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Diffstat (limited to 'm4/intdiv0.m4')
-rw-r--r-- | m4/intdiv0.m4 | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/m4/intdiv0.m4 b/m4/intdiv0.m4 deleted file mode 100644 index 55dddcf..0000000 --- a/m4/intdiv0.m4 +++ /dev/null @@ -1,72 +0,0 @@ -# intdiv0.m4 serial 1 (gettext-0.11.3) -dnl Copyright (C) 2002 Free Software Foundation, Inc. -dnl This file is free software, distributed under the terms of the GNU -dnl General Public License. As a special exception to the GNU General -dnl Public License, this file may be distributed as part of a program -dnl that contains a configuration script generated by Autoconf, under -dnl the same distribution terms as the rest of that program. - -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, - [ - AC_TRY_RUN([ -#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); -} - -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. - case "$host_cpu" in - alpha* | i[34567]86 | m68k | s390*) - gt_cv_int_divbyzero_sigfpe="guessing yes";; - *) - gt_cv_int_divbyzero_sigfpe="guessing no";; - esac - ]) - ]) - case "$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.]) -]) |