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Re: final snapshot in preparation for m4 1.4.12

From: Eric Blake
Subject: Re: final snapshot in preparation for m4 1.4.12
Date: Mon, 29 Sep 2008 06:05:07 -0600
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According to Tom G. Christensen on 9/28/2008 4:16 AM:
> I gave this a run on Irix 5.3, 6.2 & 6.5 using SGI compilers.
> Things look good and the m4 testsuite passes on all 3 platforms.

Good to hear!

> On Irix 5.3 it skips test-cstack2.sh because it wants libsigsegv for full
> c-stack functionality and I did not test with that
> (Irix really needs libsigsegv 2.7 which is not yet released).

That's Bruno's call, but it does not hold up a release of m4 1.4.12.

> On Irix 6.x gnulib test-signbit still fails:
> test-signbit.c:149: assertion failed
> /bin/ksh[10]: 18432 Abort(coredump)
> FAIL: test-signbit

That line is "ASSERT (!signbit (-zerol));".  I wonder if we're tripping
over some compiler bugs; at any rate, it is in the area of code where we
still don't have an answer for the HP compiler bug on how to reliably
compile -0.0L (minus_zerol in the if on line 146 is not necessarily the
same as -zerol in the ASSERT, so the wrong if branch may have been taken).
 Can you post the relevent section of config.log related to signbit tests?

- --
Don't work too hard, make some time for fun as well!

Eric Blake             address@hidden
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