Added configure check for finite(3).

git-svn-id: http://svn.cactuscode.org/flesh/trunk@2135 17b73243-c579-4c4c-a9d2-2d5706c11dac

3 files changed, 131 insertions, 12 deletions

diff --git a/lib/make/cctk_Config.h.in b/lib/make/cctk_Config.h.in
index b2336427..0a8e5dba 100644
--- a/lib/make/cctk_Config.h.in
+++ b/lib/make/cctk_Config.h.in
@@ -78,6 +78,7 @@
 #undef HAVE_GETHOSTBYNAME
 #undef HAVE_GETOPT_LONG_ONLY
 #undef HAVE_CRYPT
+#undef HAVE_FINITE
 
 /* Do we have mode_t ? */
 
diff --git a/lib/make/configure b/lib/make/configure
index 3e35c316..297cc5c2 100755
--- a/lib/make/configure
+++ b/lib/make/configure
@@ -3816,11 +3816,124 @@ 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'
+for ac_func in finite
+do
+echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
+echo "configure:3824: 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 3829 "configure"
+#include "confdefs.h"
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $ac_func(); below.  */
+#include <assert.h>
+/* Override any gcc2 internal prototype to avoid an error.  */
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char $ac_func();
+
+int main() {
+
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
+choke me
+#else
+$ac_func();
+#endif
+
+; return 0; }
+EOF
+if { (eval echo configure:3852: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  eval "ac_cv_func_$ac_func=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_func_$ac_func=no"
+fi
+rm -f conftest*
+fi
+
+if eval "test \"`echo '$ac_cv_func_'$ac_func`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+    ac_tr_func=HAVE_`echo $ac_func | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
+  cat >> confdefs.h <<EOF
+#define $ac_tr_func 1
+EOF
+ 
+else
+  echo "$ac_t""no" 1>&6
+echo $ac_n "checking for finite in library m""... $ac_c" 1>&6
+echo "configure:3874: checking for finite in library m" >&5
+ac_lib_var=`echo m'_'finite | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_link='${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'
+ac_save_LIBS="$LIBS"
+LIBS="m  $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 3883 "configure"
+#include "confdefs.h"
+/* Override any gcc2 internal prototype to avoid an error.  */
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char finite();
+
+int main() {
+finite()
+; return 0; }
+EOF
+if { (eval echo configure:3894: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=no"
+fi
+rm -f conftest*
+LIBS="$ac_save_LIBS"
+
+fi
+if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+    cctk_tr_lib=HAVE_LIB`echo m | sed -e 's/^a-zA-Z0-9_/_/g' \
+    -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
+  cctk_tr_func=HAVE_`echo finite | sed -e 's/^a-zA-Z0-9_/_/g' \
+    -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
+  cat >> confdefs.h <<EOF
+#define $cctk_tr_lib 1
+EOF
+
+  cat >> confdefs.h <<EOF
+#define $cctk_tr_func 1
+EOF
+
+  LIBS="m $LIBS"
+
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+fi
+done
+
+
+
+
 
 if test "X$PTHREADS" = "Xyes"; then
   PTHREAD_LIBS=
   echo $ac_n "checking for main in library c_r""... $ac_c" 1>&6
-echo "configure:3824: checking for main in library c_r" >&5
+echo "configure:3937: checking for main in library c_r" >&5
 ac_lib_var=`echo c_r'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3829,14 +3942,14 @@ else
 ac_save_LIBS="$LIBS"
 LIBS="c_r  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3833 "configure"
+#line 3946 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:3840: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3953: \"$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
@@ -3857,7 +3970,7 @@ else
 fi
 
   echo $ac_n "checking for main in library pthread""... $ac_c" 1>&6
-echo "configure:3861: checking for main in library pthread" >&5
+echo "configure:3974: checking for main in library pthread" >&5
 ac_lib_var=`echo pthread'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3866,14 +3979,14 @@ else
 ac_save_LIBS="$LIBS"
 LIBS="pthread  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3870 "configure"
+#line 3983 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:3877: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3990: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3892,7 +4005,7 @@ if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for main in library pthreads""... $ac_c" 1>&6
-echo "configure:3896: checking for main in library pthreads" >&5
+echo "configure:4009: checking for main in library pthreads" >&5
 ac_lib_var=`echo pthreads'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3901,14 +4014,14 @@ else
 ac_save_LIBS="$LIBS"
 LIBS="pthreads  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3905 "configure"
+#line 4018 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:3912: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4025: \"$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
diff --git a/lib/make/configure.in b/lib/make/configure.in
index 5ebcfb60..f31b2bb8 100644
--- a/lib/make/configure.in
+++ b/lib/make/configure.in
@@ -486,7 +486,9 @@ AC_DEFINE(HAVE_BOOL))
   AC_LANG_RESTORE
 fi
 
-dnl Misc stuff
+dnl #######################################################################
+dnl ############################ Misc stuff ###############################
+dnl #######################################################################
 
 dnl Do we need to build the GNU getopt and regex stuff ?
 
@@ -510,8 +512,11 @@ fi
 
 dnl Do we have crypt(3)
 
-CCTK_CHECK_FUNC(crypt, ,
-CCTK_CHECK_LIB_FUNC(crypt, crypt))
+CCTK_CHECK_FUNC(crypt, , CCTK_CHECK_LIB_FUNC(crypt, crypt))
+
+dnl Do we have finite(3)
+
+CCTK_CHECK_FUNCS(finite, , CCTK_CHECK_LIB_FUNC(m, finite))
 
 
 dnl Checks for availability of pthreads library.