Bug 55080 - [build error with -flto] relocation R_386_GOTOFF against undefined symbol `x86_entry_end.2334.4268' can not be used when making a shared object
Summary: [build error with -flto] relocation R_386_GOTOFF against undefined symbol `x8...
Status: RESOLVED WONTFIX
Alias: None
Product: Mesa
Classification: Unclassified
Component: Mesa core (show other bugs)
Version: 9.0
Hardware: All Linux (All)
: medium normal
Assignee: mesa-dev
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: 55599 (view as bug list)
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Blocks:
 
Reported: 2012-09-19 08:18 UTC by Fabio Pedretti
Modified: 2012-11-26 18:29 UTC (History)
2 users (show)

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Description Fabio Pedretti 2012-09-19 08:18:27 UTC 
When trying to build git mesa with gcc LTO (gcc 4.7.1-9ubuntu2), it fails with this error:

  CCLD   libglapi.la
/usr/bin/ld: /tmp/cc2u7Pv8.ltrans0.ltrans.o: relocation R_386_GOTOFF against undefined symbol `x86_entry_end.2334.4268' can not be used when making a shared object
/usr/bin/ld: final link failed: Bad value

Full build log here:
https://launchpadlibrarian.net/116598460/buildlog_ubuntu-quantal-i386.mesa_9.1~git1209190941.9aa8ba~gd~q_FAILEDTOBUILD.txt.gz

(This may be a gcc bug)
Comment 1 Fabio Pedretti 2012-11-09 17:10:42 UTC 
*** Bug 55599 has been marked as a duplicate of this bug. ***
Comment 2 Saleem Abdulrasool 2012-11-25 18:15:06 UTC 
Changing the version as it is reproducible with the 9.0.1 release tarball.
Comment 3 Ian Romanick 2012-11-26 18:29:18 UTC 
I believe that they way Mesa does dispatch backpatching is incompatible with link-time optimization.  You might try defining GLX_X86_READONLY_TEXT.  Either way, I don't think this is something we can fix.

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