diff options
Diffstat (limited to 'gl/m4/intdiv0.m4')
| -rw-r--r-- | gl/m4/intdiv0.m4 | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/gl/m4/intdiv0.m4 b/gl/m4/intdiv0.m4 deleted file mode 100644 index 74d0e80d..00000000 --- a/gl/m4/intdiv0.m4 +++ /dev/null | |||
| @@ -1,87 +0,0 @@ | |||
| 1 | # intdiv0.m4 serial 6 (gettext-0.18.2) | ||
| 2 | dnl Copyright (C) 2002, 2007-2008, 2010-2013 Free Software Foundation, Inc. | ||
| 3 | dnl This file is free software; the Free Software Foundation | ||
| 4 | dnl gives unlimited permission to copy and/or distribute it, | ||
| 5 | dnl with or without modifications, as long as this notice is preserved. | ||
| 6 | |||
| 7 | dnl From Bruno Haible. | ||
| 8 | |||
| 9 | AC_DEFUN([gt_INTDIV0], | ||
| 10 | [ | ||
| 11 | AC_REQUIRE([AC_PROG_CC])dnl | ||
| 12 | AC_REQUIRE([AC_CANONICAL_HOST])dnl | ||
| 13 | |||
| 14 | AC_CACHE_CHECK([whether integer division by zero raises SIGFPE], | ||
| 15 | gt_cv_int_divbyzero_sigfpe, | ||
| 16 | [ | ||
| 17 | gt_cv_int_divbyzero_sigfpe= | ||
| 18 | changequote(,)dnl | ||
| 19 | case "$host_os" in | ||
| 20 | macos* | darwin[6-9]* | darwin[1-9][0-9]*) | ||
| 21 | # On Mac OS X 10.2 or newer, just assume the same as when cross- | ||
| 22 | # compiling. If we were to perform the real test, 1 Crash Report | ||
| 23 | # dialog window would pop up. | ||
| 24 | case "$host_cpu" in | ||
| 25 | i[34567]86 | x86_64) | ||
| 26 | gt_cv_int_divbyzero_sigfpe="guessing yes" ;; | ||
| 27 | esac | ||
| 28 | ;; | ||
| 29 | esac | ||
| 30 | changequote([,])dnl | ||
| 31 | if test -z "$gt_cv_int_divbyzero_sigfpe"; then | ||
| 32 | AC_RUN_IFELSE( | ||
| 33 | [AC_LANG_SOURCE([[ | ||
| 34 | #include <stdlib.h> | ||
| 35 | #include <signal.h> | ||
| 36 | |||
| 37 | static void | ||
| 38 | sigfpe_handler (int sig) | ||
| 39 | { | ||
| 40 | /* Exit with code 0 if SIGFPE, with code 1 if any other signal. */ | ||
| 41 | exit (sig != SIGFPE); | ||
| 42 | } | ||
| 43 | |||
| 44 | int x = 1; | ||
| 45 | int y = 0; | ||
| 46 | int z; | ||
| 47 | int nan; | ||
| 48 | |||
| 49 | int main () | ||
| 50 | { | ||
| 51 | signal (SIGFPE, sigfpe_handler); | ||
| 52 | /* IRIX and AIX (when "xlc -qcheck" is used) yield signal SIGTRAP. */ | ||
| 53 | #if (defined (__sgi) || defined (_AIX)) && defined (SIGTRAP) | ||
| 54 | signal (SIGTRAP, sigfpe_handler); | ||
| 55 | #endif | ||
| 56 | /* Linux/SPARC yields signal SIGILL. */ | ||
| 57 | #if defined (__sparc__) && defined (__linux__) | ||
| 58 | signal (SIGILL, sigfpe_handler); | ||
| 59 | #endif | ||
| 60 | |||
| 61 | z = x / y; | ||
| 62 | nan = y / y; | ||
| 63 | exit (2); | ||
| 64 | } | ||
| 65 | ]])], | ||
| 66 | [gt_cv_int_divbyzero_sigfpe=yes], | ||
| 67 | [gt_cv_int_divbyzero_sigfpe=no], | ||
| 68 | [ | ||
| 69 | # Guess based on the CPU. | ||
| 70 | changequote(,)dnl | ||
| 71 | case "$host_cpu" in | ||
| 72 | alpha* | i[34567]86 | x86_64 | m68k | s390*) | ||
| 73 | gt_cv_int_divbyzero_sigfpe="guessing yes";; | ||
| 74 | *) | ||
| 75 | gt_cv_int_divbyzero_sigfpe="guessing no";; | ||
| 76 | esac | ||
| 77 | changequote([,])dnl | ||
| 78 | ]) | ||
| 79 | fi | ||
| 80 | ]) | ||
| 81 | case "$gt_cv_int_divbyzero_sigfpe" in | ||
| 82 | *yes) value=1;; | ||
| 83 | *) value=0;; | ||
| 84 | esac | ||
| 85 | AC_DEFINE_UNQUOTED([INTDIV0_RAISES_SIGFPE], [$value], | ||
| 86 | [Define if integer division by zero raises signal SIGFPE.]) | ||
| 87 | ]) | ||
