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gnulib/m4/ssize_t.m4
Paul Eggert a3fd683de3 version-etc: new year
* build-aux/gendocs.sh (version):
* doc/gendocs_template:
* doc/gendocs_template_min:
* doc/gnulib.texi:
* lib/version-etc.c (COPYRIGHT_YEAR):
Update copyright dates by hand in templates and the like.
* all files: Run 'make update-copyright'.
2017-01-01 02:59:23 +00:00

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# ssize_t.m4 serial 5 (gettext-0.18.2)
dnl Copyright (C) 2001-2003, 2006, 2010-2017 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl From Bruno Haible.
dnl Test whether ssize_t is defined.
AC_DEFUN([gt_TYPE_SSIZE_T],
[
AC_CACHE_CHECK([for ssize_t], [gt_cv_ssize_t],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[#include <sys/types.h>]],
[[int x = sizeof (ssize_t *) + sizeof (ssize_t);
return !x;]])],
[gt_cv_ssize_t=yes], [gt_cv_ssize_t=no])])
if test $gt_cv_ssize_t = no; then
AC_DEFINE([ssize_t], [int],
[Define as a signed type of the same size as size_t.])
fi
])