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[bug #16342] bus error in autogsdoc on some architectures
From: |
Hubert Chan |
Subject: |
[bug #16342] bus error in autogsdoc on some architectures |
Date: |
Sat, 22 Apr 2006 17:53:23 -0400 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8) Gecko/20060110 Debian/1.5.dfsg-4 Firefox/1.5 |
Follow-up Comment #1, bug #16342 (project gnustep):
Jurij Smakov found the cause of the bug, as recorded in the Debian bug log.
Apparently, the test in config/config.align.c for testing whether the
architecture needs shorts/ints to be word-aligned does not work properly, as
gcc optimizes away the assignments that are used to test it if "-O2" is part
of CFLAGS (which it is by default).
A fix is to force the compiler to make the assignments by, for example,
passing buf to an external function. For example, the attached file (just a
3-line change from the original config/config.align.c) does this by passing
buf to puts.
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Additional Item Attachment:
File name: config.align.c Size:0 KB
patched config/config.align.c that forces the compiler to not optimize away
assignments
<http://savannah.gnu.org/bugs/download.php?file_id=9823>
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