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Re: [PATCH 2/2] xfstests: Automatic build dependency calculations

To: Dave Chinner <david@xxxxxxxxxxxxx>
Subject: Re: [PATCH 2/2] xfstests: Automatic build dependency calculations
From: Eric Sandeen <sandeen@xxxxxxxxxxx>
Date: Wed, 27 Jan 2010 17:06:30 -0600
Cc: xfs@xxxxxxxxxxx
In-reply-to: <20100127225737.GG15853@xxxxxxxxxxxxxxxx>
References: <1264053773-6054-1-git-send-email-david@xxxxxxxxxxxxx> <1264053773-6054-3-git-send-email-david@xxxxxxxxxxxxx> <4B60932D.7060709@xxxxxxxxxxx> <20100127225737.GG15853@xxxxxxxxxxxxxxxx>
User-agent: Thunderbird (X11/20090320)
Dave Chinner wrote:
> On Wed, Jan 27, 2010 at 01:25:33PM -0600, Eric Sandeen wrote:
>> Dave Chinner wrote:
>>> Currently the xfstest builds do not have any automatic dependency
>>> calculations. It relies on a separate make depend run to build or
>>> update dependency information. It also relies on an external
>>> makedepend binary. If that binary does not exist, the dependencies
>>> do not get calculated.
>>> To remove the dependency on makedepend, gcc can be used instead as
>>> it has a command to generate dependency information. This patch
>>> changes the dependency rule building to use gcc.
>>> In case anyone uses an old (several years) gcc compiler or a
>>> compiler that doesn't support gcc compatible dependency generation,
>>> a new configure check is added to turn off dependency checking so
>>> builds can still be done.
>>> To use the dependencies automatically, we need to use a special
>>> include makefile directive to include the build dependencies into
>>> the current makefile.  Essentially once the dependencies are
>>> calculated, they can be included into the makefile and make will
>>> recalculate the build dependencies automatically based on that
>>> information.
>>> Hence we get a build that automatically calculates and keeps
>>> dependencies up to date without dependence on any external tools.
>>> Signed-off-by: Dave Chinner <david@xxxxxxxxxxxxx>
>> seems to be some fallout from this at least on my F10 box:
>> /usr/bin/makedepend: warning:  ignoring option -Wall
>> /usr/bin/makedepend: error:  cannot open "no-strict-aliasing"
>> also this change:
>> -       preallo_rw_pattern_reader preallo_rw_pattern_writer ftrunc trunc \
>> -       fs_perms testx looptest locktest unwritten_mmap \
>> +       ftrunc trunc fs_perms testx looptest locktest unwritten_mmap \
>>         bulkstat_unlink_test bulkstat_unlink_test_modified t_dir_offset \
>> ...
>> +PREALLO_TARGETS = preallo_rw_pattern_reader
>> seems to have lost the build of preallo_rw_pattern_reader & writer.
>> Was that stray, or what were you going for there?
> I thought I fixed all that up after hch's patches went in. Bugger.
> I'll try to get a few minutes at lunchtime to fix it.

hch has the 2nd one fixed already.  not sure about the warnings.


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