From 70722fdcfc09b019cc2a568ed593f128aeb7ecd4 Mon Sep 17 00:00:00 2001 From: Bruno Haible Date: Tue, 3 Apr 2007 00:31:40 +0000 Subject: [PATCH] Avoid performing the test for real on x86 or x86_64 platforms running MacOS X. --- ChangeLog | 6 ++++++ m4/intdiv0.m4 | 36 ++++++++++++++++++++++++++---------- 2 files changed, 32 insertions(+), 10 deletions(-) diff --git a/ChangeLog b/ChangeLog index 094361f51..b49f1492b 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,11 @@ 2007-04-02 Bruno Haible + * m4/intdiv0.m4 (gt_INTDIV0): Avoid performing the test for real on + x86 or x86_64 platforms running MacOS X. + Reported by Ryan Schmidt <@ryandesign.com>. + +2007-04-02 Bruno Haible + * m4/intdiv0.m4 (gt_INTDIV0): When cross-compiling, treat x86_64 like i386. diff --git a/m4/intdiv0.m4 b/m4/intdiv0.m4 index 42143e462..534134ac3 100644 --- a/m4/intdiv0.m4 +++ b/m4/intdiv0.m4 @@ -14,7 +14,22 @@ 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 "$gt_cv_int_divbyzero_sigfpe"; then + AC_TRY_RUN([ #include #include @@ -47,17 +62,18 @@ int main () exit (1); } ], gt_cv_int_divbyzero_sigfpe=yes, gt_cv_int_divbyzero_sigfpe=no, - [ - # Guess based on the CPU. + [ + # Guess based on the CPU. changequote(,)dnl - case "$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 + 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;; -- 2.11.0