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| author | Werner Koch <wk@gnupg.org> | 2010-10-27 13:26:53 +0200 |
|---|---|---|
| committer | Werner Koch <wk@gnupg.org> | 2010-10-27 13:26:53 +0200 |
| commit | 2e82b095cd2ebd3ecc1635bb5cbe65eb99de7ae7 (patch) | |
| tree | b87aea270583496526aff9f82b927f6298662451 /acinclude.m4 | |
| parent | Honor TMPDIR. (diff) | |
| download | gnupg2-2e82b095cd2ebd3ecc1635bb5cbe65eb99de7ae7.tar.xz gnupg2-2e82b095cd2ebd3ecc1635bb5cbe65eb99de7ae7.zip | |
Better support unsigned time_t
Diffstat (limited to 'acinclude.m4')
| -rw-r--r-- | acinclude.m4 | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/acinclude.m4 b/acinclude.m4 index 28366ee38..a37e0f528 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -305,5 +305,28 @@ fi ]) - - +# GNUPG_TIME_T_UNSIGNED +# Check whether time_t is unsigned +# +AC_DEFUN([GNUPG_TIME_T_UNSIGNED], + [ AC_CACHE_CHECK(whether time_t is unsigned, gnupg_cv_time_t_unsigned, + [AC_REQUIRE([AC_HEADER_TIME])dnl + AC_COMPILE_IFELSE([AC_LANG_BOOL_COMPILE_TRY( + [AC_INCLUDES_DEFAULT([]) +#if TIME_WITH_SYS_TIME +# include <sys/time.h> +# include <time.h> +#else +# if HAVE_SYS_TIME_H +# include <sys/time.h> +# else +# include <time.h> +# endif +#endif +], + [((time_t)-1) < 0])], + gnupg_cv_time_t_unsigned=no, gnupg_cv_time_t_unsigned=yes)]) + if test $gnupg_cv_time_t_unsigned = yes; then + AC_DEFINE(HAVE_UNSIGNED_TIME_T,1,[Defined if time_t is an unsigned type]) + fi +])# GNUPG_TIME_T_UNSIGNED |