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Re: [Patch,AVR] Was/Fix: error linking lto1 for target avr

From: Georg-Johann Lay <avr at gjlay dot de>
To: Denis Chertykov <chertykov at gmail dot com>
Cc: gcc-patches at gcc dot gnu dot org, Ian Lance Taylor <iant at google dot com>, Steven Bosscher <stevenb dot gcc at gmail dot com>, sean at depagnier dot com, GCC Mailing List <gcc at gcc dot gnu dot org>
Date: Wed, 30 Nov 2011 09:46:07 +0100
Subject: Re: [Patch,AVR] Was/Fix: error linking lto1 for target avr
References: <CABu31nONrKUqC2ofy7x72aQ=u9Nof2berU92_XD6ack+azGWFQ@mail.gmail.com> <4ED216F7.3070901@gjlay.de> <mcrr50t5u9u.fsf@dhcp-172-18-216-180.mtv.corp.google.com> <4ED27DF2.2080907@gjlay.de> <mcrmxbg6dvp.fsf@dhcp-172-18-216-180.mtv.corp.google.com> <4ED383C3.5040402@gjlay.de> <mcraa7g3zo5.fsf@dhcp-172-18-216-180.mtv.corp.google.com> <4ED51080.9090306@gjlay.de> <CADOs=zaNr5=OmVWV5njhrT8NGHxnL1M7U=ng4z1i2O5LbyMURg@mail.gmail.com>

Denis Chertykov wrote:

2011/11/29 Georg-Johann Lay:
I attached a patch but I fail to find the right configure options for
gcc/binutils as the testsuite complains
./avr/bin/ld: bad -plugin option

Configured gcc with --enable-lto and binutils 2.21 with --enable-plugin.

Maybe the patch can be pre-approved so that the others can proceed with their work?
Better to complete this work.

The patch itself is complete from my side.

It's not passing the test suite because of some mis-configuration of gcc and/or binutils, not because the patch is incomplete.

I just can't find the right configure options to get the LTO stuff work, i.e. how to enable plugins in binutils and LTO in gcc.

Johann

Denis.

Follow-Ups:
- Re: [Patch,AVR] Was/Fix: error linking lto1 for target avr
  - From: Ian Lance Taylor

References:
- [Patch,AVR] Was/Fix: error linking lto1 for target avr
  - From: Georg-Johann Lay
- Re: [Patch,AVR] Was/Fix: error linking lto1 for target avr
  - From: Denis Chertykov

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