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(