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authorLorry Tar Creator <lorry-tar-importer@lorry>2007-03-22 21:23:21 +0000
committerLorry Tar Creator <lorry-tar-importer@lorry>2007-03-22 21:23:21 +0000
commitcbf5993c43f49281173f185863577d86bfac6eae (patch)
tree90737c96cf15b97273a2bdc5950b3cf09f1d94ca /m4/memrchr.m4
downloadcoreutils-tarball-cbf5993c43f49281173f185863577d86bfac6eae.tar.gz
coreutils-6.9coreutils-6.9
Diffstat (limited to 'm4/memrchr.m4')
-rw-r--r--m4/memrchr.m425
1 files changed, 25 insertions, 0 deletions
diff --git a/m4/memrchr.m4 b/m4/memrchr.m4
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--- /dev/null
+++ b/m4/memrchr.m4
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+# memrchr.m4 serial 7
+dnl Copyright (C) 2002, 2003, 2005, 2006, 2007 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_MEMRCHR],
+[
+ dnl Persuade glibc <string.h> to declare memrchr().
+ AC_REQUIRE([AC_GNU_SOURCE])
+
+ AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
+ AC_CHECK_DECLS_ONCE([memrchr])
+ if test $ac_cv_have_decl_memrchr = no; then
+ HAVE_DECL_MEMRCHR=0
+ fi
+
+ AC_REPLACE_FUNCS(memrchr)
+ if test $ac_cv_func_memrchr = no; then
+ gl_PREREQ_MEMRCHR
+ fi
+])
+
+# Prerequisites of lib/memrchr.c.
+AC_DEFUN([gl_PREREQ_MEMRCHR], [:])