m4/strings_h.m4

   1 # Configure a replacement for <string.h>.
   2 # serial 3
   3
   4 # Copyright (C) 2007, 2009-2010 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.
   8
   9 AC_DEFUN([gl_HEADER_STRINGS_H],
  10 [
  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])
  14 ])
  15
  16 AC_DEFUN([gl_HEADER_STRINGS_H_BODY],
  17 [
  18   AC_REQUIRE([gl_HEADER_STRINGS_H_DEFAULTS])
  19   gl_CHECK_NEXT_HEADERS([strings.h])
  20
  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])
  25 ])
  26
  27 AC_DEFUN([gl_STRINGS_MODULE_INDICATOR],
  28 [
  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])
  32 ])
  33
  34 AC_DEFUN([gl_HEADER_STRINGS_H_DEFAULTS],
  35 [
  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])
  39 ])