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- dnl Copyright (C) 2007-2021 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
- dnl This file can can be used in projects which are not available under
- dnl the GNU General Public License or the GNU Library General Public
- dnl License but which still want to provide support for the GNU gettext
- dnl functionality.
- dnl Please note that the actual code of the GNU gettext library is covered
- dnl by the GNU Library General Public License, and the rest of the GNU
- dnl gettext package package is covered by the GNU General Public License.
- dnl They are *not* in the public domain.
- dnl Authors:
- dnl James Youngman <jay@gnu.org>, 2007.
- AC_DEFUN([jy_AC_ATTRIBUTE_NORETURN],
- [AC_CACHE_CHECK([for __attribute__ ((__noreturn__)) support],
- [jy_cv_cc_attribute_noreturn],
- [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
- [void report_fatal_error(void) __attribute__ ((__noreturn__));])],
- [jy_cv_cc_attribute_noreturn=yes],
- [jy_cv_cc_attribute_noreturn=no])])
- if test $jy_cv_cc_attribute_noreturn = yes; then
- HAVE_ATTRIBUTE_NORETURN=1
- else
- HAVE_ATTRIBUTE_NORETURN=0
- fi
- AC_SUBST([HAVE_ATTRIBUTE_NORETURN])
- AC_DEFINE_UNQUOTED([HAVE_ATTRIBUTE_NORETURN],[$HAVE_ATTRIBUTE_NORETURN],
- [Define to 1 if the compiler supports __attribute__ ((__noreturn__))])
- ])
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