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23 lines
819 B
23 lines
819 B
# ssize_t.m4 serial 5 (gettext-0.18.2) |
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dnl Copyright (C) 2001-2003, 2006, 2010-2017 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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