1 # Configure a replacement for <string.h>.
4 # Copyright (C) 2007, 2009-2011 Free Software Foundation, Inc.
5 # This file is free software; the Free Software Foundation
6 # gives unlimited permission to copy and/or distribute it,
7 # with or without modifications, as long as this notice is preserved.
9 AC_DEFUN([gl_HEADER_STRINGS_H],
11 dnl Use AC_REQUIRE here, so that the default behavior below is expanded
12 dnl once only, before all statements that occur in other macros.
13 AC_REQUIRE([gl_HEADER_STRINGS_H_BODY])
16 AC_DEFUN([gl_HEADER_STRINGS_H_BODY],
18 AC_REQUIRE([gl_HEADER_STRINGS_H_DEFAULTS])
19 gl_CHECK_NEXT_HEADERS([strings.h])
21 dnl Check for declarations of anything we want to poison if the
22 dnl corresponding gnulib module is not in use.
23 gl_WARN_ON_USE_PREPARE([[#include <strings.h>
24 ]], [strcasecmp strncasecmp])
27 AC_DEFUN([gl_STRINGS_MODULE_INDICATOR],
29 dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
30 AC_REQUIRE([gl_HEADER_STRINGS_H_DEFAULTS])
31 gl_MODULE_INDICATOR_SET_VARIABLE([$1])
34 AC_DEFUN([gl_HEADER_STRINGS_H_DEFAULTS],
36 dnl Assume proper GNU behavior unless another module says otherwise.
37 HAVE_STRCASECMP=1; AC_SUBST([HAVE_STRCASECMP])
38 HAVE_DECL_STRNCASECMP=1; AC_SUBST([HAVE_DECL_STRNCASECMP])