Bug 55080

Summary:	[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
Product:	Mesa	Reporter:	Fabio Pedretti <pedretti.fabio>
Component:	Mesa core	Assignee:	mesa-dev
Status:	RESOLVED WONTFIX	QA Contact:
Severity:	normal
Priority:	medium	CC:	compnerd, jrch2k10
Version:	9.0
Hardware:	All
OS:	Linux (All)
Whiteboard:
i915 platform:		i915 features:

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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