Check for availability of va_copy(3).

git-svn-id: http://svn.cactuscode.org/flesh/trunk@4052 17b73243-c579-4c4c-a9d2-2d5706c11dac

3 files changed, 63 insertions, 9 deletions

diff --git a/lib/make/cctk_Config.h.in b/lib/make/cctk_Config.h.in
index 87b1c10a..fc9cc4a5 100644
--- a/lib/make/cctk_Config.h.in
+++ b/lib/make/cctk_Config.h.in
@@ -22,6 +22,7 @@
 #undef HAVE_FINITE
 #undef HAVE_ISNAN
 #undef HAVE_MKSTEMP
+#undef HAVE_VA_COPY
 
 /* Do we have mode_t ? */
 #undef HAVE_MODE_T
diff --git a/lib/make/configure b/lib/make/configure
index d3e34ea4..63653706 100755
--- a/lib/make/configure
+++ b/lib/make/configure
@@ -4434,10 +4434,47 @@ done
 
 
 
+echo $ac_n "checking for va_copy""... $ac_c" 1>&6
+echo "configure:4439: checking for va_copy" >&5
+if eval "test \"`echo '$''{'cctk_cv_have_va_copy'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 4444 "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:4451: \"$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
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "cctk_cv_have_va_copy=no"
+fi
+rm -f conftest*
+
+fi
+
+if test "$cctk_cv_have_va_copy" = 'yes'; then
+  cat >> confdefs.h <<\EOF
+#define HAVE_VA_COPY 1
+EOF
+
+  echo "$ac_t""yes" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+
 if test "X$PTHREADS" = 'Xyes'; then
   PTHREAD_LIBS=
   echo $ac_n "checking for main in library c_r""... $ac_c" 1>&6
-echo "configure:4441: checking for main in library c_r" >&5
+echo "configure:4478: checking for main in library c_r" >&5
 ac_lib_var=`echo c_r'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4446,14 +4483,14 @@ else
 ac_save_LIBS="$LIBS"
 LIBS="c_r  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4450 "configure"
+#line 4487 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:4457: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4494: \"$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
@@ -4474,7 +4511,7 @@ else
 fi
 
   echo $ac_n "checking for main in library pthread""... $ac_c" 1>&6
-echo "configure:4478: checking for main in library pthread" >&5
+echo "configure:4515: checking for main in library pthread" >&5
 ac_lib_var=`echo pthread'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4483,14 +4520,14 @@ else
 ac_save_LIBS="$LIBS"
 LIBS="pthread  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4487 "configure"
+#line 4524 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:4494: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4531: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4509,7 +4546,7 @@ if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for main in library pthreads""... $ac_c" 1>&6
-echo "configure:4513: checking for main in library pthreads" >&5
+echo "configure:4550: checking for main in library pthreads" >&5
 ac_lib_var=`echo pthreads'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4518,14 +4555,14 @@ else
 ac_save_LIBS="$LIBS"
 LIBS="pthreads  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4522 "configure"
+#line 4559 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:4529: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4566: \"$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 416814ae..f9a534fb 100644
--- a/lib/make/configure.in
+++ b/lib/make/configure.in
@@ -541,6 +541,22 @@ CCTK_CHECK_FUNCS(isnan, , CCTK_CHECK_LIB_FUNC(m, isnan))
 dnl Do we have mkstemp(3)
 CCTK_CHECK_FUNCS(mkstemp, , CCTK_CHECK_LIB_FUNC(c, mkstemp))
 
+dnl Do we have va_copy(3)
+AC_MSG_CHECKING([for va_copy])
+AC_CACHE_VAL(cctk_cv_have_va_copy,
+[AC_TRY_LINK(
+[#include <stdarg.h>],
+[va_list src, dest; va_copy(dest, src); return 0], eval "cctk_cv_have_va_copy=yes",
+eval "cctk_cv_have_va_copy=no")
+])
+if test "$cctk_cv_have_va_copy" = 'yes'; then
+  AC_DEFINE(HAVE_VA_COPY)
+  AC_MSG_RESULT(yes)
+else
+  AC_MSG_RESULT(no)
+fi
+
+
 dnl Checks for availability of pthreads library.
 if test "X$PTHREADS" = 'Xyes'; then
   PTHREAD_LIBS=