new.txt: finished lib/

[gnulib.git] / m4 / memchr.m4

diff --git a/m4/memchr.m4 b/m4/memchr.m4
index bcfe869..1194bac 100644 (file)
--- a/m4/memchr.m4
+++ b/m4/memchr.m4
@@ -1,10 +1,10 @@
-# memchr.m4 serial 6
+# memchr.m4 serial 7

 dnl Copyright (C) 2002, 2003, 2004, 2009 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
 
 dnl Copyright (C) 2002, 2003, 2004, 2009 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
 

-AC_DEFUN([gl_FUNC_MEMCHR],
+AC_DEFUN_ONCE([gl_FUNC_MEMCHR],

 [
   dnl Check for prerequisites for memory fence checks.
   gl_FUNC_MMAP_ANON
 [
   dnl Check for prerequisites for memory fence checks.
   gl_FUNC_MMAP_ANON


@@ -25,6 +25,7 @@ AC_DEFUN([gl_FUNC_MEMCHR],
     #   http://bugzilla.redhat.com/499689
     # memchr should not dereference overestimated length after a match
     #   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=521737
     #   http://bugzilla.redhat.com/499689
     # memchr should not dereference overestimated length after a match
     #   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=521737

+    #   http://sourceware.org/bugzilla/show_bug.cgi?id=10162

     # Assume that memchr works on platforms that lack mprotect.
     AC_CACHE_CHECK([whether memchr works], [gl_cv_func_memchr_works],
       [AC_RUN_IFELSE([AC_LANG_PROGRAM([[
     # Assume that memchr works on platforms that lack mprotect.
     AC_CACHE_CHECK([whether memchr works], [gl_cv_func_memchr_works],
       [AC_RUN_IFELSE([AC_LANG_PROGRAM([[