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Re: [build] Move crtfastmath to toplevel libgcc
On Wed, Jul 13, 2011 at 11:50 AM, H.J. Lu <hjl.tools@gmail.com> wrote:
> On Wed, Jul 13, 2011 at 10:12 AM, Rainer Orth
> <ro@cebitec.uni-bielefeld.de> wrote:
>> Richard Henderson <rth@redhat.com> writes:
>>
>>> On 07/13/2011 09:57 AM, Rainer Orth wrote:
>>>> Do you think the revised crtfastmath patch is safe enough to commit
>>>> together to avoid this mess?
>>>
>>> Probably.
>>
>> Ok. ?I'll will take this on me to get us out of this mess. ?It has
>> survived i386-pc-solaris2.11, sparc-sun-solaris2.11,
>> x86_64-unknown-linux-gnu, and i386-apple-darwin9.8.0 bootstraps, so the
>> risk seems acceptable.
>>
>>>> +# -frandom-seed is necessary to keep the mangled name of the constructor on
>>>> +# Tru64 Unix stable, but harmless otherwise.
>>>
>>> Instead of implying permanent stability, I'd mention bootstrap comparison
>>> failures specifically.
>>
>> Ok, will do.
>
> I think your patch caused:
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49739
>
I am checking in this patch from Rainer if it bootstraps on Linux/ia32.
--
H.J.
---
Index: config.gcc
===================================================================
--- config.gcc (revision 176260)
+++ config.gcc (working copy)
@@ -1304,6 +1304,9 @@ i[34567]86-*-linux* | i[34567]86-*-kfree
esac
else
tm_file="${tm_file} i386/gnu-user.h i386/linux.h"
+ # This is a hack to avoid a configuration mismatch
+ # until the toplevel libgcc move is complete.
+ extra_parts="${extra_parts} crtprec32.o crtprec64.o crtprec80.o
crtfastmath.o"
fi
;;
i[34567]86-*-knetbsd*-gnu) tm_file="${tm_file} i386/gnu-user.h
knetbsd-gnu.h i386/knetbsd-gnu.h" ;;