2 dnl Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
7 AC_DEFUN([gl_FUNC_MEMRCHR],
9 AC_LIBSOURCES([memrchr.c, memrchr.h])
11 dnl Persuade glibc <string.h> to declare memrchr().
12 AC_REQUIRE([AC_GNU_SOURCE])
14 AC_CHECK_DECLS_ONCE([memrchr])
16 AC_REPLACE_FUNCS(memrchr)
17 if test $ac_cv_func_memrchr = no; then
22 # Prerequisites of lib/memrchr.c.
23 AC_DEFUN([gl_PREREQ_MEMRCHR], [:])