X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fgettimeofday.m4;h=836a4b91b9625a51ab04e118654af726a6cbce89;hb=ef8e4e5cfec5367d1c3c3aedf15408371de20f6d;hp=21da6782042dfa1bd5564ee4253d04da1681ce38;hpb=c026d66bb6383b26061f0ddbc1132621a7f11007;p=gnulib.git

diff --git a/m4/gettimeofday.m4 b/m4/gettimeofday.m4
index 21da67820..836a4b91b 100644
--- a/m4/gettimeofday.m4
+++ b/m4/gettimeofday.m4
@@ -1,4 +1,4 @@
-#serial 1
+#serial 3
 
 dnl From Jim Meyering.
 dnl
@@ -6,13 +6,13 @@ dnl See if gettimeofday clobbers the static buffer that localtime uses
 dnl for it's return value.  The gettimeofday function from Mac OS X 10.0.4,
 dnl i.e. Darwin 1.3.7 has this problem.
 dnl
-dnl If it does, then arrange to use gettimeofday only via the wrapper
-dnl function that works around the problem.
+dnl If it does, then arrange to use gettimeofday and localtime only via
+dnl the wrapper functions that work around the problem.
 
 AC_DEFUN([AC_FUNC_GETTIMEOFDAY_CLOBBER],
 [
  AC_REQUIRE([AC_HEADER_TIME])
- AC_CHECK_HEADERS(string.h stdlib.h)
+ AC_CHECK_HEADERS_ONCE(stdlib.h string.h)
  AC_CACHE_CHECK([whether gettimeofday clobbers localtime buffer],
   jm_cv_func_gettimeofday_clobber,
   [AC_TRY_RUN([
@@ -59,10 +59,17 @@ main ()
   ])
   if test $jm_cv_func_gettimeofday_clobber = yes; then
     AC_LIBOBJ(gettimeofday)
-    AC_DEFINE_UNQUOTED(gettimeofday, rpl_gettimeofday,
+    AC_DEFINE(localtime, rpl_localtime,
+      [Define to rpl_localtime if the replacement function should be used.])
+    AC_DEFINE(gettimeofday, rpl_gettimeofday,
       [Define to rpl_gettimeofday if the replacement function should be used.])
-    jm_gtod_init_rhs='GTOD_init ()'
     AC_DEFINE(GETTIMEOFDAY_CLOBBERS_LOCALTIME_BUFFER, 1,
       [Define if gettimeofday clobbers localtime's static buffer.])
+    gl_PREREQ_GETTIMEOFDAY
   fi
 ])
+
+# Prerequisites of lib/gettimeofday.c.
+AC_DEFUN([gl_PREREQ_GETTIMEOFDAY], [
+  AC_REQUIRE([AC_HEADER_TIME])
+])