-# memmem.m4 serial 2
-dnl Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+# memmem.m4 serial 4
+dnl Copyright (C) 2002, 2003, 2004, 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.
dnl Persuade glibc <string.h> to declare memmem().
AC_REQUIRE([AC_GNU_SOURCE])
+ AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
AC_REPLACE_FUNCS(memmem)
AC_CHECK_DECLS_ONCE(memmem)
+ if test $ac_cv_have_decl_memmem = no; then
+ HAVE_DECL_MEMMEM=0
+ fi
gl_PREREQ_MEMMEM
])