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Re: Maintainer mode and debug flags

From: Hyrum K. Wright <hyrum_wright_at_mail.utexas.edu>
Date: 2007-04-19 22:28:42 CEST

C. Michael Pilato wrote:
> Hyrum K. Wright wrote:
>> While attempting a build without debugs flags earlier today, I noticed
>> that the vanilla configure includes '-g -O2' in CFLAGS. This is kind of
>> pointless, because of the fact that debugging with optimizations is
>> painful at best, futile at worst. r24655 was a somewhat misguided
>> effort to fix that problem, and quickly managed to break the
>> buildslaves. It was reverted in r24666.
>> So, my proposal is thus:
>> 1) Currently configure complains if '--disable-debug' is given with
>> '--enable-maintainer-mode' because the second implies
>> '--enable-debug'. After some discussion on IRC, dlr proposed the
>> following:
>> I think '--enable-maintainer-mode' '--disable-debug' should define
>> SVN_DEBUG, but turn off -g.
>> I agree, and propose it be implemented as such.
>> 2) Debug symbols, that is including '-g' in CFLAGS, should be off by
>> default, and only enabled when requested by '--enable-debug' or
>> '--enable-maintainer-mode'. We may have had this debate before, but
>> what is the reason for a vanilla './configure' including '-g'?
> You don't explicitly address the -O2 complaint. What's your plan?
> (I think --enable-maintainer-mode should turn off optimizations.)

Agreed. Especially since it implies --enable-debug, and hence -g.


Received on Thu Apr 19 22:28:50 2007

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