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Date: Fri, 7 Jun 2013 16:50:58 -0700 (PDT)
From: Don Lewis <truckman@FreeBSD.org>
Subject: Re: svn commit: r251512 - in head: . etc etc/mtree gnu/usr.bin/gdb
 gnu/usr.bin/gdb/arch/amd64 gnu/usr.bin/gdb/arch/arm
 gnu/usr.bin/gdb/arch/i386 gnu/usr.bin/gdb/arch/ia64
 gnu/usr.bin/gdb/arch/mips gnu/...
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Cc: svn-src-head@FreeBSD.org, svn-src-all@FreeBSD.org,
 src-committers@FreeBSD.org, emaste@FreeBSD.org
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On  7 Jun, Glen Barber wrote:
> On Fri, Jun 07, 2013 at 04:35:23PM -0700, Don Lewis wrote:
>> On  7 Jun, Ed Maste wrote:
>> > Author: emaste
>> > Date: Fri Jun  7 21:40:02 2013
>> > New Revision: 251512
>> > URL: http://svnweb.freebsd.org/changeset/base/251512
>> > 
>> > Log:
>> >   Add a new knob WITH_DEBUG_FILES to control the building of standalone
>> >   debug files for userland programs and libraries.  The "-g" debug flag
>> >   is automatically applied when WITH_DEBUG_FILES is set.
>> >   
>> >   The debug files are now named ${prog}.debug and ${shlib}.debug for
>> >   consistency with other systems and documentation.  In addition they are
>> >   installed under /usr/lib/debug, to simplify the process of installing
>> >   them if needed after a crash.  Users of bsd.{prog,lib}.mk outside of the
>> >   base system place the standalone debug files in a .debug subdirectory.
>> >   GDB automatically searches both of these directories for standalone
>> >   debug files.
>> 
>> Can the debug files be compressed so they don't take up as much room? It
>> looks like gdb supports compressed symbol files.  The same would be nice
>> for /boot/kernel/*.symbols, btw ...
>> 
> 
> I don't think compression will gain us much here.  The difference of
> release medium size with WITH_DEBUG_FILES set versus without is ~2GB
> compared to ~750MB.  On the release medium, the debug files are
> compressed with the base system with xz(1).

I'm not concerned so much about the size of the release medium as I am
about how much space this will take on my /usr partition.  I still
remember having to resize the root partitions on all my machines when
the kernel symbols were added.  My head machine also has a small drive
with everything under / and space is very tight once all the ports are
installed.