diff options
Diffstat (limited to 'm4/time_r.m4')
| -rw-r--r-- | m4/time_r.m4 | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/m4/time_r.m4 b/m4/time_r.m4 index 9e82d39ffb..f9bed0c5c8 100644 --- a/m4/time_r.m4 +++ b/m4/time_r.m4 @@ -15,8 +15,16 @@ AC_DEFUN([gl_TIME_R], AC_REQUIRE([gl_HEADER_TIME_H_DEFAULTS]) AC_REQUIRE([AC_C_RESTRICT]) + dnl Some systems don't declare localtime_r() and gmtime_r() if _REENTRANT is + dnl not defined. + AC_CHECK_DECLS_ONCE([localtime_r]) + if test $ac_cv_have_decl_localtime_r = no; then + HAVE_DECL_LOCALTIME_R=0 + fi + AC_CHECK_FUNCS_ONCE([localtime_r]) if test $ac_cv_func_localtime_r = yes; then + HAVE_LOCALTIME_R=1 AC_CACHE_CHECK([whether localtime_r is compatible with its POSIX signature], [gl_cv_time_r_posix], [AC_COMPILE_IFELSE( |