075: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6081: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_have_cxx_member_attribute_always_inline=yes
 else
@@ -6102,20 +6108,20 @@ fi
 
 # Find out whether the compiler supports __attribute__((unused))
 echo $ac_n "checking for C __attribute__((__unused__))""... $ac_c" 1>&6
-echo "configure:6106: checking for C __attribute__((__unused__))" >&5
+echo "configure:6112: checking for C __attribute__((__unused__))" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_c_attribute_unused'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cctk_cv_have_c_attribute_unused=no
 cat > conftest.$ac_ext <<EOF
-#line 6112 "configure"
+#line 6118 "configure"
 #include "confdefs.h"
 
 int main() {
 double * foo __attribute__((__unused__));
 ; return 0; }
 EOF
-if { (eval echo configure:6119: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6125: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_have_c_attribute_unused=yes
 else
@@ -6137,7 +6143,7 @@ EOF
 fi
 
 echo $ac_n "checking for CXX __attribute__((__unused__))""... $ac_c" 1>&6
-echo "configure:6141: checking for CXX __attribute__((__unused__))" >&5
+echo "configure:6147: checking for CXX __attribute__((__unused__))" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_cxx_attribute_unused'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6151,14 +6157,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
 cat > conftest.$ac_ext <<EOF
-#line 6155 "configure"
+#line 6161 "configure"
 #include "confdefs.h"
 
 int main() {
 double * foo __attribute__((__unused__));
 ; return 0; }
 EOF
-if { (eval echo configure:6162: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6168: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_have_cxx_attribute_unused=yes
 else
@@ -6189,20 +6195,20 @@ fi
 
 # Find out whether the compiler supports __attribute__((aligned(...)))
 echo $ac_n "checking for C __attribute__((__aligned__(...)))""... $ac_c" 1>&6
-echo "configure:6193: checking for C __attribute__((__aligned__(...)))" >&5
+echo "configure:6199: checking for C __attribute__((__aligned__(...)))" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_c_attribute_aligned'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cctk_cv_have_c_attribute_aligned=no
 cat > conftest.$ac_ext <<EOF
-#line 6199 "configure"
+#line 6205 "configure"
 #include "confdefs.h"
 
 int main() {
 double * foo __attribute__((__aligned__(16)));
 ; return 0; }
 EOF
-if { (eval echo configure:6206: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6212: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_have_c_attribute_aligned=yes
 else
@@ -6224,7 +6230,7 @@ EOF
 fi
 
 echo $ac_n "checking for CXX __attribute__((__aligned__(...)))""... $ac_c" 1>&6
-echo "configure:6228: checking for CXX __attribute__((__aligned__(...)))" >&5
+echo "configure:6234: checking for CXX __attribute__((__aligned__(...)))" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_cxx_attribute_aligned'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6238,14 +6244,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
 cat > conftest.$ac_ext <<EOF
-#line 6242 "configure"
+#line 6248 "configure"
 #include "confdefs.h"
 
 int main() {
 double * foo __attribute__((__aligned__(16)));
 ; return 0; }
 EOF
-if { (eval echo configure:6249: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6255: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_have_cxx_attribute_aligned=yes
 else
@@ -6276,20 +6282,20 @@ fi
 
 # Find out whether the compiler supports __attribute__((cold))
 echo $ac_n "checking for C __attribute__((__cold__))""... $ac_c" 1>&6
-echo "configure:6280: checking for C __attribute__((__cold__))" >&5
+echo "configure:6286: checking for C __attribute__((__cold__))" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_c_attribute_cold'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cctk_cv_have_c_attribute_cold=no
 cat > conftest.$ac_ext <<EOF
-#line 6286 "configure"
+#line 6292 "configure"
 #include "confdefs.h"
 
 int main() {
 double * foo __attribute__((__cold__));
 ; return 0; }
 EOF
-if { (eval echo configure:6293: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6299: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_have_c_attribute_cold=yes
 else
@@ -6311,7 +6317,7 @@ EOF
 fi
 
 echo $ac_n "checking for CXX __attribute__((__cold__))""... $ac_c" 1>&6
-echo "configure:6315: checking for CXX __attribute__((__cold__))" >&5
+echo "configure:6321: checking for CXX __attribute__((__cold__))" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_cxx_attribute_cold'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6325,14 +6331,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
 cat > conftest.$ac_ext <<EOF
-#line 6329 "configure"
+#line 6335 "configure"
 #include "confdefs.h"
 
 int main() {
 double * foo __attribute__((__cold__));
 ; return 0; }
 EOF
-if { (eval echo configure:6336: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6342: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_have_cxx_attribute_cold=yes
 else
@@ -6363,20 +6369,20 @@ fi
 
 # Find out whether the compiler supports __attribute__((hot))
 echo $ac_n "checking for C __attribute__((__hot__))""... $ac_c" 1>&6
-echo "configure:6367: checking for C __attribute__((__hot__))" >&5
+echo "configure:6373: checking for C __attribute__((__hot__))" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_c_attribute_hot'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cctk_cv_have_c_attribute_hot=no
 cat > conftest.$ac_ext <<EOF
-#line 6373 "configure"
+#line 6379 "configure"
 #include "confdefs.h"
 
 int main() {
 double * foo __attribute__((__hot__));
 ; return 0; }
 EOF
-if { (eval echo configure:6380: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6386: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_have_c_attribute_hot=yes
 else
@@ -6398,7 +6404,7 @@ EOF
 fi
 
 echo $ac_n "checking for CXX __attribute__((__hot__))""... $ac_c" 1>&6
-echo "configure:6402: checking for CXX __attribute__((__hot__))" >&5
+echo "configure:6408: checking for CXX __attribute__((__hot__))" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_cxx_attribute_hot'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6412,14 +6418,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
 cat > conftest.$ac_ext <<EOF
-#line 6416 "configure"
+#line 6422 "configure"
 #include "confdefs.h"
 
 int main() {
 double * foo __attribute__((__hot__));
 ; return 0; }
 EOF
-if { (eval echo configure:6423: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6429: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_have_cxx_attribute_hot=yes
 else
@@ -6450,20 +6456,20 @@ fi
 
 # Find out whether the compiler supports __attribute__((format(...)))
 echo $ac_n "checking for C __attribute__((__format__(printf, 1, 2)))""... $ac_c" 1>&6
-echo "configure:6454: checking for C __attribute__((__format__(printf, 1, 2)))" >&5
+echo "configure:6460: checking for C __attribute__((__format__(printf, 1, 2)))" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_c_attribute_format'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cctk_cv_have_c_attribute_format=no
 cat > conftest.$ac_ext <<EOF
-#line 6460 "configure"
+#line 6466 "configure"
 #include "confdefs.h"
 void xyzzy(const char*, ...) __attribute__((__format__(printf, 1, 2)));
 int main() {
 xyzzy("%d",42);
 ; return 0; }
 EOF
-if { (eval echo configure:6467: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6473: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_have_c_attribute_format=yes
 else
@@ -6485,7 +6491,7 @@ EOF
 fi
 
 echo $ac_n "checking for CXX __attribute__((__format__(printf, 1, 2)))""... $ac_c" 1>&6
-echo "configure:6489: checking for CXX __attribute__((__format__(printf, 1, 2)))" >&5
+echo "configure:6495: checking for CXX __attribute__((__format__(printf, 1, 2)))" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_cxx_attribute_format'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6499,14 +6505,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
 cat > conftest.$ac_ext <<EOF
-#line 6503 "configure"
+#line 6509 "configure"
 #include "confdefs.h"
 void xyzzy(const char*, ...) __attribute__((__format__(printf, 1, 2)));
 int main() {
 xyzzy("%d",42);
 ; return 0; }
 EOF
-if { (eval echo configure:6510: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6516: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_have_cxx_attribute_format=yes
 else
@@ -6537,20 +6543,20 @@ fi
 
 # Find out whether the compiler supports __attribute__((noreturn))
 echo $ac_n "checking for C __attribute__((__noreturn__))""... $ac_c" 1>&6
-echo "configure:6541: checking for C __attribute__((__noreturn__))" >&5
+echo "configure:6547: checking for C __attribute__((__noreturn__))" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_c_attribute_noreturn'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cctk_cv_have_c_attribute_noreturn=no
 cat > conftest.$ac_ext <<EOF
-#line 6547 "configure"
+#line 6553 "configure"
 #include "confdefs.h"
 void xyzzy(void) __attribute__((__noreturn__));
 int main() {
 xyzzy()
 ; return 0; }
 EOF
-if { (eval echo configure:6554: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6560: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_have_c_attribute_noreturn=yes
 else
@@ -6572,7 +6578,7 @@ EOF
 fi
 
 echo $ac_n "checking for CXX __attribute__((__noreturn__))""... $ac_c" 1>&6
-echo "configure:6576: checking for CXX __attribute__((__noreturn__))" >&5
+echo "configure:6582: checking for CXX __attribute__((__noreturn__))" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_cxx_attribute_noreturn'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6586,14 +6592,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
 cat > conftest.$ac_ext <<EOF
-#line 6590 "configure"
+#line 6596 "configure"
 #include "confdefs.h"
 void xyzzy(void) __attribute__((__noreturn__));
 int main() {
 xyzzy()
 ; return 0; }
 EOF
-if { (eval echo configure:6597: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6603: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_have_cxx_attribute_noreturn=yes
 else
@@ -6624,20 +6630,20 @@ fi
 
 # Find out whether the compiler supports __builtin_expect
 echo $ac_n "checking for C __builtin_expect""... $ac_c" 1>&6
-echo "configure:6628: checking for C __builtin_expect" >&5
+echo "configure:6634: checking for C __builtin_expect" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_c_builtin_expect'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cctk_cv_have_c_builtin_expect=no
 cat > conftest.$ac_ext <<EOF
-#line 6634 "configure"
+#line 6640 "configure"
 #include "confdefs.h"
 
 int main() {
 __builtin_expect(0,0);
 ; return 0; }
 EOF
-if { (eval echo configure:6641: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6647: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   cctk_cv_have_c_builtin_expect=yes
 else
@@ -6659,7 +6665,7 @@ EOF
 fi
 
 echo $ac_n "checking for CXX __builtin_expect""... $ac_c" 1>&6
-echo "configure:6663: checking for CXX __builtin_expect" >&5
+echo "configure:6669: checking for CXX __builtin_expect" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_cxx_builtin_expect'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6673,14 +6679,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
 cat > conftest.$ac_ext <<EOF
-#line 6677 "configure"
+#line 6683 "configure"
 #include "confdefs.h"
 
 int main() {
 __builtin_expect(0,0);
 ; return 0; }
 EOF
-if { (eval echo configure:6684: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6690: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   cctk_cv_have_cxx_builtin_expect=yes
 else
@@ -6711,20 +6717,20 @@ fi
 
 # Find out whether the compiler supports __builtin_unreachable
 echo $ac_n "checking for C __builtin_unreachable""... $ac_c" 1>&6
-echo "configure:6715: checking for C __builtin_unreachable" >&5
+echo "configure:6721: checking for C __builtin_unreachable" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_c_builtin_unreachable'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cctk_cv_have_c_builtin_unreachable=no
 cat > conftest.$ac_ext <<EOF
-#line 6721 "configure"
+#line 6727 "configure"
 #include "confdefs.h"
 
 int main() {
 __builtin_unreachable();
 ; return 0; }
 EOF
-if { (eval echo configure:6728: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6734: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   cctk_cv_have_c_builtin_unreachable=yes
 else
@@ -6746,7 +6752,7 @@ EOF
 fi
 
 echo $ac_n "checking for CXX __builtin_unreachable""... $ac_c" 1>&6
-echo "configure:6750: checking for CXX __builtin_unreachable" >&5
+echo "configure:6756: checking for CXX __builtin_unreachable" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_cxx_builtin_unreachable'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6760,14 +6766,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
 cat > conftest.$ac_ext <<EOF
-#line 6764 "configure"
+#line 6770 "configure"
 #include "confdefs.h"
 
 int main() {
 __builtin_unreachable();
 ; return 0; }
 EOF
-if { (eval echo configure:6771: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6777: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   cctk_cv_have_cxx_builtin_unreachable=yes
 else
@@ -6796,9 +6802,100 @@ EOF
 fi
 
 
+# Find out whether the compiler supports __builtin_assume_aligned
+echo $ac_n "checking for C __builtin_assume_aligned""... $ac_c" 1>&6
+echo "configure:6808: checking for C __builtin_assume_aligned" >&5
+if eval "test \"`echo '$''{'cctk_cv_have_c_builtin_assume_aligned'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cctk_cv_have_c_builtin_assume_aligned=no
+cat > conftest.$ac_ext <<EOF
+#line 6814 "configure"
+#include "confdefs.h"
+
+int main() {
+__builtin_assume_aligned((void*)1000, 10);
+__builtin_assume_aligned((void*)1001, 10, 1);
+
+; return 0; }
+EOF
+if { (eval echo configure:6823: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  cctk_cv_have_c_builtin_assume_aligned=yes
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  cctk_cv_have_c_builtin_assume_aligned=no
+fi
+rm -f conftest*
+
+fi
+
+echo "$ac_t""$cctk_cv_have_c_builtin_assume_aligned" 1>&6
+if test "$cctk_cv_have_c_builtin_assume_aligned" = "yes" ; then
+   cat >> confdefs.h <<\EOF
+#define HAVE_CCTK_C_BUILTIN_ASSUME_ALIGNED 1
+EOF
+
+fi
+
+echo $ac_n "checking for CXX __builtin_assume_aligned""... $ac_c" 1>&6
+echo "configure:6845: checking for CXX __builtin_assume_aligned" >&5
+if eval "test \"`echo '$''{'cctk_cv_have_cxx_builtin_assume_aligned'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cctk_cv_have_cxx_builtin_assume_aligned=no
+
+ac_ext=C
+# CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
+ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
+cross_compiling=$ac_cv_prog_cxx_cross
+
+cat > conftest.$ac_ext <<EOF
+#line 6859 "configure"
+#include "confdefs.h"
+
+int main() {
+__builtin_assume_aligned((void*)1000, 10);
+__builtin_assume_aligned((void*)1001, 10, 1);
+
+; return 0; }
+EOF
+if { (eval echo configure:6868: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  cctk_cv_have_cxx_builtin_assume_aligned=yes
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  cctk_cv_have_cxx_builtin_assume_aligned=no
+fi
+rm -f conftest*
+ac_ext=c
+# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
+ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
+cross_compiling=$ac_cv_prog_cc_cross
+
+
+fi
+
+echo "$ac_t""$cctk_cv_have_cxx_builtin_assume_aligned" 1>&6
+if test "$cctk_cv_have_cxx_builtin_assume_aligned" = "yes" ; then
+   cat >> confdefs.h <<\EOF
+#define HAVE_CCTK_CXX_BUILTIN_ASSUME_ALIGNED 1
+EOF
+
+fi
+
+
 # Find out whether the compiler supports static_assert
 echo $ac_n "checking for CXX static_assert""... $ac_c" 1>&6
-echo "configure:6802: checking for CXX static_assert" >&5
+echo "configure:6899: checking for CXX static_assert" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_cxx_static_assert'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6812,14 +6909,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
 cat > conftest.$ac_ext <<EOF
-#line 6816 "configure"
+#line 6913 "configure"
 #include "confdefs.h"
 
 int main() {
 static_assert(1, "good");
 ; return 0; }
 EOF
-if { (eval echo configure:6823: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6920: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   cctk_cv_have_cxx_static_assert=yes
 else
@@ -6854,7 +6951,7 @@ fi
 COMPLEX32_KIND=$(( $REAL16_KIND * 2 ))
 
 echo $ac_n "checking for Fortran REAL*4""... $ac_c" 1>&6
-echo "configure:6858: checking for Fortran REAL*4" >&5
+echo "configure:6955: checking for Fortran REAL*4" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_fortran_real4'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6871,7 +6968,7 @@ cat > conftest.$ac_ext <<EOF
       REAL*4 a
       end
 EOF
-if { (eval echo configure:6875: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6972: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_have_fortran_real4=yes
 else
@@ -6900,7 +6997,7 @@ EOF
 fi
 
 echo $ac_n "checking for Fortran REAL*8""... $ac_c" 1>&6
-echo "configure:6904: checking for Fortran REAL*8" >&5
+echo "configure:7001: checking for Fortran REAL*8" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_fortran_real8'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6917,7 +7014,7 @@ cat > conftest.$ac_ext <<EOF
       REAL*8 a
       end
 EOF
-if { (eval echo configure:6921: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7018: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_have_fortran_real8=yes
 else
@@ -6946,7 +7043,7 @@ EOF
 fi
 
 echo $ac_n "checking for Fortran REAL*16""... $ac_c" 1>&6
-echo "configure:6950: checking for Fortran REAL*16" >&5
+echo "configure:7047: checking for Fortran REAL*16" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_fortran_real16'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6963,7 +7060,7 @@ cat > conftest.$ac_ext <<EOF
       REAL*$REAL16_KIND a
       end
 EOF
-if { (eval echo configure:6967: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7064: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_have_fortran_real16=yes
 else
@@ -6993,7 +7090,7 @@ fi
 
 
 echo $ac_n "checking for Fortran COMPLEX*8""... $ac_c" 1>&6
-echo "configure:6997: checking for Fortran COMPLEX*8" >&5
+echo "configure:7094: checking for Fortran COMPLEX*8" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_fortran_complex8'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7010,7 +7107,7 @@ cat > conftest.$ac_ext <<EOF
       COMPLEX*8 a
       end
 EOF
-if { (eval echo configure:7014: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7111: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_have_fortran_complex8=yes
 else
@@ -7039,7 +7136,7 @@ EOF
 fi
 
 echo $ac_n "checking for Fortran COMPLEX*16""... $ac_c" 1>&6
-echo "configure:7043: checking for Fortran COMPLEX*16" >&5
+echo "configure:7140: checking for Fortran COMPLEX*16" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_fortran_complex16'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7056,7 +7153,7 @@ cat > conftest.$ac_ext <<EOF
       COMPLEX*16 a
       end
 EOF
-if { (eval echo configure:7060: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7157: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_have_fortran_complex16=yes
 else
@@ -7085,7 +7182,7 @@ EOF
 fi
 
 echo $ac_n "checking for Fortran COMPLEX*32""... $ac_c" 1>&6
-echo "configure:7089: checking for Fortran COMPLEX*32" >&5
+echo "configure:7186: checking for Fortran COMPLEX*32" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_fortran_complex32'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7102,7 +7199,7 @@ cat > conftest.$ac_ext <<EOF
       COMPLEX*$COMPLEX32_KIND a
       end
 EOF
-if { (eval echo configure:7106: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7203: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_have_fortran_complex32=yes
 else
@@ -7149,12 +7246,12 @@ for cctk_hdr in cxxabi.h
 do
 cctk_safe=`echo "$cctk_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $cctk_hdr""... $ac_c" 1>&6
-echo "configure:7153: checking for $cctk_hdr" >&5
+echo "configure:7250: checking for $cctk_hdr" >&5
 if eval "test \"`echo '$''{'cctk_cv_header_$cctk_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7158 "configure"
+#line 7255 "configure"
 #include "confdefs.h"
  
 #include <$cctk_hdr>
@@ -7162,7 +7259,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:7166: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7263: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -7186,19 +7283,19 @@ fi
 done
 
 echo $ac_n "checking for __cxa_demangle""... $ac_c" 1>&6
-echo "configure:7190: checking for __cxa_demangle" >&5
+echo "configure:7287: checking for __cxa_demangle" >&5
 if eval "test \"`echo '$''{'cctk_cv_have___cxa_demangle'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7195 "configure"
+#line 7292 "configure"
 #include "confdefs.h"
 #include <cxxabi.h>
 int main() {
 abi::__cxa_demangle(0,0,0,0)
 ; return 0; }
 EOF
-if { (eval echo configure:7202: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7299: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_have___cxa_demangle=yes"
 else
@@ -7230,12 +7327,12 @@ cross_compiling=$ac_cv_prog_cc_cross
 
 ac_member_var=`echo Dl_info'_'dli_sname | sed 'y% %_%'`
 echo $ac_n "checking for Dl_info.dli_sname""... $ac_c" 1>&6
-echo "configure:7234: checking for Dl_info.dli_sname" >&5
+echo "configure:7331: checking for Dl_info.dli_sname" >&5
 if eval "test \"`echo '$''{'ac_cv_member_$ac_member_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7239 "configure"
+#line 7336 "configure"
 #include "confdefs.h"
 #define _GNU_SOURCE 1
    #include <dlfcn.h> 
@@ -7245,7 +7342,7 @@ if (ac_aggr.dli_sname)
 return 0;
 ; return 0; }
 EOF
-if { (eval echo configure:7249: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7346: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "ac_cv_member_$ac_member_var=yes"
 else
@@ -7257,7 +7354,7 @@ fi
 rm -f conftest*
 if eval "test \"`echo '$''{'ac_cv_member_$ac_member_var'}'`\" = no"; then
 cat > conftest.$ac_ext <<EOF
-#line 7261 "configure"
+#line 7358 "configure"
 #include "confdefs.h"
 #define _GNU_SOURCE 1
    #include <dlfcn.h> 
@@ -7267,7 +7364,7 @@ if (sizeof ac_aggr.dli_sname)
 return 0;
 ; return 0; }
 EOF
-if { (eval echo configure:7271: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7368: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "ac_cv_member_$ac_member_var=yes"
 else
@@ -7285,12 +7382,12 @@ if eval "test \"`echo '$ac_cv_member_'$ac_member_var`\" = yes"; then
 for ac_func in dladdr
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:7289: checking for $ac_func" >&5
+echo "configure:7386: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7294 "configure"
+#line 7391 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -7313,7 +7410,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7317: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7414: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -7335,7 +7432,7 @@ EOF
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for dladdr in library dl""... $ac_c" 1>&6
-echo "configure:7339: checking for dladdr in library dl" >&5
+echo "configure:7436: checking for dladdr in library dl" >&5
 ac_lib_var=`echo dl'_'dladdr | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -7344,7 +7441,7 @@ else
 ac_save_LIBS="$LIBS"
 LIBS="dl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 7348 "configure"
+#line 7445 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -7355,7 +7452,7 @@ int main() {
 dladdr()
 ; return 0; }
 EOF
-if { (eval echo configure:7359: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7456: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -7403,12 +7500,12 @@ ac_link='${CC-cc} -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_
 for ac_func in backtrace
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:7407: checking for $ac_func" >&5
+echo "configure:7504: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7412 "configure"
+#line 7509 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -7431,7 +7528,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7435: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7532: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -7461,12 +7558,12 @@ ac_link='${CC-cc} -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_
 for ac_func in backtrace_symbols
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:7465: checking for $ac_func" >&5
+echo "configure:7562: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7470 "configure"
+#line 7567 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -7489,7 +7586,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7493: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7590: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -7519,12 +7616,12 @@ ac_link='${CC-cc} -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_
 for ac_func in crypt
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:7523: checking for $ac_func" >&5
+echo "configure:7620: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7528 "configure"
+#line 7625 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -7547,7 +7644,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7551: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7648: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -7569,7 +7666,7 @@ EOF
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for crypt in library crypt""... $ac_c" 1>&6
-echo "configure:7573: checking for crypt in library crypt" >&5
+echo "configure:7670: checking for crypt in library crypt" >&5
 ac_lib_var=`echo crypt'_'crypt | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -7578,7 +7675,7 @@ else
 ac_save_LIBS="$LIBS"
 LIBS="crypt  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 7582 "configure"
+#line 7679 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -7589,7 +7686,7 @@ int main() {
 crypt()
 ; return 0; }
 EOF
-if { (eval echo configure:7593: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7690: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -7629,7 +7726,7 @@ done
 
 
 echo $ac_n "checking for finite in header math.h and library m""... $ac_c" 1>&6
-echo "configure:7633: checking for finite in header math.h and library m" >&5
+echo "configure:7730: checking for finite in header math.h and library m" >&5
 ac_lib_var=`echo math.h'_'m'_'finite | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -7638,7 +7735,7 @@ else
 ac_save_LIBS="$LIBS"
 LIBS="m  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 7642 "configure"
+#line 7739 "configure"
 #include "confdefs.h"
 #include <math.h>
 
@@ -7646,7 +7743,7 @@ int main() {
 finite (1.0)
 ; return 0; }
 EOF
-if { (eval echo configure:7650: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7747: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -7687,7 +7784,7 @@ fi
 
 
 echo $ac_n "checking for copysign in header math.h and library m""... $ac_c" 1>&6
-echo "configure:7691: checking for copysign in header math.h and library m" >&5
+echo "configure:7788: checking for copysign in header math.h and library m" >&5
 ac_lib_var=`echo math.h'_'m'_'copysign | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -7696,7 +7793,7 @@ else
 ac_save_LIBS="$LIBS"
 LIBS="m  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 7700 "configure"
+#line 7797 "configure"
 #include "confdefs.h"
 #include <math.h>
 
@@ -7704,7 +7801,7 @@ int main() {
 copysign (1.0, 1.0)
 ; return 0; }
 EOF
-if { (eval echo configure:7708: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7805: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -7745,7 +7842,7 @@ fi
 
 
 echo $ac_n "checking for fpclassify in header math.h and library m""... $ac_c" 1>&6
-echo "configure:7749: checking for fpclassify in header math.h and library m" >&5
+echo "configure:7846: checking for fpclassify in header math.h and library m" >&5
 ac_lib_var=`echo math.h'_'m'_'fpclassify | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -7754,7 +7851,7 @@ else
 ac_save_LIBS="$LIBS"
 LIBS="m  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 7758 "configure"
+#line 7855 "configure"
 #include "confdefs.h"
 #include <math.h>
 
@@ -7762,7 +7859,7 @@ int main() {
 fpclassify (1.0)
 ; return 0; }
 EOF
-if { (eval echo configure:7766: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7863: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -7803,7 +7900,7 @@ fi
 
 
 echo $ac_n "checking for isfinite in header math.h and library m""... $ac_c" 1>&6
-echo "configure:7807: checking for isfinite in header math.h and library m" >&5
+echo "configure:7904: checking for isfinite in header math.h and library m" >&5
 ac_lib_var=`echo math.h'_'m'_'isfinite | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -7812,7 +7909,7 @@ else
 ac_save_LIBS="$LIBS"
 LIBS="m  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 7816 "configure"
+#line 7913 "configure"
 #include "confdefs.h"
 #include <math.h>
 
@@ -7820,7 +7917,7 @@ int main() {
 isfinite (1.0)
 ; return 0; }
 EOF
-if { (eval echo configure:7824: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7921: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -7861,7 +7958,7 @@ fi
 
 
 echo $ac_n "checking for isinf in header math.h and library m""... $ac_c" 1>&6
-echo "configure:7865: checking for isinf in header math.h and library m" >&5
+echo "configure:7962: checking for isinf in header math.h and library m" >&5
 ac_lib_var=`echo math.h'_'m'_'isinf | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -7870,7 +7967,7 @@ else
 ac_save_LIBS="$LIBS"
 LIBS="m  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 7874 "configure"
+#line 7971 "configure"
 #include "confdefs.h"
 #include <math.h>
 
@@ -7878,7 +7975,7 @@ int main() {
 isinf (1.0)
 ; return 0; }
 EOF
-if { (eval echo configure:7882: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7979: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -7919,7 +8016,7 @@ fi
 
 
 echo $ac_n "checking for isnan in header math.h and library m""... $ac_c" 1>&6
-echo "configure:7923: checking for isnan in header math.h and library m" >&5
+echo "configure:8020: checking for isnan in header math.h and library m" >&5
 ac_lib_var=`echo math.h'_'m'_'isnan | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -7928,7 +8025,7 @@ else
 ac_save_LIBS="$LIBS"
 LIBS="m  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 7932 "configure"
+#line 8029 "configure"
 #include "confdefs.h"
 #include <math.h>
 
@@ -7936,7 +8033,7 @@ int main() {
 isnan (1.0)
 ; return 0; }
 EOF
-if { (eval echo configure:7940: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8037: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -7977,7 +8074,7 @@ fi
 
 
 echo $ac_n "checking for isnormal in header math.h and library m""... $ac_c" 1>&6
-echo "configure:7981: checking for isnormal in header math.h and library m" >&5
+echo "configure:8078: checking for isnormal in header math.h and library m" >&5
 ac_lib_var=`echo math.h'_'m'_'isnormal | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -7986,7 +8083,7 @@ else
 ac_save_LIBS="$LIBS"
 LIBS="m  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 7990 "configure"
+#line 8087 "configure"
 #include "confdefs.h"
 #include <math.h>
 
@@ -7994,7 +8091,7 @@ int main() {
 isnormal (1.0)
 ; return 0; }
 EOF
-if { (eval echo configure:7998: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8095: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -8035,7 +8132,7 @@ fi
 
 
 echo $ac_n "checking for signbit in header math.h and library m""... $ac_c" 1>&6
-echo "configure:8039: checking for signbit in header math.h and library m" >&5
+echo "configure:8136: checking for signbit in header math.h and library m" >&5
 ac_lib_var=`echo math.h'_'m'_'signbit | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -8044,7 +8141,7 @@ else
 ac_save_LIBS="$LIBS"
 LIBS="m  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 8048 "configure"
+#line 8145 "configure"
 #include "confdefs.h"
 #include <math.h>
 
@@ -8052,7 +8149,7 @@ int main() {
 signbit (1.0)
 ; return 0; }
 EOF
-if { (eval echo configure:8056: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8153: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -8097,12 +8194,12 @@ ac_link='${CC-cc} -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_
 for ac_func in mkstemp
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:8101: checking for $ac_func" >&5
+echo "configure:8198: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8106 "configure"
+#line 8203 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -8125,7 +8222,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:8129: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8226: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -8147,7 +8244,7 @@ EOF
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for mkstemp in library c""... $ac_c" 1>&6
-echo "configure:8151: checking for mkstemp in library c" >&5
+echo "configure:8248: checking for mkstemp in library c" >&5
 ac_lib_var=`echo c'_'mkstemp | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -8156,18 +8253,18 @@ else
 ac_save_LIBS="$LIBS"
 LIBS="c  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 8160 "configure"
+#line 8257 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
-char JMa09k;
+char l61kvv;
 
 int main() {
 mkstemp()
 ; return 0; }
 EOF
-if { (eval echo configure:8171: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8268: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -8207,19 +8304,19 @@ done
 
 
 echo $ac_n "checking for va_copy""... $ac_c" 1>&6
-echo "configure:8211: checking for va_copy" >&5
+echo "configure:8308: checking for va_copy" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_va_copy'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8216 "configure"
+#line 8313 "configure"
 #include "confdefs.h"
 #include <stdarg.h>
 int main() {
 va_list src, dest; va_copy(dest, src); return 0
 ; return 0; }
 EOF
-if { (eval echo configure:8223: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8320: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "cctk_cv_have_va_copy=yes"
 else
@@ -8258,7 +8355,7 @@ if test "$PTHREADS_MODE" = 'yes'; then
   if test -z "$PTHREAD_LIBS"; then
     PTHREAD_LIBS=
     echo $ac_n "checking for main in library c_r""... $ac_c" 1>&6
-echo "configure:8262: checking for main in library c_r" >&5
+echo "configure:8359: checking for main in library c_r" >&5
 ac_lib_var=`echo c_r'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -8267,14 +8364,14 @@ else
 ac_save_LIBS="$LIBS"
 LIBS="c_r  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 8271 "configure"
+#line 8368 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:8278: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8375: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -8295,7 +8392,7 @@ else
 fi
 
     echo $ac_n "checking for main in library pthread""... $ac_c" 1>&6
-echo "configure:8299: checking for main in library pthread" >&5
+echo "configure:8396: checking for main in library pthread" >&5
 ac_lib_var=`echo pthread'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -8304,14 +8401,14 @@ else
 ac_save_LIBS="$LIBS"
 LIBS="pthread  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 8308 "configure"
+#line 8405 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:8315: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8412: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -8330,7 +8427,7 @@ if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for main in library pthreads""... $ac_c" 1>&6
-echo "configure:8334: checking for main in library pthreads" >&5
+echo "configure:8431: checking for main in library pthreads" >&5
 ac_lib_var=`echo pthreads'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -8339,14 +8436,14 @@ else
 ac_save_LIBS="$LIBS"
 LIBS="pthreads  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 8343 "configure"
+#line 8440 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:8350: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8447: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -8856,7 +8953,7 @@ if test "x$CCTK_NEED_X" = 'xyes' ; then
 # Uses ac_ vars as temps to allow command line to override cache and checks.
 # --without-x overrides everything else, but does not touch the cache.
 echo $ac_n "checking for X""... $ac_c" 1>&6
-echo "configure:8860: checking for X" >&5
+echo "configure:8957: checking for X" >&5
 
 # Check whether --with-x or --without-x was given.
 if test "${with_x+set}" = set; then
@@ -8918,12 +9015,12 @@ if test "$ac_x_includes" = NO; then
 
   # First, try using that file with no special directory specified.
 cat > conftest.$ac_ext <<EOF
-#line 8922 "configure"
+#line 9019 "configure"
 #include "confdefs.h"
 #include <$x_direct_test_include>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:8927: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:9024: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -8992,14 +9089,14 @@ if test "$ac_x_libraries" = NO; then
   ac_save_LIBS="$LIBS"
   LIBS="-l$x_direct_test_library $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 8996 "configure"
+#line 9093 "configure"
 #include "confdefs.h"
 
 int main() {
 ${x_direct_test_function}()
 ; return 0; }
 EOF
-if { (eval echo configure:9003: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:9100: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   LIBS="$ac_save_LIBS"
 # We can link X programs with no special library path.
diff --git a/lib/make/configure.in b/lib/make/configure.in
index 8206f044..1c3914c4 100644
--- a/lib/make/configure.in
+++ b/lib/make/configure.in
@@ -928,6 +928,10 @@ CCTK_CXX_BUILTIN_EXPECT
 CCTK_C_BUILTIN_UNREACHABLE
 CCTK_CXX_BUILTIN_UNREACHABLE
 
+# Find out whether the compiler supports __builtin_assume_aligned
+CCTK_C_BUILTIN_ASSUME_ALIGNED
+CCTK_CXX_BUILTIN_ASSUME_ALIGNED
+
 # Find out whether the compiler supports static_assert
 CCTK_CXX_STATIC_ASSERT
 
diff --git a/lib/make/force-reconfigure b/lib/make/force-reconfigure
index f2860b72..12e69a71 100644
--- a/lib/make/force-reconfigure
+++ b/lib/make/force-reconfigure
@@ -40,3 +40,4 @@
 	     __builtin_unreachable()
 28 Feb 2013: Add variable XARGS
 20 May 2013: Auto-configure static_assert
+16 Jun 2013: Auto-configure __builtin_assume_aligned
author	eschnett <eschnett@17b73243-c579-4c4c-a9d2-2d5706c11dac>	2013-07-07 14:29:13 +0000
committer	eschnett <eschnett@17b73243-c579-4c4c-a9d2-2d5706c11dac>	2013-07-07 14:29:13 +0000
commit	7667d814899d8e67cb8e45d5d04adf22e388e4d8 (patch)
tree	72e101af59f3b6842be4554458b524a805d2f94f
parent	51cef93356584dc23771ef43ccb827a1abcf8159 (diff)