Mercurial > hg > octave-lojdl > gnulib-hg
changeset 8614:907387cee4d9
Avoid performing the test for real on x86 or x86_64 platforms running MacOS X.
| author | Bruno Haible <bruno@clisp.org> |
|---|---|
| date | Tue, 03 Apr 2007 00:31:40 +0000 |
| parents | 2538349775e0 |
| children | 93169764276b |
| files | ChangeLog m4/intdiv0.m4 |
| diffstat | 2 files changed, 32 insertions(+), 10 deletions(-) [+] |
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--- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +2007-04-02 Bruno Haible <bruno@clisp.org> + + * 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 <bruno@clisp.org> * m4/intdiv0.m4 (gt_INTDIV0): When cross-compiling, treat x86_64 like
--- a/m4/intdiv0.m4 +++ b/m4/intdiv0.m4 @@ -14,7 +14,22 @@ 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 "$gt_cv_int_divbyzero_sigfpe"; then + AC_TRY_RUN([ #include <stdlib.h> #include <signal.h> @@ -47,17 +62,18 @@ exit (1); } ], gt_cv_int_divbyzero_sigfpe=yes, gt_cv_int_divbyzero_sigfpe=no, - [ - # Guess based on the CPU. + [ + # Guess based on the CPU. changequote(,)dnl - case "$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;;