23 lines
819 B
Text
23 lines
819 B
Text
# ssize_t.m4 serial 5 (gettext-0.18.2)
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dnl Copyright (C) 2001-2003, 2006, 2010-2023 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 ssize_t is defined.
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AC_DEFUN([gt_TYPE_SSIZE_T],
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[
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AC_CACHE_CHECK([for ssize_t], [gt_cv_ssize_t],
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[AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM(
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[[#include <sys/types.h>]],
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[[int x = sizeof (ssize_t *) + sizeof (ssize_t);
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return !x;]])],
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[gt_cv_ssize_t=yes], [gt_cv_ssize_t=no])])
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if test $gt_cv_ssize_t = no; then
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AC_DEFINE([ssize_t], [int],
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[Define as a signed type of the same size as size_t.])
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fi
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])
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