summaryrefslogtreecommitdiff
path: root/configure.in
diff options
context:
space:
mode:
authorFelipe Pena <felipe@php.net>2011-11-15 20:33:26 (GMT)
committerFelipe Pena <felipe@php.net>2011-11-15 20:33:26 (GMT)
commit42776c0259b94d63e82f869442e8ee7f27a33387 (patch)
tree37738d49353661737573f807be0b86be39192916 /configure.in
parentb6530d8978aab57eebd17f6076035f786ae1693b (diff)
downloadphp-42776c0259b94d63e82f869442e8ee7f27a33387.tar.gz
- Fixed bug #55874 (GCC does not provide __sync_fetch_and_add on some archs)
patch by: klightspeed at netspace dot net dot au
Diffstat (limited to 'configure.in')
-rw-r--r--configure.in7
1 files changed, 7 insertions, 0 deletions
diff --git a/configure.in b/configure.in
index a63afa7..3ab1e46 100644
--- a/configure.in
+++ b/configure.in
@@ -661,6 +661,13 @@ if test "$ac_cv_func_getaddrinfo" = yes; then
AC_DEFINE(HAVE_GETADDRINFO,1,[Define if you have the getaddrinfo function])
fi
+dnl Check for the __sync_fetch_and_add builtin
+AC_CACHE_CHECK([for __sync_fetch_and_add], ac_cv_func_sync_fetch_and_add,
+[AC_TRY_LINK([],[int x;__sync_fetch_and_add(&x,1);],ac_cv_func_sync_fetch_and_add=yes,ac_cv_func_sync_fetch_and_add=no)])
+if test "$ac_cv_func_sync_fetch_and_add" = yes; then
+ AC_DEFINE(HAVE_SYNC_FETCH_AND_ADD,1,[Define if you have the __sync_fetch_and_add function])
+fi
+
AC_REPLACE_FUNCS(strlcat strlcpy getopt)
AC_FUNC_UTIME_NULL
AC_FUNC_ALLOCA