# 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], [:])