diff options
| author | sje <sje@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-01-23 21:17:15 +0000 |
|---|---|---|
| committer | sje <sje@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-01-23 21:17:15 +0000 |
| commit | e1150b06d0409baf4b71121be0cafeab180f2858 (patch) | |
| tree | 653ae282650fbf9b6ae0cf8824160ca78993a7b0 /libstdc++-v3/acinclude.m4 | |
| parent | 2623625f033ac40b5b72064a2031ba8fb078d3bd (diff) | |
2014-01-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
Steve Ellcey <sellcey@mips.com>
* acinclude.m4 (GLIBCXX_CHECK_TMPNAM): New check for tmpnam
function.
* configure.ac: Use GLIBCXX_CHECK_TMPNAM.
* (configure, config.h.in): Regenerate.
* include/c_global/cstdio: Guard ::tmpnam with _GLIBCXX_USE_TMPNAM
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@207009 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libstdc++-v3/acinclude.m4')
| -rw-r--r-- | libstdc++-v3/acinclude.m4 | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/libstdc++-v3/acinclude.m4 b/libstdc++-v3/acinclude.m4 index fcdcd9ac865..2b606968895 100644 --- a/libstdc++-v3/acinclude.m4 +++ b/libstdc++-v3/acinclude.m4 @@ -3771,6 +3771,33 @@ AC_DEFUN([GLIBCXX_ENABLE_WERROR], [ GLIBCXX_CONDITIONAL(ENABLE_WERROR, test $enable_werror = yes) ]) +dnl +dnl Check whether obsolescent tmpnam is available in <stdio.h>, +dnl and define _GLIBCXX_USE_TMPNAM. +dnl +AC_DEFUN([GLIBCXX_CHECK_TMPNAM], [dnl +dnl + AC_LANG_SAVE + AC_LANG_CPLUSPLUS + ac_save_CXXFLAGS="$CXXFLAGS" + CXXFLAGS="$CXXFLAGS -fno-exceptions" +dnl + AC_MSG_CHECKING([for tmpnam]) + AC_CACHE_VAL(glibcxx_cv_TMPNAM, [dnl + GCC_TRY_COMPILE_OR_LINK( + [#include <stdio.h>], + [char *tmp = tmpnam(NULL);], + [glibcxx_cv_TMPNAM=yes], + [glibcxx_cv_TMPNAM=no]) + ]) + if test $glibcxx_cv_TMPNAM = yes; then + AC_DEFINE(_GLIBCXX_USE_TMPNAM, 1, [Define if obsolescent tmpnam is available in <stdio.h>.]) + fi + AC_MSG_RESULT($glibcxx_cv_TMPNAM) +dnl + CXXFLAGS="$ac_save_CXXFLAGS" + AC_LANG_RESTORE +]) dnl dnl Check to see if sys/sdt.h exists and that it is suitable for use. |