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Re: svn commit: r1209610 - /subversion/trunk/subversion/libsvn_subr/debug.c

From: Johan Corveleyn <jcorvel_at_gmail.com>
Date: Fri, 6 Jan 2012 23:50:02 +0100

On Fri, Jan 6, 2012 at 2:45 AM, Daniel Shahaf <d.s_at_daniel.shahaf.name> wrote:
> Johan Corveleyn wrote on Fri, Jan 06, 2012 at 02:12:15 +0100:
>> On Fri, Dec 2, 2011 at 7:04 PM,  <hwright_at_apache.org> wrote:
>> > Author: hwright
>> > Date: Fri Dec  2 18:04:14 2011
>> > New Revision: 1209610
>> >
>> > URL: http://svn.apache.org/viewvc?rev=1209610&view=rev
>> > Log:
>> > Fix builds where SVN_DEBUG is not defined.
>> >
>> > * subversion/libsvn_subr/debug.c:
>> >  Don't build any of this file if SVN_DEBUG isn't defined.  Callers don't have
>> >  access to it in that case, anyway.
>>
>> For some reason, after this commit my *Release* build on Windows (VCE
>> 2008) fails with:
>>
>> libsvn_subr.def : error LNK2001: unresolved external symbol svn_dbg__preamble
>> libsvn_subr.def : error LNK2001: unresolved external symbol svn_dbg__print_props
>> libsvn_subr.def : error LNK2001: unresolved external symbol svn_dbg__printf
>> ..\..\..\Release\subversion\libsvn_subr\libsvn_subr-1.lib : fatal
>> error LNK1120: 3 unresolved externals
>>
>> I've been trying to understand why, but I don't. Maybe something to do
>> with preprocessors and linkers ... but my C compilation knowledge is
>> lacking here :-).
>>
>> Is any of the other Windows devs seeing this?
>>
>> A Debug build still works, so if SVN_DEBUG is defined everything's ok.
>> I guess that's also the reason why the buildbots don't see this
>> problem (I guess they perform Debug-builds).
>>
> Does adding those three functions to the exceptions list in
> build/generator/extractor.py fix the release build (and break the
> debug build)?

Yes.

Release build works.

Debug build fails with:

libsvn_ra_local-1.lib(ra_plugin.obj) : error LNK2019: unresolved
external symbol _svn_dbg__printf referenced in function
_ignore_warnings
libsvn_ra_local-1.lib(ra_plugin.obj) : error LNK2019: unresolved
external symbol _svn_dbg__preamble referenced in function
_ignore_warnings
..\..\..\Debug\subversion\libsvn_ra\libsvn_ra-1.dll : fatal error
LNK1120: 2 unresolved externals

Any ideas on how to fix this?

Has anyone been able to make a Release build on Windows since this commit?

-- 
Johan
Received on 2012-01-06 23:50:56 CET

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