diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/configure.in b/configure.in index 71aaa29ed4..242ce7f172 100644 --- a/configure.in +++ b/configure.in @@ -209,9 +209,13 @@ AC_CHECK_FUNCS(fmod killpg drand48 random wait4 waitpid syscall getcwd\ getpgrp setpgrp getpgid setpgid getgroups getpriority\ dlopen sigprocmask sigaction _setjmp setsid getrlimit) AC_STRUCT_TIMEZONE -if test "$ac_cv_func_strftime" = no; then - AC_TRY_LINK([], - [extern int daylight; int i = daylight;], AC_DEFINE(HAVE_DAYLIGHT)) +AC_CACHE_CHECK(for external int daylight, rb_cv_have_daylight, + [AC_TRY_LINK([], + [extern int daylight; int i = daylight;], + rb_cv_have_daylight=yes, + rb_cv_have_daylight=no)]) +if test "$rb_cv_have_daylight" = yes; then + AC_DEFINE(HAVE_DAYLIGHT) fi if test "$ac_cv_func_sigprocmask" = yes && test "$ac_cv_func_sigaction" = yes; then |