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Re: Your toplev.c commit breaks bootstrap on i686-darwin

From: "Daniel Berlin" <dberlin at dberlin dot org>
To: "GCC Patches" <gcc-patches at gcc dot gnu dot org>, ctice at apple dot com
Date: Sat, 21 Jul 2007 01:10:28 -0400
Subject: Re: Your toplev.c commit breaks bootstrap on i686-darwin
References: <4aca3dc20707202205qfa99f78we94ee3b990c54ba7@mail.gmail.com>

On 7/21/07, Daniel Berlin <dberlin@dberlin.org> wrote:

Rev 126804 breaks bootstrap on darwin

Ugh, not 126804, 126630

Sorry about that


It shows up as a failure to compile libiberty with the stage1 compiler
during stage2, because of the warning you added causing configure
tests to fail

configure:3801:  /Users/dannyb/gccstuff/pta-dev/build/./prev-gcc/xgcc
-B/Users/dannyb/gccstuff/pta-dev/build/./prev-gcc/
-B/usr/local/i386-apple-darwin9.0.0b1/bin/ -E  conftest.c
conftest.c:0: warning: variable tracking requested, but useless unless
producing debug info
configure:3807: $? = 0

This is because you turn it on unconditionally in darwin.c for 10.5+,
so it warns even when we are not going to output code.

Please fix by not forcing it on unless -g is passed, so the warning
does not happen.

References:
- Your toplev.c commit breaks bootstrap on i686-darwin
  - From: Daniel Berlin

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