diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/configure.in b/configure.in index 4bba1828c6..b70f95d722 100644 --- a/configure.in +++ b/configure.in @@ -300,8 +300,17 @@ AC_CHECK_FUNCS(fmod killpg drand48 random wait4 waitpid syscall chroot\ setitimer setruid seteuid setreuid setresuid setproctitle\ setrgid setegid setregid setresgid pause lchown lchmod\ getpgrp setpgrp getpgid setpgid getgroups getpriority getrlimit\ - dlopen sigprocmask sigaction _setjmp setsid telldir seekdir fchmod) + dlopen sigprocmask sigaction _setjmp setsid telldir seekdir fchmod\ + mktime timegm) AC_STRUCT_TIMEZONE +AC_CACHE_CHECK(for struct tm.tm_gmtoff, rb_cv_member_struct_tm_tm_gmtoff, + [AC_TRY_COMPILE([#include <time.h>], + [struct tm t; t.tm_gmtoff = 3600;], + [rb_cv_member_struct_tm_tm_gmtoff=yes], + [rb_cv_member_struct_tm_tm_gmtoff=no])]) +if test "$rb_cv_member_struct_tm_tm_gmtoff" = yes; then + AC_DEFINE(HAVE_STRUCT_TM_TM_GMTOFF) +fi AC_CACHE_CHECK(for external int daylight, rb_cv_have_daylight, [AC_TRY_LINK([#include <time.h> int i;], @@ -337,7 +346,7 @@ main() struct tm *tm; check(gmtime(&t), 69, 12, 31, 23, 59); - t = -0x80000000; + t = ~(time_t)0 << 31; check(gmtime(&t), 1, 12, 13, 20, 52); return 0; } |