-#serial 3
+#serial 6
+dnl This macro is intended to be used solely in this file.
+dnl These are the prerequisite macros for GNU's strftime.c replacement.
+dnl FIXME: the list is far from complete
+AC_DEFUN(_jm_STRFTIME_PREREQS,
+[
+ dnl strftime.c uses localtime_r if it exists. Check for it.
+ AC_CHECK_FUNCS(localtime_r)
+ dnl FIXME: add tests for everything in strftime.c: e.g., HAVE_BCOPY,
+ dnl HAVE_TZNAME, HAVE_TZSET, HAVE_TM_ZONE, etc.
+])
+
+dnl Determine if the strftime function has all the features of the GNU one.
+dnl
dnl From Jim Meyering.
-dnl If you use this macro in a package, you should
-dnl add the following two lines to acconfig.h:
-dnl /* Define to gnu_strftime if the replacement function should be used. */
-dnl #undef strftime
dnl
AC_DEFUN(jm_FUNC_GNU_STRFTIME,
[AC_REQUIRE([AC_HEADER_TIME])dnl
+
+ _jm_STRFTIME_PREREQS
+
AC_REQUIRE([AC_C_CONST])dnl
AC_REQUIRE([AC_HEADER_STDC])dnl
AC_CHECK_HEADERS(sys/time.h)
CMP ("%^B", "JANUARY");
CMP ("%C", "19"); /* POSIX.2 */
CMP ("%D", "01/09/70"); /* POSIX.2 */
+ CMP ("%F", "1970-01-09");
CMP ("%G", "1970"); /* GNU */
CMP ("%H", "13");
CMP ("%I", "01");
jm_cv_func_working_gnu_strftime=no)
])
if test $jm_cv_func_working_gnu_strftime = no; then
- LIBOBJS="$LIBOBJS strftime.o"
- AC_DEFINE_UNQUOTED(strftime, gnu_strftime)
+ AC_SUBST(LIBOBJS)
+ LIBOBJS="$LIBOBJS strftime.$ac_objext"
+ AC_DEFINE_UNQUOTED(strftime, gnu_strftime,
+ [Define to gnu_strftime if the replacement function should be used.])
fi
])
+
+AC_DEFUN(jm_FUNC_STRFTIME,
+[
+ _jm_STRFTIME_PREREQS
+ AC_REPLACE_FUNCS(strftime)
+])