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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 55dddcf1..00000000 --- a/m4/intdiv0.m4 +++ /dev/null | |||
| @@ -1,72 +0,0 @@ | |||
| 1 | # intdiv0.m4 serial 1 (gettext-0.11.3) | ||
| 2 | dnl Copyright (C) 2002 Free Software Foundation, Inc. | ||
| 3 | dnl This file is free software, distributed under the terms of the GNU | ||
| 4 | dnl General Public License. As a special exception to the GNU General | ||
| 5 | dnl Public License, this file may be distributed as part of a program | ||
| 6 | dnl that contains a configuration script generated by Autoconf, under | ||
| 7 | dnl the same distribution terms as the rest of that program. | ||
| 8 | |||
| 9 | dnl From Bruno Haible. | ||
| 10 | |||
| 11 | AC_DEFUN([gt_INTDIV0], | ||
| 12 | [ | ||
| 13 | AC_REQUIRE([AC_PROG_CC])dnl | ||
| 14 | AC_REQUIRE([AC_CANONICAL_HOST])dnl | ||
| 15 | |||
| 16 | AC_CACHE_CHECK([whether integer division by zero raises SIGFPE], | ||
| 17 | gt_cv_int_divbyzero_sigfpe, | ||
| 18 | [ | ||
| 19 | AC_TRY_RUN([ | ||
| 20 | #include <stdlib.h> | ||
| 21 | #include <signal.h> | ||
| 22 | |||
| 23 | static void | ||
| 24 | #ifdef __cplusplus | ||
| 25 | sigfpe_handler (int sig) | ||
| 26 | #else | ||
| 27 | sigfpe_handler (sig) int sig; | ||
| 28 | #endif | ||
| 29 | { | ||
| 30 | /* Exit with code 0 if SIGFPE, with code 1 if any other signal. */ | ||
| 31 | exit (sig != SIGFPE); | ||
| 32 | } | ||
| 33 | |||
| 34 | int x = 1; | ||
| 35 | int y = 0; | ||
| 36 | int z; | ||
| 37 | int nan; | ||
| 38 | |||
| 39 | int main () | ||
| 40 | { | ||
| 41 | signal (SIGFPE, sigfpe_handler); | ||
| 42 | /* IRIX and AIX (when "xlc -qcheck" is used) yield signal SIGTRAP. */ | ||
| 43 | #if (defined (__sgi) || defined (_AIX)) && defined (SIGTRAP) | ||
| 44 | signal (SIGTRAP, sigfpe_handler); | ||
| 45 | #endif | ||
| 46 | /* Linux/SPARC yields signal SIGILL. */ | ||
| 47 | #if defined (__sparc__) && defined (__linux__) | ||
| 48 | signal (SIGILL, sigfpe_handler); | ||
| 49 | #endif | ||
| 50 | |||
| 51 | z = x / y; | ||
| 52 | nan = y / y; | ||
| 53 | exit (1); | ||
| 54 | } | ||
| 55 | ], gt_cv_int_divbyzero_sigfpe=yes, gt_cv_int_divbyzero_sigfpe=no, | ||
| 56 | [ | ||
| 57 | # Guess based on the CPU. | ||
| 58 | case "$host_cpu" in | ||
| 59 | alpha* | i[34567]86 | m68k | s390*) | ||
| 60 | gt_cv_int_divbyzero_sigfpe="guessing yes";; | ||
| 61 | *) | ||
| 62 | gt_cv_int_divbyzero_sigfpe="guessing no";; | ||
| 63 | esac | ||
| 64 | ]) | ||
| 65 | ]) | ||
| 66 | case "$gt_cv_int_divbyzero_sigfpe" in | ||
| 67 | *yes) value=1;; | ||
| 68 | *) value=0;; | ||
| 69 | esac | ||
| 70 | AC_DEFINE_UNQUOTED(INTDIV0_RAISES_SIGFPE, $value, | ||
| 71 | [Define if integer division by zero raises signal SIGFPE.]) | ||
| 72 | ]) | ||
