Difference between revisions of "ICU/bugs and patches"
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Revision as of 14:05, 11 January 2008
List of patches applied to OOo's ICU module and bugs and patches submitted to ICU trac, the ICU bug tracking system.
If you really have to apply a patch to ICU to make things work, please submit that patch to ICU trac, so the next version of ICU will include the changes, and list your patch with ICU trac ID here. We strive for being able to build against an unpatched ICU, so that configure --with-system-icu will be possible without loosing functionality.
Contents
make RuleBasedBreakIterator::setBreakType() public
Using a locally constructed rule based line breakiterator may let ICU loop forever because of a missing fBreakType value. The patch is more a workaround, needing a proper solution.
ICU trac: http://bugs.icu-project.org/trac/ticket/5498 (submitted as http://bugs.icu-project.org/trac/ticket/6012 that got closed as a duplicate).
OOo patch developer: Karl Hong <khong>
don't access unaligned memory for rotten fonts
The title says it all.. some processor architectures don't allow unaligned memory access, but some rotten fonts don't care and in their header fields tell you to do so. Of course these TrueType fonts do work on Windows/x86 (not being one of those architectures), but people complained about crashes on other platforms, e.g. Solaris/SPARC, where they copied their fonts to.
ICU trac: http://bugs.icu-project.org/trac/ticket/6083
OOo patch developer: Herbert Duerr <hdu>
compile warning free
OOo build treats warnings as errors, so ICU header files included may break the build. Some are wrapped in a second include file using a compiler dependent #pragma ...
, some are patched directly, depends on who encountered the problem.
ICU trac: http://bugs.icu-project.org/trac/ticket/6090
OOo patch developer: Caolan McNamara <cmc>
MinGW platform
Several patches to be able to build and use ICU on the Minimalist GNU for Windows platform.
TODO: gather who did all the work
TODO: make them file an ICU patch ;-)
Indic rendering
Several changes related to Indic rendering in ICU 3.8 were back-ported to OOo's ICU 3.6, see issue 72791
OOo patch developer: Herbert Duerr <hdu>
add RPATH for URE
The patch changes RPATH from $ORIGIN
to $ORIGIN:$ORIGIN/../ure-link/lib
because libicu*.so are linked against libstdc++.so.6 and libgcc_s.so.1 that are distributed with the new layered UNO Runtime Environment (URE). This to ensure that the libraries are found there in case they are not already loaded.
However, one could argue that the libraries are already loaded when ICU is pulled in, which almost certainly is the case for libstdc++, and probably also for the libgcc_s GCC support library, but that for some machine models may contain some rarely used symbols such that it wasn't loaded but ICU needs it. This is very unlikely though, but you never know..
Anyway, the patch certainly is nothing to upstream, hence no ICU trac ID.
We'll keep thinking about another solution.
OOo developer: Stephan Bergmann <sb>