Use []-quoted list in AC_CHECK_MEMBERS, now that autoconf requires that.

[gnulib.git] / m4 / strftime.m4

diff --git a/m4/strftime.m4 b/m4/strftime.m4
index 5275694..fa952f4 100644 (file)
--- a/m4/strftime.m4
+++ b/m4/strftime.m4
@@ -1,11 +1,12 @@
-#serial 9
+#serial 14
 
 dnl This macro is intended to be used solely in this file.
 dnl These are the prerequisite macros for GNU's strftime.c replacement.
 AC_DEFUN(_jm_STRFTIME_PREREQS,
 [
- dnl strftime.c uses localtime_r if it exists.  Check for it.
- AC_CHECK_FUNCS(localtime_r)
+ dnl strftime.c uses localtime_r and the underyling system strftime
+ dnl if they exist.
+ AC_CHECK_FUNCS(localtime_r strftime)
 
  AC_CHECK_HEADERS(limits.h)
  AC_CHECK_FUNCS(bcopy tzset mempcpy memcpy memset)
@@ -15,7 +16,7 @@ AC_DEFUN(_jm_STRFTIME_PREREQS,
 
  AC_CHECK_FUNCS(mblen mbrlen)
 
- AC_CHECK_MEMBER(struct tm.tm_gmtoff,
+ AC_CHECK_MEMBER([struct tm.tm_gmtoff],
                  [AC_DEFINE(HAVE_TM_GMTOFF, 1,
                             [Define if struct tm has the tm_gmtoff member.])],
                  ,
@@ -76,6 +77,11 @@ main ()
   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");