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Re: [PATCH, alpha]: Fix PR/47230 [4.6/4.7 Regression] gcc fails to bootstrap on alpha in stage2 with "relocation truncated to fit: GPREL16 against ..."
- From: Uros Bizjak <ubizjak at gmail dot com>
- To: Richard Henderson <rth at redhat dot com>
- Cc: "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>, Michael Cree <mcree at orcon dot net dot nz>
- Date: Tue, 3 Mar 2015 15:14:00 +0100
- Subject: Re: [PATCH, alpha]: Fix PR/47230 [4.6/4.7 Regression] gcc fails to bootstrap on alpha in stage2 with "relocation truncated to fit: GPREL16 against ..."
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On Mon, Mar 2, 2015 at 7:23 PM, Richard Henderson <rth@redhat.com> wrote:
>> Unfortunately, while "normal" bootstrap works OK with alpha-linux-gnu
>> and alphaev68-linux-gnu, the bootstrap still fails when configured
>> --with-build-config=bootstrap-lto:
>>
>> libbackend.a(tree-data-ref.o): In function `non_affine_dependence_relation':
>> /space/uros/gcc-build-profiled/gcc/../../gcc-svn/trunk/gcc/tree-data-ref.c:1661:(.text+0x1b8):
>> relocation truncated to fit: GPREL16 against symbol `dump_file'
>> defined in .sbss section in libbackend.a(dumpfile.o)
>
> Interesting. And using bootstrap-lto works with --no-relax? I don't believe
> I've ever tried it...
Yes, I can re-confirm, that Rev: 221041 can bootstrap with
-Wl,--no-relax patch on alphaev68-linux-gnu, when configured with
"--with-build-config=bootstrap-lto --disable-werror
--enable-languages=c,c++,fortran" with binutils 2.25. I will post
testresults when bootstrap+regression test finish.
Uros.