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Re: bootstrap of HEAD fails on FreeBSD AMD2 due to __clzdi2
On Tue, Aug 03, 2004 at 11:56:30AM -0700, Andrew Pinski wrote:
>
> On Aug 3, 2004, at 11:46 AM, Steve Kargl wrote:
>
> >On Tue, Aug 03, 2004 at 11:29:06AM -0700, Andrew Pinski wrote:
> >>
> >>On Aug 3, 2004, at 11:22 AM, Steve Kargl wrote:
> >>
> >>>libbackend.a(real.o)(.text+0x3138): In function `floor_log2':
> >>>../../gcc/gcc/toplev.h:180: undefined reference to `__clzdi2'
> >>>libbackend.a(rtlanal.o)(.text+0x87d8):../../gcc/gcc/toplev.h:180:
> >>>more
> >>>undefined references to `__clzdi2' follow
> >>
> >>This sounds like you started with one compiler and the continued with
> >>another.
> >>
> >
> >The only compiler on the system is
> >
> >dhcp-78-96:sgk[233] gcc --version
> >gcc (GCC) 3.4.2 [FreeBSD] 20040728
>
>
> Then this is a bug your system compiler and you have the wrong version
> of libgcc as these
> symbols come from there.
>
> These builtins (__builtin_clzll and __builtin_clzl) were new for 3.4.0.
>
> Thanks,
> Andrew Pinski
You are correct. I missed a change while doing GCC 3.4.2 snapshot integration
into FreeBSD source tree. This has nothing to do with GCC 3.4.2 tarballs
and their bootstrap procedures. The bug was in FreeBSD-specific Makefiles.
--
Alexander Kabaev