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- Fixed bug #55874 (GCC does not provide __sync_fetch_and_add on some archs)

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patch by: klightspeed at netspace dot net dot au
This commit is contained in:
Felipe Pena 2011-11-15 20:33:26 +00:00
parent 32c4c239c0
commit 3d19038838
2 changed files with 8 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

7
configure.in
View file

@ -737,6 +737,13 @@ 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

3
ext/standard/php_crypt_r.c
View file

@ -94,8 +94,7 @@ void _crypt_extended_init_r(void)
if (!initialized) {
#ifdef PHP_WIN32
InterlockedIncrement(&initialized);
#elif (defined(__GNUC__) && !defined(__hpux) && !defined(__hppa__) && (__GNUC__ > 4 || \
(__GNUC__ == 4 && (__GNUC_MINOR__ > 1 || (__GNUC_MINOR__ == 1 && __GNUC_PATCHLEVEL__ > 1)))))
#elif defined(HAVE_SYNC_FETCH_AND_ADD)
__sync_fetch_and_add(&initialized, 1);
#elif defined(HAVE_ATOMIC_H) /* Solaris 10 defines atomic API within */
membar_producer();