grub/m4/intdiv0.m4
Colin Watson 269004c158 Fix po directory handling.
* configure.ac: Create po/Makefile.in rather than po/Makefile.
* grub-core/gnulib/Makefile.am: Import gettext module.
* m4/gnulib-cache.m4: Likewise.
* m4/gnulib-comp.m4: Likewise.
* m4/gettext.m4: New file, from gnulib.
* m4/glibc2.m4: Likewise.
* m4/iconv.m4: Likewise.
* m4/intdiv0.m4: Likewise.
* m4/intl.m4: Likewise.
* m4/intldir.m4: Likewise.
* m4/intlmacosx.m4: Likewise.
* m4/intmax.m4: Likewise.
* m4/inttypes-pri.m4: Likewise.
* m4/lcmessage.m4: Likewise.
* m4/lib-ld.m4: Likewise.
* m4/lib-link.m4: Likewise.
* m4/lib-prefix.m4: Likewise.
* m4/lock.m4: Likewise.
* m4/nls.m4: Likewise.
* m4/po.m4: Likewise.
* m4/printf-posix.m4: Likewise.
* m4/progtest.m4: Likewise.
* m4/threadlib.m4: Likewise.
* m4/uintmax_t.m4: Likewise.
* m4/visibility.m4: Likewise.
* po/Makefile.am: Remove.
* po/Makefile.in.in: New file, from gettext.
($(DOMAIN).pot-update): Support POTFILES-shell.
* po/Makevars: New file.
* po/POTFILES-shell: Rename to ...
* po/POTFILES-shell.in: ... this.  Update.
* po/POTFILES: Rename to ...
* po/POTFILES.in: ... this.  Update.
* po/Rules-quot: New file, from gettext.
* po/boldquot.sed: Likewise.
* po/en@boldquot.header: Likewise.
* po/en@quot.header: Likewise.
* po/insert-header.sin: Likewise.
* po/quot.sed: Likewise.
* po/remove-potcdate.sin: Likewise.
2010-09-21 00:09:23 +01:00

87 lines
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Text

# intdiv0.m4 serial 4 (gettext-0.18.2)
dnl Copyright (C) 2002, 2007-2008, 2010 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.
AC_DEFUN([gt_INTDIV0],
[
AC_REQUIRE([AC_PROG_CC])dnl
AC_REQUIRE([AC_CANONICAL_HOST])dnl
AC_CACHE_CHECK([whether integer division by zero raises SIGFPE],
gt_cv_int_divbyzero_sigfpe,
[
gt_cv_int_divbyzero_sigfpe=
changequote(,)dnl
case "$host_os" in
macos* | darwin[6-9]* | darwin[1-9][0-9]*)
# On MacOS X 10.2 or newer, just assume the same as when cross-
# compiling. If we were to perform the real test, 1 Crash Report
# dialog window would pop up.
case "$host_cpu" in
i[34567]86 | x86_64)
gt_cv_int_divbyzero_sigfpe="guessing yes" ;;
esac
;;
esac
changequote([,])dnl
if test -z "$gt_cv_int_divbyzero_sigfpe"; then
AC_RUN_IFELSE(
[AC_LANG_SOURCE([[
#include <stdlib.h>
#include <signal.h>
static void
sigfpe_handler (int sig)
{
/* Exit with code 0 if SIGFPE, with code 1 if any other signal. */
exit (sig != SIGFPE);
}
int x = 1;
int y = 0;
int z;
int nan;
int main ()
{
signal (SIGFPE, sigfpe_handler);
/* IRIX and AIX (when "xlc -qcheck" is used) yield signal SIGTRAP. */
#if (defined (__sgi) || defined (_AIX)) && defined (SIGTRAP)
signal (SIGTRAP, sigfpe_handler);
#endif
/* Linux/SPARC yields signal SIGILL. */
#if defined (__sparc__) && defined (__linux__)
signal (SIGILL, sigfpe_handler);
#endif
z = x / y;
nan = y / y;
exit (1);
}
]])],
[gt_cv_int_divbyzero_sigfpe=yes],
[gt_cv_int_divbyzero_sigfpe=no],
[
# Guess based on the CPU.
changequote(,)dnl
case "$host_cpu" in
alpha* | i[34567]86 | x86_64 | m68k | s390*)
gt_cv_int_divbyzero_sigfpe="guessing yes";;
*)
gt_cv_int_divbyzero_sigfpe="guessing no";;
esac
changequote([,])dnl
])
fi
])
case "$gt_cv_int_divbyzero_sigfpe" in
*yes) value=1;;
*) value=0;;
esac
AC_DEFINE_UNQUOTED([INTDIV0_RAISES_SIGFPE], [$value],
[Define if integer division by zero raises signal SIGFPE.])
])