Add new configuration option OPENMP to enable/disable OpenMP support.

This option is accompanied by the option set {C,CXX,F77,F90}_OPENMP_FLAGS
through which users can overwrite the default OpenMP options set in the
known-architectures file.


git-svn-id: http://svn.cactuscode.org/flesh/trunk@4513 17b73243-c579-4c4c-a9d2-2d5706c11dac

6 files changed, 414 insertions, 283 deletions

diff --git a/doc/UsersGuide/RunningCactus.tex b/doc/UsersGuide/RunningCactus.tex
index 5420b3ee..07bc107b 100644
--- a/doc/UsersGuide/RunningCactus.tex
+++ b/doc/UsersGuide/RunningCactus.tex
@@ -482,8 +482,7 @@ compiler reports error messages about unrecognised \verb|#| directives.
 
 \item [\texttt{CROSS\_COMPILE}] Enables cross compilation.
   Available options are \texttt{yes} and \texttt{no}, the default is
-  \texttt{no}. To create a cross compiled configuration one must explicitly set
-  this option to \texttt{yes}.
+  \texttt{no}. To create a cross compiled configuration one must explicitly set   this option to \texttt{yes}. 
 
 \item [\texttt{DISABLE\_REAL16}] Disable support for the data type
 \texttt{CCTK\_REAL16}.  The only options available are \texttt{yes} and
@@ -516,6 +515,27 @@ type of debuggin being used.
 Debug flags for the Fortran 77 compiler, their use depends on the
 type of debugging being used.
 
+\item [\texttt{OPENMP}]
+* Specifies whether OpenMP support should be enabled. The only options
+  currently available are \texttt{yes} and \texttt{no}. The default
+  is to disable OpenMP support.
+
+\item [\texttt{C\_OPENMP\_FLAGS}]
+OpenMP flags for the C compiler, their use depends on the type of
+OpenMP support being used.
+
+\item [\texttt{CXX\_OPENMP\_FLAGS}]
+OpenMP flags for the C++ compiler, their use depends on the type of
+OpenMP support being used.
+
+\item [\texttt{F90\_OPENMP\_FLAGS}]
+OpenMP flags for the Fortran 90 compiler, their use depends on the
+type of OpenMP support being used.
+
+\item [\texttt{F77\_OPENMP\_FLAGS}]
+OpenMP flags for the Fortran 77 compiler, their use depends on the
+type of OpenMP support being used.
+
 \item [\texttt{OPTIMISE, OPTIMIZE}]
 * Specifies what type of optimisation should be used. The only options currently
 available are \texttt{yes} and \texttt{no}.  The default is to use optimisation.\\
diff --git a/lib/make/configure b/lib/make/configure
index b6b3ee3e..7b33a6b9 100755
--- a/lib/make/configure
+++ b/lib/make/configure
@@ -698,6 +698,22 @@ if test -n "$PROFILE" ; then
 fi
 
 
+#######################################################################
+# determine OPENMP_MODE from the OPENMP option
+# if this option isn't set OPENMP_MODE will default to 'no'
+
+OPENMP_MODE='no'
+if test -n "$OPENMP" ; then
+  
+  OPENMP=`echo $OPENMP | tr '[:upper:]' '[:lower:]'`
+  
+  if test "$OPENMP" != 'yes' -a "$OPENMP" != 'no' ; then
+    { echo "configure: error: Didn't recognize setting of OPENMP=\"$OPENMP\" (should be either \"yes\" or \"no\")" 1>&2; exit 1; }
+  fi
+  OPENMP_MODE=$OPENMP
+fi
+
+
 ac_aux_dir=
 for ac_dir in $srcdir $srcdir/.. $srcdir/../..; do
   if test -f $ac_dir/install-sh; then
@@ -724,7 +740,7 @@ 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:728: checking host system type" >&5
+echo "configure:744: checking host system type" >&5
 
 host_alias=$host
 case "$host_alias" in
@@ -770,7 +786,7 @@ if test -n "$LIBS" ; then
 fi
 
 echo $ac_n "checking whether ${MAKE-make} sets \${MAKE}""... $ac_c" 1>&6
-echo "configure:774: checking whether ${MAKE-make} sets \${MAKE}" >&5
+echo "configure:790: 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) $ac_c" 1>&6
@@ -803,7 +819,7 @@ do
 # Extract the first word of "$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:807: checking for $ac_word" >&5
+echo "configure:823: 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
@@ -835,7 +851,7 @@ done
 fi
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:839: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:855: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -847,12 +863,12 @@ cross_compiling=$ac_cv_prog_cc_cross
 rm -fr conftest*
 cat > conftest.$ac_ext << EOF
 
-#line 851 "configure"
+#line 867 "configure"
 #include "confdefs.h"
 
 main(){return(0);} int PilotMain(){return(0);}
 EOF
-if { (eval echo configure:856: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:872: \"$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
@@ -881,7 +897,7 @@ fi
 CROSS_COMPILE=`echo $CROSS_COMPILE | tr '[:upper:]' '[:lower:]'`
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:885: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:901: checking whether the C compiler ($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; }
@@ -889,7 +905,7 @@ fi
 cross_compiling=$ac_cv_prog_cc_cross
 
 echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
-echo "configure:893: checking whether we are using GNU C" >&5
+echo "configure:909: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -898,7 +914,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:902: \"$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:918: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
@@ -914,7 +930,7 @@ do
 # Extract the first word of "$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:918: checking for $ac_word" >&5
+echo "configure:934: 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
@@ -946,7 +962,7 @@ done
   fi
 
   echo $ac_n "checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:950: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works" >&5
+echo "configure:966: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works" >&5
 
 ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -958,12 +974,12 @@ cross_compiling=$ac_cv_prog_cxx_cross
 rm -fr conftest*
 cat > conftest.$ac_ext << EOF
 
-#line 962 "configure"
+#line 978 "configure"
 #include "confdefs.h"
 
 int main(){return(0);} extern "C" int PilotMain(){return(0);}
 EOF
-if { (eval echo configure:967: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:983: \"$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
@@ -989,7 +1005,7 @@ 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""... $ac_c" 1>&6
-echo "configure:993: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:1009: checking whether the C++ compiler ($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; }
@@ -997,7 +1013,7 @@ fi
 cross_compiling=$ac_cv_prog_cxx_cross
 
   echo $ac_n "checking whether we are using GNU C++""... $ac_c" 1>&6
-echo "configure:1001: checking whether we are using GNU C++" >&5
+echo "configure:1017: checking whether we are using GNU C++" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gxx'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1006,7 +1022,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CXX-g++} -E conftest.C'; { (eval echo configure:1010: \"$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:1026: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gxx=yes
 else
   ac_cv_prog_gxx=no
@@ -1020,7 +1036,7 @@ if test -z "$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:1024: checking for $ac_word" >&5
+echo "configure:1040: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1056,7 +1072,7 @@ do
 # Extract the first word of "$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:1060: checking for $ac_word" >&5
+echo "configure:1076: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_CPP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1102,7 +1118,7 @@ do
 # Extract the first word of "$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:1106: checking for $ac_word" >&5
+echo "configure:1122: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_FPP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1146,7 +1162,7 @@ do
 # Extract the first word of "$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:1150: checking for $ac_word" >&5
+echo "configure:1166: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_PERL'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1183,7 +1199,7 @@ do
 # Extract the first word of "$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:1187: checking for $ac_word" >&5
+echo "configure:1203: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_F90'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1220,7 +1236,7 @@ do
 # Extract the first word of "$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:1224: checking for $ac_word" >&5
+echo "configure:1240: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_F77'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1257,7 +1273,7 @@ do
 # Extract the first word of "$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:1261: checking for $ac_word" >&5
+echo "configure:1277: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1294,7 +1310,7 @@ do
 # Extract the first word of "$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:1298: checking for $ac_word" >&5
+echo "configure:1314: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_MKDIR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1333,7 +1349,7 @@ do
 # Extract the first word of "$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:1337: checking for $ac_word" >&5
+echo "configure:1353: 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
@@ -1514,6 +1530,15 @@ fi
 
 : ${F90_PROFILE_FLAGS='-pg'}
 
+
+# Set the OpenMP flags if they've not been set by now
+
+
+
+
+
+
+
 ##########################################################################
 
 # Deal with the Fortran compiler issues.
@@ -1525,6 +1550,7 @@ if test "x$F90" != "x" -a "x$F90" != "xnone" -a "x$F77" = "x" ; then
   F77_DEBUG_FLAGS=$F90_DEBUG_FLAGS
   F77_OPTIMISE_FLAGS=$F90_OPTIMISE_FLAGS
   F77_PROFILE_FLAGS=$F90_PROFILE_FLAGS
+  F77_OPENMP_FLAGS=$F90_OPENMP_FLAGS
 fi
 
 # Set default Fortran compilers
@@ -1560,7 +1586,7 @@ unset LDFLAGS
 
 
 echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:1564: checking how to run the C preprocessor" >&5
+echo "configure:1590: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
@@ -1575,13 +1601,13 @@ else
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 1579 "configure"
+#line 1605 "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:1585: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1611: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1592,13 +1618,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 1596 "configure"
+#line 1622 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1602: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1628: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1609,13 +1635,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -nologo -E"
   cat > conftest.$ac_ext <<EOF
-#line 1613 "configure"
+#line 1639 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1619: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1645: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1640,12 +1666,12 @@ fi
 echo "$ac_t""$CPP" 1>&6
 
 echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
-echo "configure:1644: checking for ANSI C header files" >&5
+echo "configure:1670: checking for ANSI C header files" >&5
 if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1649 "configure"
+#line 1675 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <stdarg.h>
@@ -1653,7 +1679,7 @@ else
 #include <float.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1657: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1683: \"$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*
@@ -1670,7 +1696,7 @@ 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 1674 "configure"
+#line 1700 "configure"
 #include "confdefs.h"
 #include <string.h>
 EOF
@@ -1688,7 +1714,7 @@ 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 1692 "configure"
+#line 1718 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -1709,7 +1735,7 @@ if test "$cross_compiling" = yes; then
   :
 else
   cat > conftest.$ac_ext <<EOF
-#line 1713 "configure"
+#line 1739 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@@ -1720,7 +1746,7 @@ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
 exit (0); }
 
 EOF
-if { (eval echo configure:1724: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1750: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -1747,14 +1773,14 @@ fi
 
 if test "x$cross_compiling" = 'xno' ; then
   echo $ac_n "checking whether byte ordering is bigendian""... $ac_c" 1>&6
-echo "configure:1751: checking whether byte ordering is bigendian" >&5
+echo "configure:1777: checking whether byte ordering is bigendian" >&5
 if eval "test \"`echo '$''{'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 1758 "configure"
+#line 1784 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -1765,11 +1791,11 @@ int main() {
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:1769: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1795: \"$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 1773 "configure"
+#line 1799 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -1780,7 +1806,7 @@ int main() {
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:1784: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1810: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_bigendian=yes
 else
@@ -1800,7 +1826,7 @@ if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 1804 "configure"
+#line 1830 "configure"
 #include "confdefs.h"
 main () {
   /* Are we little or big endian?  From Harbison&Steele.  */
@@ -1813,7 +1839,7 @@ main () {
   exit (u.c[sizeof (long) - 1] == 1);
 }
 EOF
-if { (eval echo configure:1817: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1843: \"$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
@@ -1856,7 +1882,7 @@ if test "x$cross_compiling" = 'xyes' -a -z "$SIZEOF_LONG_LONG" ; then
 fi
 
 echo $ac_n "checking size of long long""... $ac_c" 1>&6
-echo "configure:1860: checking size of long long" >&5
+echo "configure:1886: checking size of long long" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_long_long'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1864,7 +1890,7 @@ else
   ac_cv_sizeof_long_long=$SIZEOF_LONG_LONG
 else
   cat > conftest.$ac_ext <<EOF
-#line 1868 "configure"
+#line 1894 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <sys/types.h>
@@ -1876,7 +1902,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:1880: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1906: \"$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
@@ -1901,7 +1927,7 @@ if test "x$cross_compiling" = 'xyes' -a -z "$SIZEOF_LONG_INT" ; then
 fi
 
 echo $ac_n "checking size of long int""... $ac_c" 1>&6
-echo "configure:1905: checking size of long int" >&5
+echo "configure:1931: checking size of long int" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_long_int'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1909,7 +1935,7 @@ else
   ac_cv_sizeof_long_int=$SIZEOF_LONG_INT
 else
   cat > conftest.$ac_ext <<EOF
-#line 1913 "configure"
+#line 1939 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <sys/types.h>
@@ -1921,7 +1947,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:1925: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1951: \"$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
@@ -1946,7 +1972,7 @@ if test "x$cross_compiling" = 'xyes' -a -z "$SIZEOF_INT" ; then
 fi
 
 echo $ac_n "checking size of int""... $ac_c" 1>&6
-echo "configure:1950: checking size of int" >&5
+echo "configure:1976: checking size of int" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_int'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1954,7 +1980,7 @@ else
   ac_cv_sizeof_int=$SIZEOF_INT
 else
   cat > conftest.$ac_ext <<EOF
-#line 1958 "configure"
+#line 1984 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <sys/types.h>
@@ -1966,7 +1992,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:1970: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1996: \"$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
@@ -1991,7 +2017,7 @@ if test "x$cross_compiling" = 'xyes' -a -z "$SIZEOF_SHORT_INT" ; then
 fi
 
 echo $ac_n "checking size of short int""... $ac_c" 1>&6
-echo "configure:1995: checking size of short int" >&5
+echo "configure:2021: checking size of short int" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_short_int'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1999,7 +2025,7 @@ else
   ac_cv_sizeof_short_int=$SIZEOF_SHORT_INT
 else
   cat > conftest.$ac_ext <<EOF
-#line 2003 "configure"
+#line 2029 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <sys/types.h>
@@ -2011,7 +2037,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:2015: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2041: \"$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
@@ -2038,7 +2064,7 @@ if test "x$cross_compiling" = 'xyes' -a -z "$SIZEOF_LONG_DOUBLE" ; then
 fi
 
 echo $ac_n "checking size of long double""... $ac_c" 1>&6
-echo "configure:2042: checking size of long double" >&5
+echo "configure:2068: checking size of long double" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_long_double'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2046,7 +2072,7 @@ else
   ac_cv_sizeof_long_double=$SIZEOF_LONG_DOUBLE
 else
   cat > conftest.$ac_ext <<EOF
-#line 2050 "configure"
+#line 2076 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <sys/types.h>
@@ -2058,7 +2084,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:2062: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2088: \"$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
@@ -2083,7 +2109,7 @@ if test "x$cross_compiling" = 'xyes' -a -z "$SIZEOF_DOUBLE" ; then
 fi
 
 echo $ac_n "checking size of double""... $ac_c" 1>&6
-echo "configure:2087: checking size of double" >&5
+echo "configure:2113: checking size of double" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_double'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2091,7 +2117,7 @@ else
   ac_cv_sizeof_double=$SIZEOF_DOUBLE
 else
   cat > conftest.$ac_ext <<EOF
-#line 2095 "configure"
+#line 2121 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <sys/types.h>
@@ -2103,7 +2129,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:2107: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2133: \"$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
@@ -2129,7 +2155,7 @@ if test "x$cross_compiling" = 'xyes' -a -z "$SIZEOF_FLOAT" ; then
 fi
 
 echo $ac_n "checking size of float""... $ac_c" 1>&6
-echo "configure:2133: checking size of float" >&5
+echo "configure:2159: checking size of float" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_float'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2137,7 +2163,7 @@ else
   ac_cv_sizeof_float=$SIZEOF_FLOAT
 else
   cat > conftest.$ac_ext <<EOF
-#line 2141 "configure"
+#line 2167 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <sys/types.h>
@@ -2149,7 +2175,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:2153: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2179: \"$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
@@ -2176,7 +2202,7 @@ if test "x$cross_compiling" = 'xyes' -a -z "$SIZEOF_POINTER" ; then
 fi
 
 echo $ac_n "checking size of char *""... $ac_c" 1>&6
-echo "configure:2180: checking size of char *" >&5
+echo "configure:2206: checking size of char *" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_char_p'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2184,7 +2210,7 @@ else
   ac_cv_sizeof_char_p=$SIZEOF_POINTER
 else
   cat > conftest.$ac_ext <<EOF
-#line 2188 "configure"
+#line 2214 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <sys/types.h>
@@ -2196,7 +2222,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:2200: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2226: \"$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
@@ -2231,7 +2257,7 @@ EOF
 
 else
   echo $ac_n "checking for the null device""... $ac_c" 1>&6
-echo "configure:2235: checking for the null device" >&5
+echo "configure:2261: checking for the null device" >&5
 if eval "test \"`echo '$''{'cctk_cv_nulldevice'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2294,12 +2320,12 @@ ac_link='${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:2298: checking for $ac_func" >&5
+echo "configure:2324: 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 2303 "configure"
+#line 2329 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -2322,7 +2348,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2326: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2352: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -2344,7 +2370,7 @@ EOF
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for gethostbyname in library nsl""... $ac_c" 1>&6
-echo "configure:2348: checking for gethostbyname in library nsl" >&5
+echo "configure:2374: checking for gethostbyname in library nsl" >&5
 ac_lib_var=`echo nsl'_'gethostbyname | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2353,7 +2379,7 @@ else
 ac_save_LIBS="$LIBS"
 LIBS="nsl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2357 "configure"
+#line 2383 "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
@@ -2364,7 +2390,7 @@ int main() {
 gethostbyname()
 ; return 0; }
 EOF
-if { (eval echo configure:2368: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2394: \"$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
@@ -2395,12 +2421,12 @@ done
 
 # Check if we have mode_t available
 echo $ac_n "checking whether mode_t is defined""... $ac_c" 1>&6
-echo "configure:2399: checking whether mode_t is defined" >&5
+echo "configure:2425: checking whether mode_t is defined" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_mode_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2404 "configure"
+#line 2430 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <stdlib.h>
@@ -2410,7 +2436,7 @@ int main() {
 mode_t foo; return 0
 ; return 0; }
 EOF
-if { (eval echo configure:2414: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2440: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_have_mode_t=yes"
 else
@@ -2436,12 +2462,12 @@ fi
 
 
 echo $ac_n "checking for availability of gettimeofday timing""... $ac_c" 1>&6
-echo "configure:2440: checking for availability of gettimeofday timing" >&5
+echo "configure:2466: checking for availability of gettimeofday timing" >&5
 if eval "test \"`echo '$''{'cctk_cv_time_gettimeofday'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2445 "configure"
+#line 2471 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -2449,7 +2475,7 @@ gettimeofday(0, 0);
  return 0;
 ; return 0; }
 EOF
-if { (eval echo configure:2453: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2479: \"$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
@@ -2471,12 +2497,12 @@ else
 fi
 if eval "test \"`echo '$cctk_cv_time_gettimeofday'`\" = yes"; then
 echo $ac_n "checking if gettimeofday needs timezone""... $ac_c" 1>&6
-echo "configure:2475: checking if gettimeofday needs timezone" >&5
+echo "configure:2501: checking if gettimeofday needs timezone" >&5
 if eval "test \"`echo '$''{'cctk_cv_time_gettimeofday_timezone'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2480 "configure"
+#line 2506 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <sys/time.h>
@@ -2489,7 +2515,7 @@ struct timeval tp;
  return 0;
 ; return 0; }
 EOF
-if { (eval echo configure:2493: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2519: \"$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
@@ -2512,12 +2538,12 @@ fi
 fi
 
 echo $ac_n "checking for availability of getrusage timing""... $ac_c" 1>&6
-echo "configure:2516: checking for availability of getrusage timing" >&5
+echo "configure:2542: checking for availability of getrusage timing" >&5
 if eval "test \"`echo '$''{'cctk_cv_time_getrusage'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2521 "configure"
+#line 2547 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <sys/time.h>
@@ -2530,7 +2556,7 @@ struct rusage ru;
  return 0;
 ; return 0; }
 EOF
-if { (eval echo configure:2534: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2560: \"$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
@@ -2552,12 +2578,12 @@ else
 fi
 
 echo $ac_n "checking for availability of _ftime timing""... $ac_c" 1>&6
-echo "configure:2556: checking for availability of _ftime timing" >&5
+echo "configure:2582: checking for availability of _ftime timing" >&5
 if eval "test \"`echo '$''{'cctk_cv_time_ftime'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2561 "configure"
+#line 2587 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <time.h>
@@ -2570,7 +2596,7 @@ int main() {
   return 0;
 ; return 0; }
 EOF
-if { (eval echo configure:2574: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2600: \"$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
@@ -2597,12 +2623,12 @@ 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:2601: checking for $cctk_hdr" >&5
+echo "configure:2627: 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 2606 "configure"
+#line 2632 "configure"
 #include "confdefs.h"
  
 #include <$cctk_hdr>
@@ -2610,7 +2636,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:2614: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2640: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -2637,12 +2663,12 @@ 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:2641: checking for $cctk_hdr" >&5
+echo "configure:2667: 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 2646 "configure"
+#line 2672 "configure"
 #include "confdefs.h"
  
 #include <$cctk_hdr>
@@ -2650,7 +2676,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:2654: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2680: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -2677,12 +2703,12 @@ 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:2681: checking for $cctk_hdr" >&5
+echo "configure:2707: 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 2686 "configure"
+#line 2712 "configure"
 #include "confdefs.h"
  
 #include <$cctk_hdr>
@@ -2690,7 +2716,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:2694: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2720: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -2717,12 +2743,12 @@ 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:2721: checking for $cctk_hdr" >&5
+echo "configure:2747: 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 2726 "configure"
+#line 2752 "configure"
 #include "confdefs.h"
  
 #include <$cctk_hdr>
@@ -2730,7 +2756,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:2734: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2760: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -2757,12 +2783,12 @@ 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:2761: checking for $cctk_hdr" >&5
+echo "configure:2787: 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 2766 "configure"
+#line 2792 "configure"
 #include "confdefs.h"
  
 #include <$cctk_hdr>
@@ -2770,7 +2796,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:2774: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2800: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -2797,12 +2823,12 @@ 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:2801: checking for $cctk_hdr" >&5
+echo "configure:2827: 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 2806 "configure"
+#line 2832 "configure"
 #include "confdefs.h"
  
 #include <$cctk_hdr>
@@ -2810,7 +2836,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:2814: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2840: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -2837,12 +2863,12 @@ 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:2841: checking for $cctk_hdr" >&5
+echo "configure:2867: 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 2846 "configure"
+#line 2872 "configure"
 #include "confdefs.h"
  
 #include <$cctk_hdr>
@@ -2850,7 +2876,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:2854: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2880: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -2877,12 +2903,12 @@ 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:2881: checking for $cctk_hdr" >&5
+echo "configure:2907: 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 2886 "configure"
+#line 2912 "configure"
 #include "confdefs.h"
  
 #include <$cctk_hdr>
@@ -2890,7 +2916,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:2894: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2920: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -2917,12 +2943,12 @@ 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:2921: checking for $cctk_hdr" >&5
+echo "configure:2947: 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 2926 "configure"
+#line 2952 "configure"
 #include "confdefs.h"
  
 #include <$cctk_hdr>
@@ -2930,7 +2956,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:2934: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2960: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -2957,12 +2983,12 @@ 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:2961: checking for $cctk_hdr" >&5
+echo "configure:2987: 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 2966 "configure"
+#line 2992 "configure"
 #include "confdefs.h"
  
 #include <$cctk_hdr>
@@ -2970,7 +2996,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:2974: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3000: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -2997,12 +3023,12 @@ 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:3001: checking for $cctk_hdr" >&5
+echo "configure:3027: 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 3006 "configure"
+#line 3032 "configure"
 #include "confdefs.h"
  
 #include <$cctk_hdr>
@@ -3010,7 +3036,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:3014: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3040: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -3037,12 +3063,12 @@ 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:3041: checking for $cctk_hdr" >&5
+echo "configure:3067: 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 3046 "configure"
+#line 3072 "configure"
 #include "confdefs.h"
  
 #include <$cctk_hdr>
@@ -3050,7 +3076,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:3054: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3080: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -3077,12 +3103,12 @@ 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:3081: checking for $cctk_hdr" >&5
+echo "configure:3107: 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 3086 "configure"
+#line 3112 "configure"
 #include "confdefs.h"
  
 #include <$cctk_hdr>
@@ -3090,7 +3116,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:3094: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3120: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -3114,12 +3140,12 @@ fi
 done
 
 echo $ac_n "checking for regex.h""... $ac_c" 1>&6
-echo "configure:3118: checking for regex.h" >&5
+echo "configure:3144: checking for regex.h" >&5
 if eval "test \"`echo '$''{'cctk_cv_header_regex_h'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3123 "configure"
+#line 3149 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <regex.h>
@@ -3127,7 +3153,7 @@ int main() {
 return 0;
 ; return 0; }
 EOF
-if { (eval echo configure:3131: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3157: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_regex_h=yes"
 else
@@ -3152,12 +3178,12 @@ for cctk_hdr in sys/filio.h
 do
 cctk_safe=`echo "$cctk_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $cctk_hdr""... $ac_c" 1>&6
-echo "configure:3156: checking for $cctk_hdr" >&5
+echo "configure:3182: 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 3161 "configure"
+#line 3187 "configure"
 #include "confdefs.h"
 #ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
@@ -3167,7 +3193,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:3171: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3197: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -3194,12 +3220,12 @@ 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:3198: checking for $cctk_hdr" >&5
+echo "configure:3224: 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 3203 "configure"
+#line 3229 "configure"
 #include "confdefs.h"
 #ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
@@ -3209,7 +3235,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:3213: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3239: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -3236,12 +3262,12 @@ 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:3240: checking for $cctk_hdr" >&5
+echo "configure:3266: 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 3245 "configure"
+#line 3271 "configure"
 #include "confdefs.h"
 #ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
@@ -3251,7 +3277,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:3255: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3281: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -3278,12 +3304,12 @@ 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:3282: checking for $cctk_hdr" >&5
+echo "configure:3308: 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 3287 "configure"
+#line 3313 "configure"
 #include "confdefs.h"
 #ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
@@ -3293,7 +3319,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:3297: \"$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
@@ -3320,12 +3346,12 @@ 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:3324: 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 3329 "configure"
+#line 3355 "configure"
 #include "confdefs.h"
 #ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
@@ -3335,7 +3361,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:3339: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3365: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -3362,12 +3388,12 @@ 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:3366: checking for $cctk_hdr" >&5
+echo "configure:3392: 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 3371 "configure"
+#line 3397 "configure"
 #include "confdefs.h"
 #ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
@@ -3377,7 +3403,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:3381: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3407: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -3404,12 +3430,12 @@ 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:3408: checking for $cctk_hdr" >&5
+echo "configure:3434: 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 3413 "configure"
+#line 3439 "configure"
 #include "confdefs.h"
  
 #include <$cctk_hdr>
@@ -3417,7 +3443,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:3421: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3447: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -3444,12 +3470,12 @@ 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:3448: checking for $cctk_hdr" >&5
+echo "configure:3474: 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 3453 "configure"
+#line 3479 "configure"
 #include "confdefs.h"
 #ifdef HAVE_UNISTD_H
 #include <unistd.h>
@@ -3459,7 +3485,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:3463: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3489: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -3486,12 +3512,12 @@ 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:3490: checking for $cctk_hdr" >&5
+echo "configure:3516: 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 3495 "configure"
+#line 3521 "configure"
 #include "confdefs.h"
  
 #include <$cctk_hdr>
@@ -3499,7 +3525,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:3503: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3529: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -3526,12 +3552,12 @@ 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:3530: checking for $cctk_hdr" >&5
+echo "configure:3556: 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 3535 "configure"
+#line 3561 "configure"
 #include "confdefs.h"
  
 #include <$cctk_hdr>
@@ -3539,7 +3565,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:3543: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3569: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -3564,12 +3590,12 @@ done
 
 
 echo $ac_n "checking whether time.h and sys/time.h may both be included""... $ac_c" 1>&6
-echo "configure:3568: checking whether time.h and sys/time.h may both be included" >&5
+echo "configure:3594: checking whether time.h and sys/time.h may both be included" >&5
 if eval "test \"`echo '$''{'ac_cv_header_time'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3573 "configure"
+#line 3599 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/time.h>
@@ -3578,7 +3604,7 @@ int main() {
 struct tm *tp;
 ; return 0; }
 EOF
-if { (eval echo configure:3582: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3608: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_header_time=yes
 else
@@ -3603,12 +3629,12 @@ fi
 
 # Check if we have socklen_t available
 echo $ac_n "checking whether socklen_t is defined""... $ac_c" 1>&6
-echo "configure:3607: checking whether socklen_t is defined" >&5
+echo "configure:3633: checking whether socklen_t is defined" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_socklen_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3612 "configure"
+#line 3638 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <stdlib.h>
@@ -3628,7 +3654,7 @@ int main() {
 socklen_t foo; return 0
 ; return 0; }
 EOF
-if { (eval echo configure:3632: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3658: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_have_socklen_t=yes"
 else
@@ -3653,12 +3679,12 @@ fi
 
 # Check if someone has defined SOCKET
 echo $ac_n "checking whether SOCKET is defined""... $ac_c" 1>&6
-echo "configure:3657: checking whether SOCKET is defined" >&5
+echo "configure:3683: checking whether SOCKET is defined" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_SOCKET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3662 "configure"
+#line 3688 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <stdlib.h>
@@ -3678,7 +3704,7 @@ int main() {
 SOCKET foo; return 0
 ; return 0; }
 EOF
-if { (eval echo configure:3682: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3708: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_have_SOCKET=yes"
 else
@@ -3704,12 +3730,12 @@ fi
 # Check for timing functions
 
 echo $ac_n "checking for hrtime_t""... $ac_c" 1>&6
-echo "configure:3708: checking for hrtime_t" >&5
+echo "configure:3734: checking for hrtime_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_hrtime_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3713 "configure"
+#line 3739 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -3740,12 +3766,12 @@ 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:3744: checking for $ac_func" >&5
+echo "configure:3770: 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 3749 "configure"
+#line 3775 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3768,7 +3794,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3772: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3798: \"$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
@@ -3794,10 +3820,10 @@ done
 
 
 echo $ac_n "checking for _rtc intrinsic""... $ac_c" 1>&6
-echo "configure:3798: checking for _rtc intrinsic" >&5
+echo "configure:3824: checking for _rtc intrinsic" >&5
 rtc_ok=yes
 cat > conftest.$ac_ext <<EOF
-#line 3801 "configure"
+#line 3827 "configure"
 #include "confdefs.h"
 #ifdef HAVE_INTRINSICS_H
 #include <intrinsics.h>
@@ -3806,7 +3832,7 @@ int main() {
 _rtc()
 ; return 0; }
 EOF
-if { (eval echo configure:3810: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3836: \"$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
@@ -3827,12 +3853,12 @@ 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:3831: checking for $ac_func" >&5
+echo "configure:3857: 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 3836 "configure"
+#line 3862 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3855,7 +3881,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3859: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3885: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -3884,12 +3910,12 @@ ac_link='${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:3888: checking for $ac_func" >&5
+echo "configure:3914: 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 3893 "configure"
+#line 3919 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3912,7 +3938,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3916: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3942: \"$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
@@ -3940,12 +3966,12 @@ done
 
 # Check if M_MMAP_THRESHOLD is defined
 echo $ac_n "checking whether M_MMAP_THRESHOLD is defined""... $ac_c" 1>&6
-echo "configure:3944: checking whether M_MMAP_THRESHOLD is defined" >&5
+echo "configure:3970: checking whether M_MMAP_THRESHOLD is defined" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_M_MMAP_THRESHOLD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3949 "configure"
+#line 3975 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #ifdef HAVE_MALLOC_H
@@ -3955,7 +3981,7 @@ int main() {
 int x=M_MMAP_THRESHOLD; return 0
 ; return 0; }
 EOF
-if { (eval echo configure:3959: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3985: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_have_M_MMAP_THRESHOLD=yes"
 else
@@ -3981,19 +4007,19 @@ fi
 
 # Check if we have __int64
 echo $ac_n "checking if __int64 is defined""... $ac_c" 1>&6
-echo "configure:3985: checking if __int64 is defined" >&5
+echo "configure:4011: checking if __int64 is defined" >&5
 if eval "test \"`echo '$''{'cctk_cv_have___int64'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3990 "configure"
+#line 4016 "configure"
 #include "confdefs.h"
 
 int main() {
 __int64 foo; return 0
 ; return 0; }
 EOF
-if { (eval echo configure:3997: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4023: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_have___int64=yes"
 else
@@ -4028,12 +4054,12 @@ cross_compiling=$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:4032: checking for $cctk_hdr" >&5
+echo "configure:4058: 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 4037 "configure"
+#line 4063 "configure"
 #include "confdefs.h"
  
 #include <$cctk_hdr>
@@ -4041,7 +4067,7 @@ int main() {
  
 ; return 0; }
 EOF
-if { (eval echo configure:4045: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4071: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "cctk_cv_header_$cctk_safe=yes"
 else
@@ -4080,12 +4106,12 @@ 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:4084: checking for $ac_func" >&5
+echo "configure:4110: 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 4089 "configure"
+#line 4115 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4108,7 +4134,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4112: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4138: \"$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
@@ -4151,12 +4177,12 @@ else
 fi
 
 echo $ac_n "checking for working const""... $ac_c" 1>&6
-echo "configure:4155: checking for working const" >&5
+echo "configure:4181: checking for working const" >&5
 if eval "test \"`echo '$''{'ac_cv_c_const'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4160 "configure"
+#line 4186 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -4205,7 +4231,7 @@ ccp = (char const *const *) p;
 
 ; return 0; }
 EOF
-if { (eval echo configure:4209: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4235: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_const=yes
 else
@@ -4227,14 +4253,14 @@ fi
 
 #AC_C_INLINE
 echo $ac_n "checking for C inline""... $ac_c" 1>&6
-echo "configure:4231: checking for C inline" >&5
+echo "configure:4257: checking for C inline" >&5
 if eval "test \"`echo '$''{'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 4238 "configure"
+#line 4264 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -4242,14 +4268,14 @@ foo();
 ; return 0; }
 EOF
 cat > conftest2.$ac_ext <<EOF
-#line 4246 "configure"
+#line 4272 "configure"
 #include "confdefs.h"
 
 int main2() {
 } $ac_kw foo() {
 ; return 0; }
 EOF
-if { (eval echo configure:4253: \"$ac_link conftest2.$ac_ext\") 1>&5; (eval $ac_link conftest2.$ac_ext) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4279: \"$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
@@ -4280,14 +4306,14 @@ esac
 
 
 echo $ac_n "checking for C restrict""... $ac_c" 1>&6
-echo "configure:4284: checking for C restrict" >&5
+echo "configure:4310: checking for C restrict" >&5
 if eval "test \"`echo '$''{'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 4291 "configure"
+#line 4317 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -4298,7 +4324,7 @@ struct tux { char * $ac_kw arr[3]; };
 
 ; return 0; }
 EOF
-if { (eval echo configure:4302: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4328: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_c_restrict=$ac_kw; break
 else
@@ -4324,7 +4350,7 @@ EOF
 esac
 
 echo $ac_n "checking for C++ restrict""... $ac_c" 1>&6
-echo "configure:4328: checking for C++ restrict" >&5
+echo "configure:4354: checking for C++ restrict" >&5
 if eval "test \"`echo '$''{'cctk_cv_cxx_restrict'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4339,7 +4365,7 @@ cross_compiling=$ac_cv_prog_cxx_cross
 
 for ac_kw in restrict __restrict__ __restrict; do
   cat > conftest.$ac_ext <<EOF
-#line 4343 "configure"
+#line 4369 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -4350,7 +4376,7 @@ struct tux { char * $ac_kw arr[3]; };
 
 ; return 0; }
 EOF
-if { (eval echo configure:4354: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4380: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_cxx_restrict=$ac_kw; break
 else
@@ -4384,20 +4410,20 @@ esac
 
 
 echo $ac_n "checking for C bool""... $ac_c" 1>&6
-echo "configure:4388: checking for C bool" >&5
+echo "configure:4414: checking for C bool" >&5
 if eval "test \"`echo '$''{'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 4394 "configure"
+#line 4420 "configure"
 #include "confdefs.h"
 
 int main() {
 bool foo;
 ; return 0; }
 EOF
-if { (eval echo configure:4401: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4427: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_have_c_bool=yes
 else
@@ -4419,7 +4445,7 @@ EOF
 fi
 
 echo $ac_n "checking for CXX bool""... $ac_c" 1>&6
-echo "configure:4423: checking for CXX bool" >&5
+echo "configure:4449: checking for CXX bool" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_cxx_bool'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4433,14 +4459,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
 cat > conftest.$ac_ext <<EOF
-#line 4437 "configure"
+#line 4463 "configure"
 #include "confdefs.h"
 
 int main() {
 bool foo;
 ; return 0; }
 EOF
-if { (eval echo configure:4444: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4470: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_have_cxx_bool=yes
 else
@@ -4470,7 +4496,7 @@ fi
 
 
 echo $ac_n "checking for Fortran REAL*4""... $ac_c" 1>&6
-echo "configure:4474: checking for Fortran REAL*4" >&5
+echo "configure:4500: checking for Fortran REAL*4" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_fortran_real4'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4486,7 +4512,7 @@ cat > conftest.$ac_ext <<EOF
       REAL*4 a
       end
 EOF
-if { (eval echo configure:4490: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4516: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_have_fortran_real4=yes
 else
@@ -4515,7 +4541,7 @@ EOF
 fi
 
 echo $ac_n "checking for Fortran REAL*8""... $ac_c" 1>&6
-echo "configure:4519: checking for Fortran REAL*8" >&5
+echo "configure:4545: checking for Fortran REAL*8" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_fortran_real8'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4531,7 +4557,7 @@ cat > conftest.$ac_ext <<EOF
       REAL*8 a
       end
 EOF
-if { (eval echo configure:4535: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4561: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_have_fortran_real8=yes
 else
@@ -4560,7 +4586,7 @@ EOF
 fi
 
 echo $ac_n "checking for Fortran REAL*16""... $ac_c" 1>&6
-echo "configure:4564: checking for Fortran REAL*16" >&5
+echo "configure:4590: checking for Fortran REAL*16" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_fortran_real16'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4576,7 +4602,7 @@ cat > conftest.$ac_ext <<EOF
       REAL*16 a
       end
 EOF
-if { (eval echo configure:4580: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4606: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_have_fortran_real16=yes
 else
@@ -4606,7 +4632,7 @@ fi
 
 
 echo $ac_n "checking for Fortran COMPLEX*8""... $ac_c" 1>&6
-echo "configure:4610: checking for Fortran COMPLEX*8" >&5
+echo "configure:4636: checking for Fortran COMPLEX*8" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_fortran_complex8'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4622,7 +4648,7 @@ cat > conftest.$ac_ext <<EOF
       COMPLEX*8 a
       end
 EOF
-if { (eval echo configure:4626: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4652: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_have_fortran_complex8=yes
 else
@@ -4651,7 +4677,7 @@ EOF
 fi
 
 echo $ac_n "checking for Fortran COMPLEX*16""... $ac_c" 1>&6
-echo "configure:4655: checking for Fortran COMPLEX*16" >&5
+echo "configure:4681: checking for Fortran COMPLEX*16" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_fortran_complex16'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4667,7 +4693,7 @@ cat > conftest.$ac_ext <<EOF
       COMPLEX*16 a
       end
 EOF
-if { (eval echo configure:4671: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4697: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_have_fortran_complex16=yes
 else
@@ -4696,7 +4722,7 @@ EOF
 fi
 
 echo $ac_n "checking for Fortran COMPLEX*32""... $ac_c" 1>&6
-echo "configure:4700: checking for Fortran COMPLEX*32" >&5
+echo "configure:4726: checking for Fortran COMPLEX*32" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_fortran_complex32'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4712,7 +4738,7 @@ cat > conftest.$ac_ext <<EOF
       COMPLEX*32 a
       end
 EOF
-if { (eval echo configure:4716: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4742: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cctk_cv_have_fortran_complex32=yes
 else
@@ -4743,12 +4769,12 @@ fi
 
 ac_link='${CC-cc} -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext `CCTK_Wrap "$LIBDIR_PREFIX" "$LIBDIR_SUFFIX" "$LIBDIRS"` `CCTK_Wrap "$LIBLINK_PREFIX" "$LIBLINK_SUFFIX" "$LIBS"` >&5'
 echo $ac_n "checking for crypt""... $ac_c" 1>&6
-echo "configure:4747: checking for crypt" >&5
+echo "configure:4773: checking for crypt" >&5
 if eval "test \"`echo '$''{'ac_cv_func_crypt'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4752 "configure"
+#line 4778 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char crypt(); below.  */
@@ -4771,7 +4797,7 @@ crypt();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4775: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4801: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_crypt=yes"
 else
@@ -4789,7 +4815,7 @@ if eval "test \"`echo '$ac_cv_func_'crypt`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for crypt in library crypt""... $ac_c" 1>&6
-echo "configure:4793: checking for crypt in library crypt" >&5
+echo "configure:4819: checking for crypt in library crypt" >&5
 ac_lib_var=`echo crypt'_'crypt | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4798,7 +4824,7 @@ else
 ac_save_LIBS="$LIBS"
 LIBS="crypt  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4802 "configure"
+#line 4828 "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
@@ -4809,7 +4835,7 @@ int main() {
 crypt()
 ; return 0; }
 EOF
-if { (eval echo configure:4813: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4839: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4850,12 +4876,12 @@ ac_link='${CC-cc} -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_
 for ac_func in finite
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4854: checking for $ac_func" >&5
+echo "configure:4880: 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 4859 "configure"
+#line 4885 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4878,7 +4904,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4882: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4908: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -4900,7 +4926,7 @@ EOF
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for finite in library m""... $ac_c" 1>&6
-echo "configure:4904: checking for finite in library m" >&5
+echo "configure:4930: checking for finite in library m" >&5
 ac_lib_var=`echo m'_'finite | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4909,7 +4935,7 @@ else
 ac_save_LIBS="$LIBS"
 LIBS="m  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4913 "configure"
+#line 4939 "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
@@ -4920,7 +4946,7 @@ int main() {
 finite()
 ; return 0; }
 EOF
-if { (eval echo configure:4924: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4950: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4962,12 +4988,12 @@ ac_link='${CC-cc} -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_
 for ac_func in isnan
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4966: checking for $ac_func" >&5
+echo "configure:4992: 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 4971 "configure"
+#line 4997 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4990,7 +5016,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4994: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5020: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -5012,7 +5038,7 @@ EOF
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for isnan in library m""... $ac_c" 1>&6
-echo "configure:5016: checking for isnan in library m" >&5
+echo "configure:5042: checking for isnan in library m" >&5
 ac_lib_var=`echo m'_'isnan | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5021,7 +5047,7 @@ else
 ac_save_LIBS="$LIBS"
 LIBS="m  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5025 "configure"
+#line 5051 "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
@@ -5032,7 +5058,7 @@ int main() {
 isnan()
 ; return 0; }
 EOF
-if { (eval echo configure:5036: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5062: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -5074,12 +5100,12 @@ ac_link='${CC-cc} -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_
 for ac_func in isinf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5078: checking for $ac_func" >&5
+echo "configure:5104: 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 5083 "configure"
+#line 5109 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5102,7 +5128,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5106: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5132: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -5124,7 +5150,7 @@ EOF
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for isinf in library m""... $ac_c" 1>&6
-echo "configure:5128: checking for isinf in library m" >&5
+echo "configure:5154: checking for isinf in library m" >&5
 ac_lib_var=`echo m'_'isinf | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5133,7 +5159,7 @@ else
 ac_save_LIBS="$LIBS"
 LIBS="m  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5137 "configure"
+#line 5163 "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
@@ -5144,7 +5170,7 @@ int main() {
 isinf()
 ; return 0; }
 EOF
-if { (eval echo configure:5148: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5174: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -5186,12 +5212,12 @@ ac_link='${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:5190: checking for $ac_func" >&5
+echo "configure:5216: 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 5195 "configure"
+#line 5221 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5214,7 +5240,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5218: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5244: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -5236,7 +5262,7 @@ EOF
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for mkstemp in library c""... $ac_c" 1>&6
-echo "configure:5240: checking for mkstemp in library c" >&5
+echo "configure:5266: checking for mkstemp in library c" >&5
 ac_lib_var=`echo c'_'mkstemp | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5245,7 +5271,7 @@ else
 ac_save_LIBS="$LIBS"
 LIBS="c  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5249 "configure"
+#line 5275 "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
@@ -5256,7 +5282,7 @@ int main() {
 mkstemp()
 ; return 0; }
 EOF
-if { (eval echo configure:5260: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5286: \"$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
@@ -5295,19 +5321,19 @@ done
 
 
 echo $ac_n "checking for va_copy""... $ac_c" 1>&6
-echo "configure:5299: checking for va_copy" >&5
+echo "configure:5325: checking for va_copy" >&5
 if eval "test \"`echo '$''{'cctk_cv_have_va_copy'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5304 "configure"
+#line 5330 "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:5311: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5337: \"$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
@@ -5334,7 +5360,7 @@ fi
 if test "X$PTHREADS" = 'Xyes'; then
   PTHREAD_LIBS=
   echo $ac_n "checking for main in library c_r""... $ac_c" 1>&6
-echo "configure:5338: checking for main in library c_r" >&5
+echo "configure:5364: checking for main in library c_r" >&5
 ac_lib_var=`echo c_r'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5343,14 +5369,14 @@ else
 ac_save_LIBS="$LIBS"
 LIBS="c_r  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5347 "configure"
+#line 5373 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:5354: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5380: \"$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
@@ -5371,7 +5397,7 @@ else
 fi
 
   echo $ac_n "checking for main in library pthread""... $ac_c" 1>&6
-echo "configure:5375: checking for main in library pthread" >&5
+echo "configure:5401: checking for main in library pthread" >&5
 ac_lib_var=`echo pthread'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5380,14 +5406,14 @@ else
 ac_save_LIBS="$LIBS"
 LIBS="pthread  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5384 "configure"
+#line 5410 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:5391: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5417: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -5406,7 +5432,7 @@ if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for main in library pthreads""... $ac_c" 1>&6
-echo "configure:5410: checking for main in library pthreads" >&5
+echo "configure:5436: checking for main in library pthreads" >&5
 ac_lib_var=`echo pthreads'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5415,14 +5441,14 @@ else
 ac_save_LIBS="$LIBS"
 LIBS="pthreads  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5419 "configure"
+#line 5445 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:5426: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5452: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -5888,7 +5914,7 @@ if test "x$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:5892: checking for X" >&5
+echo "configure:5918: checking for X" >&5
 
 # Check whether --with-x or --without-x was given.
 if test "${with_x+set}" = set; then
@@ -5950,12 +5976,12 @@ if test "$ac_x_includes" = NO; then
 
   # First, try using that file with no special directory specified.
 cat > conftest.$ac_ext <<EOF
-#line 5954 "configure"
+#line 5980 "configure"
 #include "confdefs.h"
 #include <$x_direct_test_include>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5959: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5985: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -6024,14 +6050,14 @@ if test "$ac_x_libraries" = NO; then
   ac_save_LIBS="$LIBS"
   LIBS="-l$x_direct_test_library $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 6028 "configure"
+#line 6054 "configure"
 #include "confdefs.h"
 
 int main() {
 ${x_direct_test_function}()
 ; return 0; }
 EOF
-if { (eval echo configure:6035: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6061: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   LIBS="$ac_save_LIBS"
 # We can link X programs with no special library path.
@@ -6302,6 +6328,11 @@ s%@C_PROFILE_FLAGS@%$C_PROFILE_FLAGS%g
 s%@CXX_PROFILE_FLAGS@%$CXX_PROFILE_FLAGS%g
 s%@F77_PROFILE_FLAGS@%$F77_PROFILE_FLAGS%g
 s%@F90_PROFILE_FLAGS@%$F90_PROFILE_FLAGS%g
+s%@OPENMP_MODE@%$OPENMP_MODE%g
+s%@C_OPENMP_FLAGS@%$C_OPENMP_FLAGS%g
+s%@CXX_OPENMP_FLAGS@%$CXX_OPENMP_FLAGS%g
+s%@F77_OPENMP_FLAGS@%$F77_OPENMP_FLAGS%g
+s%@F90_OPENMP_FLAGS@%$F90_OPENMP_FLAGS%g
 s%@ARFLAGS@%$ARFLAGS%g
 s%@USE_RANLIB@%$USE_RANLIB%g
 s%@RANLIBFLAGS@%$RANLIBFLAGS%g
diff --git a/lib/make/configure.in b/lib/make/configure.in
index 380d9a1a..9484fc89 100644
--- a/lib/make/configure.in
+++ b/lib/make/configure.in
@@ -112,6 +112,22 @@ if test -n "$PROFILE" ; then
 fi
 
 
+#######################################################################
+# determine OPENMP_MODE from the OPENMP option
+# if this option isn't set OPENMP_MODE will default to 'no'
+
+OPENMP_MODE='no'
+if test -n "$OPENMP" ; then
+  changequote({, })
+  OPENMP=`echo $OPENMP | tr '[:upper:]' '[:lower:]'`
+  changequote([, ])
+  if test "$OPENMP" != 'yes' -a "$OPENMP" != 'no' ; then
+    AC_ERROR(Didn't recognize setting of OPENMP=\"$OPENMP\" (should be either \"yes\" or \"no\"))
+  fi
+  OPENMP_MODE=$OPENMP
+fi
+
+
 dnl Check the system type
 AC_CANONICAL_HOST
 
@@ -341,6 +357,15 @@ AC_SUBST(F77_PROFILE_FLAGS)
 AC_SUBST(F90_PROFILE_FLAGS)
 : ${F90_PROFILE_FLAGS='-pg'}
 
+
+# Set the OpenMP flags if they've not been set by now
+AC_SUBST(OPENMP_MODE)
+
+AC_SUBST(C_OPENMP_FLAGS)
+AC_SUBST(CXX_OPENMP_FLAGS)
+AC_SUBST(F77_OPENMP_FLAGS)
+AC_SUBST(F90_OPENMP_FLAGS)
+
 ##########################################################################
 
 # Deal with the Fortran compiler issues.
@@ -352,6 +377,7 @@ if test "x$F90" != "x" -a "x$F90" != "xnone" -a "x$F77" = "x" ; then
   F77_DEBUG_FLAGS=$F90_DEBUG_FLAGS
   F77_OPTIMISE_FLAGS=$F90_OPTIMISE_FLAGS
   F77_PROFILE_FLAGS=$F90_PROFILE_FLAGS
+  F77_OPENMP_FLAGS=$F90_OPENMP_FLAGS
 fi
 
 # Set default Fortran compilers
diff --git a/lib/make/known-architectures/aix b/lib/make/known-architectures/aix
index 515d6270..ed4f7a09 100644
--- a/lib/make/known-architectures/aix
+++ b/lib/make/known-architectures/aix
@@ -92,6 +92,7 @@ else
      : ${C_DEPEND_OUT=' > /dev/null ; mv $(basename $(basename $@)).u $@'}
      : ${CFLAGS="-q$AIX_BITS -qlanglvl=stdc99"}
      : ${C_OPTIMISE_FLAGS="-O3 -qarch=auto -qtune=auto -qcache=auto -qhot"}
+     : ${C_OPENMP_FLAGS='-qsmp=omp'}
      CC_VERSION=`$CC -qversion 2>&1 | head -n1`
      ;;
     *)
@@ -108,6 +109,7 @@ else
      : ${CXX_DEPEND_OUT=' > /dev/null ; mv $(basename $(basename $@)).u $@'}
      : ${CXXFLAGS="-q$AIX_BITS"}
      : ${CXX_OPTIMISE_FLAGS="-O3 -qarch=auto -qtune=auto -qcache=auto -qhot"}
+     : ${CXX_OPENMP_FLAGS='-qsmp=omp'}
      CXX_VERSION=`$CXX -qversion 2>&1 |head -n1`
      ;;
     *)
@@ -115,9 +117,10 @@ else
   esac
 
   case "$F90" in
-    xlf|xlf_r|xlf90|xlf90_r)
+    xlf|xlf_r|xlf90|xlf90_r|xlf95|xlf95_r)
      : ${F90FLAGS="-q$AIX_BITS"}
      : ${F90_OPTIMISE_FLAGS="-O3 -qarch=auto -qtune=auto -qcache=auto -qhot"}
+     : ${F90_OPENMP_FLAGS='-qsmp=omp'}
      ;;
     *)
      : ${F90_OPTIMISE_FLAGS="-O3"}
@@ -125,9 +128,10 @@ else
   esac
 
   case "$F77" in
-    xlf|xlf_r|xlf77|xlf77_r|xlf90|xlf90_r)
+    xlf|xlf_r|xlf77|xlf77_r|xlf90|xlf90_r|xlf95|xlf95_r)
      : ${FF77LAGS="-q$AIX_BITS"}
      : ${F77_OPTIMISE_FLAGS="-O3 -qarch=auto -qtune=auto -qcache=auto -qhot"}
+     : ${F77_OPENMP_FLAGS='-qsmp=omp'}
      ;;
     *)
      : ${F77_OPTIMISE_FLAGS="-O3"}
diff --git a/lib/make/known-architectures/linux b/lib/make/known-architectures/linux
index 0a94bf31..ac371291 100644
--- a/lib/make/known-architectures/linux
+++ b/lib/make/known-architectures/linux
@@ -145,8 +145,19 @@ else
         : ${LIBS='gfortran'}
         : ${LIBDIRS="$gnu95_libdir"}
       fi
-      F77_VERSION="`$F77 -dumpversion 2>&1 | grep -i version | head -n1`"
-      F90_VERSION="`$F90 -dumpversion 2>&1 | grep -i version | head -n1`"
+      F77_VERSION="`$F77 -dumpversion 2>&1 | head -n1`"
+      F90_VERSION="`$F90 -dumpversion 2>&1 | head -n1`"
+      # only gfortran versions 4.1 and higher support OpenMP
+      major_version=`echo $F77_VERSION | cut -f5 -d' ' | cut -f1 -d'.'`
+      minor_version=`echo $F77_VERSION | cut -f5 -d' ' | cut -f2 -d'.'`
+      if test ! \( $major_version -lt 4 -o \( $major_version = 4 -a $minor_version -lt 1 \) \) ; then
+        : ${F77_OPENMP_FLAGS='-fopenmp'}
+      fi
+      major_version=`echo $F90_VERSION | cut -f5 -d' ' | cut -f1 -d'.'`
+      minor_version=`echo $F90_VERSION | cut -f5 -d' ' | cut -f2 -d'.'`
+      if test ! \( $major_version -lt 4 -o \( $major_version = 4 -a $minor_version -lt 1 \) \) ; then
+        : ${F90_OPENMP_FLAGS='-fopenmp'}
+      fi
       ;;
     pacific)
       if test "$LINUX_G77_USES_LIBG2C" = 'yes' ; then
@@ -264,6 +275,9 @@ else
         : ${F90FLAGS='-align -w95'}
       fi
 
+      : ${F77_OPENMP_FLAGS='-openmp'}
+      : ${F90_OPENMP_FLAGS='-openmp'}
+
       intel_dir="$(dirname $(dirname $(which $F90)))"
 
       case "$host_cpu" in
@@ -314,6 +328,8 @@ else
     PathScale)
       : ${F77FLAGS='-fno-second-underscore'}
       : ${F90FLAGS='-fno-second-underscore'}
+      : ${F77_OPENMP_FLAGS='-openmp'}
+      : ${F90_OPENMP_FLAGS='-openmp'}
       : ${F77_OPTIMISE_FLAGS='-Ofast'}
       : ${F90_OPTIMISE_FLAGS='-Ofast'}
       if test "$OPTIMISE" != 'no'; then
@@ -346,6 +362,12 @@ else
       : ${CFLAGS='-pipe -std=gnu99'}
       : ${C_OPTIMISE_FLAGS='-O3'}
       CC_VERSION="`$CC -v 2>&1 | grep -i version | head -n1`"
+      major_version=`echo $CC_VERSION | cut -f3 -d' ' | cut -f1 -d'.'`
+      minor_version=`echo $CC_VERSION | cut -f3 -d' ' | cut -f2 -d'.'`
+      # only GCC versions 4.1 and higher support OpenMP
+      if test ! \( $major_version -lt 4 -o \( $major_version = 4 -a $minor_version -lt 1 \) \) ; then
+        : ${C_OPENMP_FLAGS='-fopenmp'}
+      fi
       ;;
     # Intel
     [ei]cc)
@@ -369,6 +391,7 @@ else
       fi
       : ${C_WARN_FLAGS="$c_warn_flags"}
       CC_VERSION="`$CC -V 2>&1 | grep -i version | head -n1`"
+      : ${C_OPENMP_FLAGS='-openmp'}
       ;;
     sgicc)
       : ${C_OPTIMISE_FLAGS='-O3'}
@@ -384,6 +407,7 @@ else
       : ${CFLAGS='-std=gnu99'}
       : ${C_OPTIMISE_FLAGS='-Ofast'}
       CC_VERSION="`$CC -v 2>&1 | grep -i version | head -n1`"
+      : ${C_OPENMP_FLAGS='-openmp'}
       ;;
   esac
 
@@ -393,6 +417,12 @@ else
       : ${CXXFLAGS='-pipe'}
       : ${CXX_OPTIMISE_FLAGS='-O3'}
       CXX_VERSION="`$CXX -v 2>&1 | grep -i version | head -n1`"
+      major_version=`echo $CXX_VERSION | cut -f3 -d' ' | cut -f1 -d'.'`
+      minor_version=`echo $CXX_VERSION | cut -f3 -d' ' | cut -f2 -d'.'`
+      # only GCC versions 4.1 and higher support OpenMP
+      if test ! \( $major_version -lt 4 -o \( $major_version = 4 -a $minor_version -lt 1 \) \) ; then
+        : ${CXX_OPENMP_FLAGS='-fopenmp'}
+      fi
       ;;
     # Intel
     [ei]cc | [ei]cpc)
@@ -423,6 +453,7 @@ else
       : ${CXX_WARN_FLAGS="$cxx_warn_flags"}
       : ${CXX_DEPEND='$(CXX) -M $(CPPFLAGS)'}
       CXX_VERSION="`$CXX -V 2>&1 | grep -i version | head -n1`"
+      : ${CXX_OPENMP_FLAGS='-openmp'}
       ;;
     sgiCC)
       : ${CXX_OPTIMISE_FLAGS='-O3'}
@@ -437,10 +468,12 @@ else
         : ${LDFLAGS='-Wl,--allow-multiple-definition'}
       fi
       CXX_VERSION="`$CXX -V 2>&1 | grep pgCC | head -n1`"
+      : ${CXX_OPENMP_FLAGS='-mp'}
       ;;
     pathCC)
       : ${CXX_OPTIMISE_FLAGS='-Ofast'}
       CXX_VERSION="`$CXX -v 2>&1 | grep -i version | head -n1`"
+      : ${CXX_OPENMP_FLAGS='-openmp'}
       ;;
   esac
 
diff --git a/lib/make/make.config.defn.in b/lib/make/make.config.defn.in
index 96839461..ad7571a8 100644
--- a/lib/make/make.config.defn.in
+++ b/lib/make/make.config.defn.in
@@ -75,6 +75,12 @@ CXX_PROFILE_FLAGS = @CXX_PROFILE_FLAGS@
 F90_PROFILE_FLAGS = @F90_PROFILE_FLAGS@
 F77_PROFILE_FLAGS = @F77_PROFILE_FLAGS@
 
+# OpenMP flags
+C_OPENMP_FLAGS   = @C_OPENMP_FLAGS@
+CXX_OPENMP_FLAGS = @CXX_OPENMP_FLAGS@
+F90_OPENMP_FLAGS = @F90_OPENMP_FLAGS@
+F77_OPENMP_FLAGS = @F77_OPENMP_FLAGS@
+
 # Warning flags
 C_WARN_FLAGS   = @C_WARN_FLAGS@
 CXX_WARN_FLAGS = @CXX_WARN_FLAGS@
@@ -217,6 +223,17 @@ ifeq ($(strip $(CCTK_PROFILE_MODE)),yes)
   F90FLAGS += $(F90_PROFILE_FLAGS)
 endif
 
+# Are we building with OpenMP support ?
+CCTK_OPENMP_MODE = @OPENMP_MODE@
+
+ifeq ($(strip $(CCTK_OPENMP_MODE)),yes)
+  CFLAGS   += $(C_OPENMP_FLAGS)
+  CXXFLAGS += $(CXX_OPENMP_FLAGS)
+  F77FLAGS += $(F77_OPENMP_FLAGS)
+  F90FLAGS += $(F90_OPENMP_FLAGS)
+  FPPFLAGS += -D_OPENMP
+endif
+
 # Are we building with all warnings switched on ?
 # This option may be overwritten at compile time.
 ifeq ($(WARN),)