X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fmalloc.m4;h=85d62efa82b8f31595213d97f8021be277216fc8;hb=f1df5643e969a40ddeeaf350724ef5c03f8170a3;hp=ec59397680fc28992716ce0b4e67c0d309e35c77;hpb=d8e38d07fe74b36bc8e29d0676cafec0d27e6e7f;p=gnulib.git

diff --git a/m4/malloc.m4 b/m4/malloc.m4
index ec5939768..85d62efa8 100644
--- a/m4/malloc.m4
+++ b/m4/malloc.m4
@@ -1,4 +1,4 @@
-#serial 1
+#serial 2
 
 dnl From Jim Meyering.
 dnl Determine whether malloc accepts 0 as its argument.
@@ -12,6 +12,11 @@ dnl
 
 AC_DEFUN(jm_FUNC_MALLOC,
 [
+ dnl xmalloc.c requires that this symbol be defined so it doesn't
+ dnl mistakenly use a broken malloc -- as it might if this test were omitted.
+ AC_DEFINE_UNQUOTED(HAVE_DONE_WORKING_MALLOC_CHECK, 1,
+                    [Define if the malloc check has been performed. ])
+
  AC_CACHE_CHECK([for working malloc], jm_cv_func_working_malloc,
   [AC_TRY_RUN([
     char *malloc ();