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xfsprogs - debug build with -O0

To: xfs-oss <xfs@xxxxxxxxxxx>
Subject: xfsprogs - debug build with -O0
From: Jan Tulak <jtulak@xxxxxxxxxx>
Date: Wed, 9 Sep 2015 14:35:54 +0200
Delivered-to: xfs@xxxxxxxxxxx
Hi all,

Is there a way how to disable compiler optimisation in xfsprogs? It should be done with setting env variable OPTIMIZER='-O0', however, even though this is mentioned on few places in xfsprogs, it doesn't work and the configure file always use "-O2" from autogenerated m4/libtool.m4. Other environment variables works as expected.

So far, when in need of debugging, I have been manually replacing -O2 with -O0 in configure, but this isn't a good solution. So, is there another way, or it is just broken? I find it strange that nobody would mind messed GDB outputs... :-)

Cheers,
Jan

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