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| author | Bernhard Reutner-Fischer <aldot@gcc.gnu.org> | 2014-01-23 22:17:15 +0100 |
|---|---|---|
| committer | Steve Ellcey <sje@gcc.gnu.org> | 2014-01-23 21:17:15 +0000 |
| commit | 7370b9df65e5d88148d1d3feffc90fdff00bc1af (patch) | |
| tree | 653ae282650fbf9b6ae0cf8824160ca78993a7b0 /libstdc++-v3/configure | |
| parent | 393e8e8b0ca526d8909ace6303785dd522b1c8ce (diff) | |
| download | gcc-7370b9df65e5d88148d1d3feffc90fdff00bc1af.zip gcc-7370b9df65e5d88148d1d3feffc90fdff00bc1af.tar.gz gcc-7370b9df65e5d88148d1d3feffc90fdff00bc1af.tar.bz2 | |
acinclude.m4 (GLIBCXX_CHECK_TMPNAM): New check for tmpnam function.
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
Co-Authored-By: Steve Ellcey <sellcey@mips.com>
From-SVN: r207009
Diffstat (limited to 'libstdc++-v3/configure')
| -rwxr-xr-x | libstdc++-v3/configure | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure index 448bee3..d279951 100755 --- a/libstdc++-v3/configure +++ b/libstdc++-v3/configure @@ -20120,6 +20120,81 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu +# Check for tmpnam which is obsolescent in POSIX.1-2008 + + ac_ext=cpp +ac_cpp='$CXXCPP $CPPFLAGS' +ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_cxx_compiler_gnu + + ac_save_CXXFLAGS="$CXXFLAGS" + CXXFLAGS="$CXXFLAGS -fno-exceptions" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for tmpnam" >&5 +$as_echo_n "checking for tmpnam... " >&6; } + if test "${glibcxx_cv_TMPNAM+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test x$gcc_no_link = xyes; then + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <stdio.h> +int +main () +{ +char *tmp = tmpnam(NULL); + ; + return 0; +} +_ACEOF +if ac_fn_cxx_try_compile "$LINENO"; then : + glibcxx_cv_TMPNAM=yes +else + glibcxx_cv_TMPNAM=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +else + if test x$gcc_no_link = xyes; then + as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 +fi +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <stdio.h> +int +main () +{ +char *tmp = tmpnam(NULL); + ; + return 0; +} +_ACEOF +if ac_fn_cxx_try_link "$LINENO"; then : + glibcxx_cv_TMPNAM=yes +else + glibcxx_cv_TMPNAM=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi + +fi + + if test $glibcxx_cv_TMPNAM = yes; then + +$as_echo "#define _GLIBCXX_USE_TMPNAM 1" >>confdefs.h + + fi + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_TMPNAM" >&5 +$as_echo "$glibcxx_cv_TMPNAM" >&6; } + CXXFLAGS="$ac_save_CXXFLAGS" + ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + + ac_fn_c_check_header_mongrel "$LINENO" "locale.h" "ac_cv_header_locale_h" "$ac_includes_default" if test "x$ac_cv_header_locale_h" = x""yes; then : |