>=gcc-4.5.0 failing to compile with --disable-checking

>=gcc-4.5.0 failing to compile with --disable-checking

[Raúl Porcel]

Hi Uros,

Using latest trunk, with:
../configure --host=alpha-unknown-linux-gnu
--build=alpha-unknown-linux-gnu --enable-languages=c --disable-checking

and

make -j5 bootstrap-lean

Fails with the following error:

make[3]: Entering directory `/root/gcc/trunk/build'
rm -f stage_current
make[3]: Leaving directory `/root/gcc/trunk/build'
Comparing stages 2 and 3
warning: gcc/cc1-checksum.o differs
Bootstrap comparison failure!
gcc/cgraph.o differs
gcc/pretty-print.o differs
gcc/real.o differs
gcc/dwarf2out.o differs
gcc/gimple-low.o differs
gcc/tree-vect-stmts.o differs
gcc/combine.o differs
gcc/tree-cfg.o differs
gcc/ira-build.o differs
gcc/dominance.o differs
gcc/sched-ebb.o differs
gcc/tree-ssa-structalias.o differs
gcc/df-scan.o differs
gcc/dfp.o differs
gcc/alpha.o differs
gcc/cfgloopmanip.o differs
gcc/tree-vrp.o differs
gcc/dwarf2asm.o differs
gcc/c-family/c-format.o differs
gcc/c-family/c-omp.o differs
gcc/c-family/c-pragma.o differs
gcc/c-family/c-common.o differs
gcc/alias.o differs
gcc/lto-cgraph.o differs
gcc/var-tracking.o differs
gcc/tree-ssa-reassoc.o differs
gcc/sched-rgn.o differs
gcc/tree-into-ssa.o differs
gcc/tree-ssa-threadedge.o differs
gcc/tree-vect-loop.o differs
gcc/ira-color.o differs
gcc/tree-ssa-loop-ivopts.o differs
gcc/tree-eh.o differs
gcc/c-typeck.o differs
gcc/graphds.o differs
gcc/build/genautomata.o differs
gcc/build/genemit.o differs
gcc/c-parser.o differs
gcc/tree-inline.o differs
gcc/lambda-mat.o differs
gcc/tree-ssa-copy.o differs
gcc/lto-streamer.o differs
gcc/omega.o differs
gcc/loop-iv.o differs
gcc/recog.o differs
gcc/lto-streamer-out.o differs
gcc/cfgexpand.o differs
gcc/loop-invariant.o differs
gcc/loop-unroll.o differs
gcc/reginfo.o differs
gcc/cfghooks.o differs
gcc/passes.o differs
gcc/tree-ssa-operands.o differs
gcc/cse.o differs
gcc/tree-sra.o differs
gcc/emit-rtl.o differs
gcc/sbitmap.o differs
gcc/optabs.o differs
gcc/lto-section-in.o differs
gcc/expr.o differs
gcc/ipa-cp.o differs
gcc/gcse.o differs
gcc/langhooks.o differs
gcc/gimple.o differs
gcc/sparseset.o differs
gcc/cfglayout.o differs
gcc/stor-layout.o differs
gcc/df-problems.o differs
gcc/ddg.o differs
gcc/final.o differs
gcc/tree-ssa-dom.o differs
gcc/ipa.o differs
gcc/cfg.o differs
gcc/sel-sched.o differs
gcc/gimple-fold.o differs
gcc/tree-vect-slp.o differs
gcc/gimplify.o differs
gcc/function.o differs
gcc/sese.o differs
gcc/cfgrtl.o differs
gcc/omp-low.o differs
gcc/simplify-rtx.o differs
gcc/tree-ssa-forwprop.o differs
gcc/tree-ssa-ccp.o differs
gcc/varasm.o differs
gcc/calls.o differs
gcc/sched-deps.o differs
gcc/lto-symtab.o differs
gcc/tree-ssa-loop-im.o differs
gcc/cselib.o differs
gcc/builtins.o differs
gcc/except.o differs
gcc/c-decl.o differs
gcc/haifa-sched.o differs
gcc/tree.o differs
gcc/expmed.o differs
gcc/tree-tailcall.o differs
gcc/tree-ssa-sccvn.o differs
gcc/tree-dfa.o differs
gcc/df-core.o differs
gcc/ipa-inline.o differs
gcc/varpool.o differs
gcc/tree-data-ref.o differs
gcc/sel-sched-ir.o differs
gcc/lambda-code.o differs
gcc/params.o differs
gcc/resource.o differs
make[2]: *** [compare] Error 1
make[2]: Leaving directory `/root/gcc/trunk/build'
make[1]: *** [stage3-bubble] Error 2
make[1]: Leaving directory `/root/gcc/trunk/build'
make: *** [bootstrap-lean] Error 2

Have you hit this problem?

Thanks

Re: >=gcc-4.5.0 failing to compile with --disable-checking

[Måns Rullgård]

Raúl Porcel <armin76@gentoo.org> writes:

> Hi Uros,
>
> Using latest trunk, with:
> ../configure --host=alpha-unknown-linux-gnu
> --build=alpha-unknown-linux-gnu --enable-languages=c --disable-checking
>
> and
>
> make -j5 bootstrap-lean
>
> Fails with the following error:
>
> make[3]: Entering directory `/root/gcc/trunk/build'
> rm -f stage_current
> make[3]: Leaving directory `/root/gcc/trunk/build'
> Comparing stages 2 and 3
> warning: gcc/cc1-checksum.o differs
> Bootstrap comparison failure!
> gcc/cgraph.o differs
> gcc/pretty-print.o differs
> gcc/real.o differs

This is a known bug.  See http://bugs.gentoo.org/317217 and the gcc
bugzilla entries linked from there.

-- 
Måns Rullgård
mans@mansr.com

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Re: >=gcc-4.5.0 failing to compile with --disable-checking

[Raúl Porcel]

On 06/27/2010 09:20 PM, Måns Rullgård wrote:
> Raúl Porcel <armin76@gentoo.org> writes:
> 
>> Hi Uros,
>>
>> Using latest trunk, with:
>> ../configure --host=alpha-unknown-linux-gnu
>> --build=alpha-unknown-linux-gnu --enable-languages=c --disable-checking
>>
>> and
>>
>> make -j5 bootstrap-lean
>>
>> Fails with the following error:
>>
>> make[3]: Entering directory `/root/gcc/trunk/build'
>> rm -f stage_current
>> make[3]: Leaving directory `/root/gcc/trunk/build'
>> Comparing stages 2 and 3
>> warning: gcc/cc1-checksum.o differs
>> Bootstrap comparison failure!
>> gcc/cgraph.o differs
>> gcc/pretty-print.o differs
>> gcc/real.o differs
> 
> This is a known bug.  See http://bugs.gentoo.org/317217 and the gcc
> bugzilla entries linked from there.
> 

Hi Mans,

I know(i commented on that bug :D), i forgot to put the bug url here.
That bug report on GCC's bugzilla says its fixed, but in the case of
alpha its still not fixed(i've tried with latest trunk which contains
that fix).

Since Uros is the one that tends to fix alpha's gcc issues, i'm telling
him :)
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Re: >=gcc-4.5.0 failing to compile with --disable-checking

[Raúl Porcel]

On 06/27/2010 09:20 PM, Måns Rullgård wrote:
> Raúl Porcel <armin76@gentoo.org> writes:
> 
>> Hi Uros,
>>
>> Using latest trunk, with:
>> ../configure --host=alpha-unknown-linux-gnu
>> --build=alpha-unknown-linux-gnu --enable-languages=c --disable-checking
>>
>> and
>>
>> make -j5 bootstrap-lean
>>
>> Fails with the following error:
>>
>> make[3]: Entering directory `/root/gcc/trunk/build'
>> rm -f stage_current
>> make[3]: Leaving directory `/root/gcc/trunk/build'
>> Comparing stages 2 and 3
>> warning: gcc/cc1-checksum.o differs
>> Bootstrap comparison failure!
>> gcc/cgraph.o differs
>> gcc/pretty-print.o differs
>> gcc/real.o differs
> 
> This is a known bug.  See http://bugs.gentoo.org/317217 and the gcc
> bugzilla entries linked from there.
> 

I just tried what Siarhei suggested in that bug on comment #8, to revert
http://repo.or.cz/w/official-gcc.git/commit/598767c938d0d001bbbe41e0a189104bb53e3580
. Reverting it makes it compile gcc without any problem.
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