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From Robert Newson <rnew...@connected.com>
Subject Re: Building gcj target.
Date Tue, 21 Jun 2005 18:03:46 GMT

Thanks, that's helpful.

The ant target uses gcj to compile from both .java and .class files. It 
also seems to specify particular compiler options which implies that it 
*should* compile out of the box.

I'm keen to have this target working, so I'll hack on the Makefile for a 
bit.

B.

p.s. I'm using the latest from HEAD.

Andi Vajda wrote:
> 
> Lucene can be built with gcj but some patching is required. It is also a 
> lot easier to build Lucene with gcj from .class files than from .java 
> sources.
> See the PyLucene project at http://pylucene.osafoundation.org for more 
> information. PyLucene is a gcj-compiled Lucene wrapped by SWIG in order 
> to integrate it with Python.
> 
> The http://svn.osafoundation.org/pylucene/trunk/INSTALL and
>     http://svn.osafoundation.org/pylucene/trunk/Makefile files should 
> provide useful information.
> 
> Andi..
> 
> On Tue, 21 Jun 2005, Robert Newson wrote:
> 
>> Hi,
>>
>> I'm having some problems building Lucene using GCJ.
>>
>> I've appended some compiler output (there's lot more undefined 
>> references).
>>
>> Does the gcj target work for anyone else?
>>
>> I'm using Debian sarge with GCJ-3.4 with the following build command;
>>
>> GCJ=gcj-3.4 GCJH=gcjh-3.4 GPLUSPLUS=g++-3.4 ant clean gcj
>>
>> I have the following gcj related packages:
>>
>> ii  gcj-3.4        3.4.3-13       The GNU compiler for Java(TM)
>> ii  libgcj-common  4.0.0-9        Java runtime library (common files)
>> ii  libgcj5        3.4.3-13       Java runtime library for use with gcj
>> ii  libgcj5-awt    3.4.3-13       AWT peer runtime libraries for use 
>> with gcj
>> ii  libgcj5-common 3.4.3-13       Java runtime library for use with 
>> gcj (jar f
>> ii  libgcj5-dev    3.4.3-13       Java development headers and static 
>> library
>> ii  classpath      0.14-2         clean room standard Java libraries
>> ii  classpath-comm 0.14-2         architecture independent files
>>
>> Errors below:
>>
>>     [exec] gcj-3.4 -O3 -ffast-math  -fno-bounds-check -fno-store-check 
>> -Dorg.apache.lucene.FSDirectory.class=org.apache.lucene.store.GCJDirectory 
>> -Dorg.apache.lucene.SegmentReader.class=org.apache.lucene.index.GCJSegmentReader

>> -lstdc++ ../../build/lucene-demos-1.9-rc1-dev.a 
>> ../../build/gcj/lucene-gcj.a 
>> ../../build/gcj/org/apache/lucene/index/GCJTermDocs.o 
>> ../../build/gcj/org/apache/lucene/store/GCJIndexInput.o -o 
>> ../../build/indexFiles \
>>     [exec]          --main=org.apache.lucene.demo.IndexFiles
>>     [exec] ../../build/lucene-demos-1.9-rc1-dev.a(.text+0xde): In 
>> function 
>> `org::apache::lucene::demo::DeleteFiles::main(JArray<java::lang::String*>*)':

>>
>>     [exec] : undefined reference to 
>> `org::apache::lucene::store::FSDirectory::getDirectory(java::lang::String*, 
>> bool)'
>>     [exec] ../../build/lucene-demos-1.9-rc1-dev.a(.text+0xe8): In 
>> function 
>> `org::apache::lucene::demo::DeleteFiles::main(JArray<java::lang::String*>*)':

>>
>>     [exec] : undefined reference to 
>> `org::apache::lucene::index::IndexReader::open(org::apache::lucene::store::Directory*)'

>>
>>     [exec] ../../build/lucene-demos-1.9-rc1-dev.a(.text+0xf6): In 
>> function 
>> `org::apache::lucene::demo::DeleteFiles::main(JArray<java::lang::String*>*)':

>>
>>     [exec] : undefined reference to 
>> `org::apache::lucene::index::Term::class$'
>>     [exec] ../../build/lucene-demos-1.9-rc1-dev.a(.text+0x116): In 
>> function 
>> `org::apache::lucene::demo::DeleteFiles::main(JArray<java::lang::String*>*)':

>>
>>     [exec] : undefined reference to 
>> `org::apache::lucene::index::Term::Term(java::lang::String*, 
>> java::lang::String*)'
>>
>>
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>>


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