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-rw-r--r--extension/m4/intdiv0.m487
1 files changed, 0 insertions, 87 deletions
diff --git a/extension/m4/intdiv0.m4 b/extension/m4/intdiv0.m4
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index 44f98632..00000000
--- a/extension/m4/intdiv0.m4
+++ /dev/null
@@ -1,87 +0,0 @@
-# intdiv0.m4 serial 6 (gettext-0.18.2)
-dnl Copyright (C) 2002, 2007-2008, 2010-2015 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 "$host_os" in
- macos* | darwin[6-9]* | darwin[1-9][0-9]*)
- # On Mac OS X 10.2 or newer, just assume the same as when cross-
- # compiling. If we were to perform the real test, 1 Crash Report
- # dialog window would pop up.
- case "$host_cpu" in
- i[34567]86 | x86_64)
- gt_cv_int_divbyzero_sigfpe="guessing yes" ;;
- esac
- ;;
- esac
-changequote([,])dnl
- if test -z "$gt_cv_int_divbyzero_sigfpe"; then
- AC_RUN_IFELSE(
- [AC_LANG_SOURCE([[
-#include <stdlib.h>
-#include <signal.h>
-
-static void
-sigfpe_handler (int sig)
-{
- /* Exit with code 0 if SIGFPE, with code 1 if any other signal. */
- exit (sig != SIGFPE);
-}
-
-int x = 1;
-int y = 0;
-int z;
-int nan;
-
-int main ()
-{
- signal (SIGFPE, sigfpe_handler);
-/* IRIX and AIX (when "xlc -qcheck" is used) yield signal SIGTRAP. */
-#if (defined (__sgi) || defined (_AIX)) && defined (SIGTRAP)
- signal (SIGTRAP, sigfpe_handler);
-#endif
-/* Linux/SPARC yields signal SIGILL. */
-#if defined (__sparc__) && defined (__linux__)
- signal (SIGILL, sigfpe_handler);
-#endif
-
- z = x / y;
- nan = y / y;
- exit (2);
-}
-]])],
- [gt_cv_int_divbyzero_sigfpe=yes],
- [gt_cv_int_divbyzero_sigfpe=no],
- [
- # Guess based on the CPU.
-changequote(,)dnl
- case "$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.])
-])