(jm_FUNC_GNU_STRFTIME):

Don't bother to check library strftime, since
we'll be using our own my_strftime function anyway.
Define my_strftime instead of strftime.

diff --git a/m4/strftime.m4 b/m4/strftime.m4
index caeb21f..1a0559e 100644 (file)
--- a/m4/strftime.m4
+++ b/m4/strftime.m4
@@ -1,4 +1,4 @@
-#serial 15
+#serial 16
 
 dnl This macro is intended to be used solely in this file.
 dnl These are the prerequisite macros for GNU's strftime.c replacement.
@@ -23,8 +23,6 @@ AC_DEFUN(_jm_STRFTIME_PREREQS,
                  [#include <time.h>])
 ])
 
-dnl Determine if the strftime function has all the features of the GNU one.
-dnl
 dnl From Jim Meyering.
 dnl
 AC_DEFUN(jm_FUNC_GNU_STRFTIME,
@@ -35,121 +33,9 @@ AC_DEFUN(jm_FUNC_GNU_STRFTIME,
  AC_REQUIRE([AC_C_CONST])dnl
  AC_REQUIRE([AC_HEADER_STDC])dnl
  AC_CHECK_HEADERS(sys/time.h)
- AC_CACHE_CHECK([for working GNU strftime], jm_cv_func_working_gnu_strftime,
-  [AC_TRY_RUN(
-[ /* Ulrich Drepper provided parts of the test program.  */
-#if STDC_HEADERS
-# include <stdlib.h>
-#endif
-
-#if TIME_WITH_SYS_TIME
-# include <sys/time.h>
-# include <time.h>
-#else
-# if HAVE_SYS_TIME_H
-#  include <sys/time.h>
-# else
-#  include <time.h>
-# endif
-#endif
-
-static int
-compare (const char *fmt, const struct tm *tm, const char *expected)
-{
-  char buf[99];
-  strftime (buf, 99, fmt, tm);
-  if (strcmp (buf, expected))
-    {
-#ifdef SHOW_FAILURES
-      printf ("fmt: \"%s\", expected \"%s\", got \"%s\"\n",
-             fmt, expected, buf);
-#endif
-      return 1;
-    }
-  return 0;
-}
-
-int
-main ()
-{
-  int n_fail = 0;
-  struct tm *tm;
-  time_t t = 738367; /* Fri Jan  9 13:06:07 1970 */
-  tm = gmtime (&t);
-
-  /* Undefine this in case the configure-time putenv test has defined it
-     to something else.  The use we make of this function here doesn't
-     require the added functionality of the replacement one.  */
-#undef putenv
-
-  /* This is necessary to make strftime give consistent zone strings and
-     e.g., seconds since the epoch (%s).  */
-  putenv ("TZ=GMT0");
-
-#undef CMP
-#define CMP(Fmt, Expected) n_fail += compare ((Fmt), tm, (Expected))
-
-  CMP ("%-m", "1");            /* GNU */
-  CMP ("%A", "Friday");
-  CMP ("%^A", "FRIDAY");       /* The ^ is a GNU extension.  */
-  CMP ("%B", "January");
-  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");
-  CMP ("%M", "06");
-  CMP ("%M", "06");
-  CMP ("%R", "13:06");         /* POSIX.2 */
-  CMP ("%S", "07");
-  CMP ("%T", "13:06:07");      /* POSIX.2 */
-  CMP ("%U", "01");
-  CMP ("%V", "02");
-  CMP ("%W", "01");
-  CMP ("%X", "13:06:07");
-  CMP ("%Y", "1970");
-  CMP ("%Z", "GMT");
-  CMP ("%_m", " 1");           /* GNU */
-  CMP ("%a", "Fri");
-  CMP ("%^a", "FRI");
-  CMP ("%b", "Jan");
-  CMP ("%^b", "JAN");
-  CMP ("%c", "Fri Jan  9 13:06:07 1970");
-  CMP ("%^c", "FRI JAN  9 13:06:07 1970");
-  CMP ("%d", "09");
-  CMP ("%e", " 9");            /* POSIX.2 */
-  CMP ("%g", "70");            /* GNU */
-  CMP ("%h", "Jan");           /* POSIX.2 */
-  CMP ("%^h", "JAN");
-  CMP ("%j", "009");
-  CMP ("%k", "13");            /* GNU */
-  CMP ("%l", " 1");            /* GNU */
-  CMP ("%m", "01");
-  CMP ("%n", "\n");            /* POSIX.2 */
-  CMP ("%p", "PM");
-  CMP ("%r", "01:06:07 PM");   /* POSIX.2 */
-  CMP ("%s", "738367");                /* GNU */
-  CMP ("%t", "\t");            /* POSIX.2 */
-  CMP ("%u", "5");             /* POSIX.2 */
-  CMP ("%w", "5");
-  CMP ("%x", "01/09/70");
-  CMP ("%y", "70");
-  CMP ("%z", "+0000");         /* GNU */
-
-  exit (n_fail ? 1 : 0);
-}],
-            jm_cv_func_working_gnu_strftime=yes,
-             jm_cv_func_working_gnu_strftime=no,
-            dnl When crosscompiling, assume strftime is missing or broken.
-            jm_cv_func_working_gnu_strftime=no)
-  ])
-  if test $jm_cv_func_working_gnu_strftime = no; then
-    AC_LIBOBJ(strftime)
-    AC_DEFINE_UNQUOTED(strftime, gnu_strftime,
-      [Define to gnu_strftime if the replacement function should be used.])
-  fi
+ AC_LIBOBJ(strftime)
+ AC_DEFINE([my_strftime], [nstrftime],
+   [Define to the name of the strftime replacement function.])
 ])
 
 AC_DEFUN(jm_FUNC_STRFTIME,