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From "Pierre Queinnec (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-5114) support for Mac OS
Date Sun, 16 Jan 2011 12:36:47 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-5114?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12982289#action_12982289

Pierre Queinnec commented on HARMONY-5114:

Hi guys,

I've made some progress towards a fully functional port for Mac OS X. Here is a rough patch
that makes Harmony build successfully on Mac OS X 10.5 (see full environment in the attached
verbose build log). It has been produced on branches/java6. I expect to be able to also port
it to 10.6 once I get the chance.

It is still rough because I tried to keep it minimal and clean, but there were some parts
where I was sure there was a better, canonical, way of doing things, so I left them out.

It builds successfully but fails trying to call hythread_allocate_library. I think it's mostly
due to my still limited understanding of the interaction between the stub threadlib and the
'real' one ("hy.skip.thr" and friends). I will also attach the wrapper scripts I use to build.

Running ./java in the resulting JRE bin directory gives the following output (sorry for the
lame printf's):

queinnec@pasiphae:/usr/local/src/harmony-java6-trunk/target/hdk/jdk/jre/bin$ ./java -version
PMQ - #2
PMQ - hyport_init_library#1
PMQ - hyport_create_library#4
PMQ - hyport_init_library#2 rc=0
dyld: lazy symbol binding failed: Symbol not found: _hythread_allocate_library
  Referenced from: /usr/local/src/harmony-java6-trunk/target/hdk/jdk/jre/bin/libhyprt.dylib
  Expected in: /usr/local/src/harmony-java6-trunk/target/hdk/jdk/jre/bin/libhythr.dylib

dyld: Symbol not found: _hythread_allocate_library
  Referenced from: /usr/local/src/harmony-java6-trunk/target/hdk/jdk/jre/bin/libhyprt.dylib
  Expected in: /usr/local/src/harmony-java6-trunk/target/hdk/jdk/jre/bin/libhythr.dylib

Trace/BPT trap

Interestingly I had to comment the version check in classlib/modules/portlib/src/main/native/port/shared/hyport.c.
There are probably some hunks in the patch that could be applied to the trunk :
- classlib/modules/portlib/src/main/native/port/unix/makefile
- drlvm/vm/jitrino/src/codegenerator/ia32/Ia32CodeSelector.cpp (but I am C++-clueless)

-- Pierre

> support for Mac OS
> ------------------
>                 Key: HARMONY-5114
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5114
>             Project: Harmony
>          Issue Type: New Feature
>          Components: VM
>         Environment: Operating system : Mac OS X 10.4+
>            Reporter: Michel Rondeau
> Actually neither Sun nor Apple provide support for Java 1.6 on Leopard (OS X 10.6) while
this release has been available for 11 months. The major migration issue will be the integration
with the Cocoa framework (based on Objective-C 2.0). At this point however, a working version
within the X11 environment would be a good starting point.

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