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From "Senaka Fernando" <senaka...@gmail.com>
Subject Re: Errors when Compiling gc_gen separately
Date Tue, 01 Apr 2008 04:33:26 GMT
Hi Xiao-Feng,

OK. Also, I have one more question. Unless otherwise someone has to write a
porting layer, isn't it better that we keep the required number of includes
etc. at a minimum. This will help us plug the GC to any other application as
a whole. However, we may need a platform-auto-sense. VM stuff of course will
be replaced.

And, I would like to know your opinion about whether you expect me to use
some of the Harmony includes (in vm/include) in the process, or whether my
starting point is the gc_gen directory?


On Tue, Apr 1, 2008 at 6:53 AM, Xiao-Feng Li <xiaofeng.li@gmail.com> wrote:

> Fernando, thanks for the try. You probably should be able to figure
> out the issues. :-)
> The first couple of lines state required header files are missing:
> src/common/gc_common.h:25:21: error: cxxlog.h: No such file or directory
> src/common/gc_common.h:26:23: error: port_vmem.h: No such file or
> directory
> src/common/gc_common.h:28:31: error: platform_lowlevel.h: No such file
> or directory
> src/common/gc_common.h:30:24: error: open/types.h: No such file or
> directory
> src/common/gc_common.h:31:24: error: open/vm_gc.h: No such file or
> directory
> src/common/gc_common.h:32:21: error: open/vm.h: No such file or directory
> src/common/gc_common.h:33:21: error: open/gc.h: No such file or directory
> src/common/gc_common.h:34:25: error: port_malloc.h: No such file or
> directory
> In file included from src/common/gc_for_class.h:26,
>                 from src/common/gc_common.h:36,
>                 from src/common/collection_scheduler.cpp:18:
> src/common/gc_platform.h:26:25: error: port_atomic.h: No such file or
> directory
> src/common/gc_platform.h:28:27: error: port_barriers.h: No such file
> or directory
> src/common/gc_platform.h:40:22: error: apr_time.h: No such file or
> directory
> src/common/gc_platform.h:41:24: error: apr_atomic.h: No such file or
> directory
> src/common/gc_platform.h:43:31: error: open/hythread_ext.h: No such
> file or directory
> The header files missed shown above are basically in two categories:
> 1. platform (in)dependent stuff, like platform_lowlevel.h,
> port_atomic.h, apr_atomic.h, etc.
> 2. vm (in)dependent stuff, such as those under open/ directory. They
> define the interfaces or contract between GC and VM.
> For 1, I believe Parrot has similar stuff for platform independent
> interfaces, though it doesn't use apr or port. You can help to figure
> out what are the specific functions used by GC and try to wrap them
> into gc_gen/common/gc_platform.h.
> For 2, these are the true stuff needing helps from Parrot community.
> We need understand the interfaces provided by Parrot for memory
> management, and try to match them with Harmony interface. It would be
> great if you can sort out the interfaces of the two VMs.
> Thanks,
> xiaofeng
> On Tue, Apr 1, 2008 at 4:20 AM, Senaka Fernando <senakafdo@gmail.com>
> wrote:
> > Hi all,
> >
> >  I compiled gc_gen separately, using just the headers and source defined
> > inside the gc_gen. I ran into a great number of error messages. I have
> > attached herewith the list of errors. This serves as a guideline of each
> and
> > every resource required by the GC, which is beyond its scope. The build
> > script used is, a simple g++ call that will include each and every
> header
> > and compile each and every source file within the gc_gen folder.
> >
> >  Please send in your valuable contributions regarding what should
> remain,
> > and what should go out. This file is pretty lengthy, therefore I believe
> > that we can take this little by little. I'm sending the first 1000 lines
> of
> > around 70000. Most of the errors are repeated in various forms. Thus
> > resolution of these should see a significant reduction of errors.
> >
> >  Regards,
> >  Senaka
> --
> http://xiao-feng.blogspot.com

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