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* configure.ac (AM_GNU_GETTEXT_VERSION): Bump to 0.18. * po/Makefile.in.in: Upgrade to gettext-0.18. Keep option --previous of msgmerge. * intl/: Upgrade to gettext-0.18. * m4/gettext.m4: Upgrade to gettext-0.18.1. * m4/iconv.m4: Upgrade to gettext-0.18.1. * m4/lib-ld.m4: Upgrade to gettext-0.18.1. * m4/lib-link.m4: Upgrade to gettext-0.18.1. * m4/lib-prefix.m4: Upgrade to gettext-0.18.1. * m4/nls.m4: Upgrade to gettext-0.18.1. * m4/po.m4: Upgrade to gettext-0.18.1. * m4/progtest.m4: Upgrade to gettext-0.18.1. * m4/codeset.m4: Upgrade to gettext-0.18.1. * m4/fcntl-o.m4: New file, from gettext-0.18.1. * m4/glibc2.m4: Upgrade to gettext-0.18.1. * m4/glibc21.m4: Upgrade to gettext-0.18.1. * m4/intdiv0.m4: Upgrade to gettext-0.18.1. * m4/intl.m4: Upgrade to gettext-0.18.1. * m4/intldir.m4: Upgrade to gettext-0.18.1. * m4/intlmacosx.m4: Upgrade to gettext-0.18.1. * m4/intmax.m4: Upgrade to gettext-0.18.1. * m4/inttypes_h.m4: Upgrade to gettext-0.18.1. * m4/inttypes-pri.m4: Upgrade to gettext-0.18.1. * m4/lcmessage.m4: Upgrade to gettext-0.18.1. * m4/lock.m4: Upgrade to gettext-0.18.1. * m4/longlong.m4: Upgrade to gettext-0.18.1. * m4/printf-posix.m4: Upgrade to gettext-0.18.1. * m4/size_max.m4: Upgrade to gettext-0.18.1. * m4/stdint_h.m4: Upgrade to gettext-0.18.1. * m4/threadlib.m4: New file, from gettext-0.18.1. * m4/uintmax_t.m4: Upgrade to gettext-0.18.1. * m4/visibility.m4: Upgrade to gettext-0.18.1. * m4/wchar_t.m4: Upgrade to gettext-0.18.1. * m4/wint_t.m4: Upgrade to gettext-0.18.1. * m4/xsize.m4: Upgrade to gettext-0.18.1. * m4/Makefile.am (EXTRA_DIST): Add the new files.
85 lines
2.3 KiB
Plaintext
85 lines
2.3 KiB
Plaintext
# intdiv0.m4 serial 3 (gettext-0.18)
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dnl Copyright (C) 2002, 2007-2010 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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AC_DEFUN([gt_INTDIV0],
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[
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AC_REQUIRE([AC_PROG_CC])dnl
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AC_REQUIRE([AC_CANONICAL_HOST])dnl
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AC_CACHE_CHECK([whether integer division by zero raises SIGFPE],
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gt_cv_int_divbyzero_sigfpe,
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[
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gt_cv_int_divbyzero_sigfpe=
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changequote(,)dnl
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case "$host_os" in
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macos* | darwin[6-9]* | darwin[1-9][0-9]*)
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# On MacOS X 10.2 or newer, just assume the same as when cross-
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# compiling. If we were to perform the real test, 1 Crash Report
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# dialog window would pop up.
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case "$host_cpu" in
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i[34567]86 | x86_64)
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gt_cv_int_divbyzero_sigfpe="guessing yes" ;;
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esac
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;;
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esac
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changequote([,])dnl
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if test -z "$gt_cv_int_divbyzero_sigfpe"; then
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AC_TRY_RUN([
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#include <stdlib.h>
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#include <signal.h>
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static void
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sigfpe_handler (int sig)
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{
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/* Exit with code 0 if SIGFPE, with code 1 if any other signal. */
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exit (sig != SIGFPE);
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}
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int x = 1;
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int y = 0;
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int z;
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int nan;
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int main ()
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{
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signal (SIGFPE, sigfpe_handler);
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/* IRIX and AIX (when "xlc -qcheck" is used) yield signal SIGTRAP. */
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#if (defined (__sgi) || defined (_AIX)) && defined (SIGTRAP)
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signal (SIGTRAP, sigfpe_handler);
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#endif
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/* Linux/SPARC yields signal SIGILL. */
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#if defined (__sparc__) && defined (__linux__)
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signal (SIGILL, sigfpe_handler);
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#endif
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z = x / y;
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nan = y / y;
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exit (1);
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}
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], [gt_cv_int_divbyzero_sigfpe=yes], [gt_cv_int_divbyzero_sigfpe=no],
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[
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# Guess based on the CPU.
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changequote(,)dnl
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case "$host_cpu" in
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alpha* | i[34567]86 | x86_64 | m68k | s390*)
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gt_cv_int_divbyzero_sigfpe="guessing yes";;
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*)
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gt_cv_int_divbyzero_sigfpe="guessing no";;
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esac
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changequote([,])dnl
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])
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fi
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])
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case "$gt_cv_int_divbyzero_sigfpe" in
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*yes) value=1;;
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*) value=0;;
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esac
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AC_DEFINE_UNQUOTED([INTDIV0_RAISES_SIGFPE], [$value],
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[Define if integer division by zero raises signal SIGFPE.])
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])
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