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-rw-r--r--m4/intdiv0.m455
1 files changed, 36 insertions, 19 deletions
diff --git a/m4/intdiv0.m4 b/m4/intdiv0.m4
index b8d78176a..afa9acb82 100644
--- a/m4/intdiv0.m4
+++ b/m4/intdiv0.m4
@@ -1,5 +1,5 @@
-# intdiv0.m4 serial 1 (gettext-0.11.3)
-dnl Copyright (C) 2002 Free Software Foundation, Inc.
+# intdiv0.m4 serial 6 (gettext-0.18.2)
+dnl Copyright (C) 2002, 2007-2008, 2010-2014 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.
@@ -14,16 +14,28 @@ AC_DEFUN([gt_INTDIV0],
AC_CACHE_CHECK([whether integer division by zero raises SIGFPE],
gt_cv_int_divbyzero_sigfpe,
[
- AC_TRY_RUN([
+ 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 "$gt_cv_int_divbyzero_sigfpe"; then
+ AC_RUN_IFELSE(
+ [AC_LANG_SOURCE([[
#include <stdlib.h>
#include <signal.h>
static void
-#ifdef __cplusplus
sigfpe_handler (int sig)
-#else
-sigfpe_handler (sig) int sig;
-#endif
{
/* Exit with code 0 if SIGFPE, with code 1 if any other signal. */
exit (sig != SIGFPE);
@@ -48,23 +60,28 @@ int main ()
z = x / y;
nan = y / y;
- exit (1);
+ exit (2);
}
-], gt_cv_int_divbyzero_sigfpe=yes, gt_cv_int_divbyzero_sigfpe=no,
- [
- # Guess based on the CPU.
- case "$host_cpu" in
- alpha* | i[34567]86 | m68k | s390*)
- gt_cv_int_divbyzero_sigfpe="guessing yes";;
- *)
- gt_cv_int_divbyzero_sigfpe="guessing no";;
- esac
- ])
+]])],
+ [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, $value,
+ AC_DEFINE_UNQUOTED([INTDIV0_RAISES_SIGFPE], [$value],
[Define if integer division by zero raises signal SIGFPE.])
])