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| author | Tobias Burnus <burnus@net-b.de> | 2012-05-23 10:34:06 +0200 |
|---|---|---|
| committer | Tobias Burnus <burnus@gcc.gnu.org> | 2012-05-23 10:34:06 +0200 |
| commit | 4179e59afafbe4c5eb00b0a82da11db7cc5a1a8c (patch) | |
| tree | d08f712df5fe7cd79a42d70f17fd6a12386816f3 /libgfortran/acinclude.m4 | |
| parent | f883872b10c06e67e59d3e0f192b804dc5ec3121 (diff) | |
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re PR libfortran/53444 (Accommodate non-compliant strerror_r() on VxWorks.)
2012-05-23 Tobias Burnus <burnus@net-b.de>
PR libfortran/53444
* acinclude.m4 (LIBGFOR_CHECK_STRERROR_R): Add configure checks
* for
two- and three-argument versions of strerror_r.
* configure.ac (LIBGFOR_CHECK_STRERROR_R): Use it.
* runtime/error.c (gf_strerror): Handle two-argument version
of strerror_r.
* config.h.in: Regenerate.
* configure: Regenerate.
From-SVN: r187796
Diffstat (limited to 'libgfortran/acinclude.m4')
| -rw-r--r-- | libgfortran/acinclude.m4 | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/libgfortran/acinclude.m4 b/libgfortran/acinclude.m4 index 1b11e6a..d101261 100644 --- a/libgfortran/acinclude.m4 +++ b/libgfortran/acinclude.m4 @@ -362,3 +362,29 @@ AC_DEFUN([LIBGFOR_CHECK_FLOAT128], [ dnl We need a conditional for the Makefile AM_CONDITIONAL(LIBGFOR_BUILD_QUAD, [test "x$libgfor_cv_have_float128" = xyes]) ]) + + +dnl Check whether we have strerror_r +AC_DEFUN([LIBGFOR_CHECK_STRERROR_R], [ + dnl Check for three-argument POSIX version of strerror_r + ac_save_CFLAGS="$CFLAGS" + CFLAGS="-Wimplicit-function-declaration -Werror" + AC_TRY_COMPILE([#define _GNU_SOURCE 1 + #include <string.h> + #include <locale.h>], + [char s[128]; strerror_r(5, s, 128);], + AC_DEFINE(HAVE_STRERROR_R, 1, + [Define if strerror_r is available in <string.h>.]),) + CFLAGS="$ac_save_CFLAGS" + + dnl Check for two-argument version of strerror_r (e.g. for VxWorks) + ac_save_CFLAGS="$CFLAGS" + CFLAGS="-Wimplicit-function-declaration -Werror" + AC_TRY_COMPILE([#define _GNU_SOURCE 1 + #include <string.h> + #include <locale.h>], + [char s[128]; strerror_r(5, s);], + AC_DEFINE(HAVE_STRERROR_R_2ARGS, 1, + [Define if strerror_r takes two arguments and is available in <string.h>.]),) + CFLAGS="$ac_save_CFLAGS" +]) |