diff options
author | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2001-02-20 07:42:03 +0000 |
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committer | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2001-02-20 07:42:03 +0000 |
commit | 88eef2d7fec7a3380f495d768c72d1292260ea18 (patch) | |
tree | 3babd1780de60f5918ec26d7c516b2495d4302cc /configure.in | |
parent | 86833594ff917d578aa24a4536995fa6573300a6 (diff) |
* configure.in: add check for negative time_t for gmtime(3).
* time.c (time_new_internal): no positive check if gmtime(3) can
handle negative time_t.
* time.c (time_timeval): ditto.
* bignum.c (rb_big2long): should not raise RangeError for Bignum
LONG_MIN value.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@1205 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'configure.in')
-rw-r--r-- | configure.in | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/configure.in b/configure.in index 0c4f0ad94a..9d42330a2a 100644 --- a/configure.in +++ b/configure.in @@ -261,6 +261,42 @@ AC_CACHE_CHECK(for external int daylight, rb_cv_have_daylight, if test "$rb_cv_have_daylight" = yes; then AC_DEFINE(HAVE_DAYLIGHT) fi +AC_CACHE_CHECK(for negative time_t for gmtime(3), rb_cv_negative_time_t, + [AC_TRY_RUN([ +#include <time.h> + +void +check(tm, y, m, d, h, s) + struct tm *tm; + int y, m, d, h, s; +{ + if (tm->tm_year != y || + tm->tm_mon != m-1 || + tm->tm_mday != d || + tm->tm_hour != h || + tm->tm_sec != s) { + exit(1); + } +} + +int +main() +{ + time_t t = -1; + struct tm *tm; + + check(gmtime(&t), 69, 12, 31, 23, 59); + t = -0x80000000; + check(gmtime(&t), 1, 12, 13, 20, 52); + return 0; +} +], + rb_cv_negative_time_t=yes, + rb_cv_negative_time_t=no, + rb_cv_negative_time_t=yes)]) +if test "$rb_cv_negative_time_t" = yes; then + AC_DEFINE(NEGATIVE_TIME_T) +fi if test "$ac_cv_func_sigprocmask" = yes && test "$ac_cv_func_sigaction" = yes; then AC_DEFINE(POSIX_SIGNAL) |