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| author | Arnold D. Robbins <arnold@skeeve.com> | 2012-04-27 10:10:07 +0300 |
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| committer | Arnold D. Robbins <arnold@skeeve.com> | 2012-04-27 10:10:07 +0300 |
| commit | fa620d22a63f26f8098d7b4c4b835ad27c1b13a7 (patch) | |
| tree | 75dc9ee66c3cac1c6a7796d404aee0f0836a106f /m4/intdiv0.m4 | |
| parent | ed69ad69e9e4603fef71510cfef13d2a8b153ae0 (diff) | |
| parent | 2ee1a96b398f3bd183a84509464770153a8890d4 (diff) | |
| download | egawk-fa620d22a63f26f8098d7b4c4b835ad27c1b13a7.tar.gz egawk-fa620d22a63f26f8098d7b4c4b835ad27c1b13a7.tar.bz2 egawk-fa620d22a63f26f8098d7b4c4b835ad27c1b13a7.zip | |
Merge branch 'gawk-4.0-stable' (latest infrastructure).
Diffstat (limited to 'm4/intdiv0.m4')
| -rw-r--r-- | m4/intdiv0.m4 | 50 |
1 files changed, 32 insertions, 18 deletions
diff --git a/m4/intdiv0.m4 b/m4/intdiv0.m4 index b8d78176..289c4df5 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 3 (gettext-0.18) +dnl Copyright (C) 2002, 2007-2010 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 +14,27 @@ 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 "$host_os" in + macos* | darwin[6-9]* | darwin[1-9][0-9]*) + # On MacOS X 10.2 or newer, just assume the same as when cross- + # compiling. If we were to perform the real test, 1 Crash Report + # dialog window would pop up. + case "$host_cpu" in + i[34567]86 | x86_64) + gt_cv_int_divbyzero_sigfpe="guessing yes" ;; + esac + ;; + esac +changequote([,])dnl + if test -z "$gt_cv_int_divbyzero_sigfpe"; then + AC_TRY_RUN([ #include <stdlib.h> #include <signal.h> static void -#ifdef __cplusplus sigfpe_handler (int sig) -#else -sigfpe_handler (sig) int sig; -#endif { /* Exit with code 0 if SIGFPE, with code 1 if any other signal. */ exit (sig != SIGFPE); @@ -50,21 +61,24 @@ int main () nan = y / y; exit (1); } -], gt_cv_int_divbyzero_sigfpe=yes, gt_cv_int_divbyzero_sigfpe=no, - [ - # Guess based on the CPU. - case "$host_cpu" in - alpha* | i[34567]86 | m68k | s390*) - gt_cv_int_divbyzero_sigfpe="guessing yes";; - *) - gt_cv_int_divbyzero_sigfpe="guessing no";; - esac - ]) +], [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.]) ]) |