.

[gnulib.git] / m4 / strftime.m4

diff --git a/m4/strftime.m4 b/m4/strftime.m4
index e2074ab..1297216 100644 (file)
--- a/m4/strftime.m4
+++ b/m4/strftime.m4
@@ -1,14 +1,25 @@
-#serial 6
+#serial 8
 
 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.
+
+ AC_CHECK_HEADERS(limits.h)
+ AC_CHECK_FUNCS(bcopy tzset mempcpy memcpy memset)
+
+ # This defines (or not) HAVE_TZNAME and HAVE_TM_ZONE.
+ AC_STRUCT_TIMEZONE
+
+ AC_CHECK_FUNCS(mblen mbrlen)
+
+ AC_CHECK_MEMBER(struct tm.tm_gmtoff,
+                 [AC_DEFINE(HAVE_TM_GMTOFF, 1,
+                            [Define if struct tm has the tm_gmtoff member.])],
+                 ,
+                 [#include <time.h>])
 ])
 
 dnl Determine if the strftime function has all the features of the GNU one.
@@ -104,7 +115,6 @@ main ()
   CMP ("%^c", "FRI JAN  9 13:06:07 1970");
   CMP ("%d", "09");
   CMP ("%e", " 9");            /* POSIX.2 */
-  CMP ("%f", "5");             /* POSIX.2 */
   CMP ("%g", "70");            /* GNU */
   CMP ("%h", "Jan");           /* POSIX.2 */
   CMP ("%^h", "JAN");
@@ -133,6 +143,7 @@ changequote([, ])dnl
             jm_cv_func_working_gnu_strftime=no)
   ])
   if test $jm_cv_func_working_gnu_strftime = no; then
+    AC_SUBST(LIBOBJS)
     LIBOBJS="$LIBOBJS strftime.$ac_objext"
     AC_DEFINE_UNQUOTED(strftime, gnu_strftime,
       [Define to gnu_strftime if the replacement function should be used.])