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25 lines
818 B
Plaintext
25 lines
818 B
Plaintext
# wchar_t.m4 serial 4 (gettext-0.18.2)
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dnl Copyright (C) 2002-2003, 2008-2020 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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dnl From Bruno Haible.
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dnl Test whether <stddef.h> has the 'wchar_t' type.
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dnl Prerequisite: AC_PROG_CC
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AC_DEFUN([gt_TYPE_WCHAR_T],
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[
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AC_CACHE_CHECK([for wchar_t], [gt_cv_c_wchar_t],
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[AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM(
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[[#include <stddef.h>
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wchar_t foo = (wchar_t)'\0';]],
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[[]])],
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[gt_cv_c_wchar_t=yes],
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[gt_cv_c_wchar_t=no])])
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if test $gt_cv_c_wchar_t = yes; then
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AC_DEFINE([HAVE_WCHAR_T], [1], [Define if you have the 'wchar_t' type.])
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fi
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])
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