Re: [xmlvm-users] Compiling HelloWorld with --target=posix?

[Paul P. <bay...@gm...>]

Hi Ray,

I currently execute posix targets on Windows/Cygwin & also on OSX, but not
on Debian.  Here is a sample of an ant block I use:

<target name="xmlvm">
    <java jar="../xmlvm/dist/xmlvm.jar" failonerror="true" fork="true"
maxmemory="1024m">
        <arg value="--in=build/bin"/>
        <arg value="--out=build/xbin"/>
        <arg value="--target=posix"/>
        <arg value="--no-cache"/>
        <arg value="--app-name=HelloWorld"/>
    </java>
</target>

I do not have to make any modifications to the make file afterwards.  Your
issue is likely due to the differences on Debian, as I would bet you're the
first one trying that, believe it or not, since I gather most folks are
interested in iPhone development on OSX.  If you look at some of our code,
you'll find some platform specific code (a lot from Apache Harmony).  E.g.
#if defined (FREEBSD) || defined(MACOSX)
It sounds like you have some C experience, so if you would be able to nail
down those differences in a patch, I'm sure we could remedy the issue.

Thanks,
Paul


On Wed, Nov 9, 2011 at 3:25 PM, Ray Leland <ray...@gm...> wrote:

> Hello all,
>
> I am new to XMLVM and I am trying to compile a simple Hello World to c
> (I am on Debian) with:
>  $ java -Xmx1G -jar dist/xmlvm.jar --in=HelloWorld.class --target=posix
> But I get a lot of compilation problems.
>
> Currently I am running into an undefined portLibrary, which I believe
> it should be defined in one of Harmony's files, but I could not find
> it with a simple grep on the generated posix/src directory. The error
> message is:
>
> gcc -w -std=gnu99 -DALL_INTERIOR_POINTERS -DGC_THREADS
> -DTHREAD_LOCAL_ALLOC -DPARALLEL_MARK -DUSE_MMAP -DUSE_MUNMAP
> -DNO_DYLD_BIND_FULLY_IMAGE -I../src -DXMLVM_NO_GC -DLINUX -c
> ../src/xmlvm-util.c -o build/obj/xmlvm-util.o
> ../src/xmlvm-sock.c: In function ‘hysock_getnameinfo’:
> ../src/xmlvm-sock.c:769: error: ‘portLibrary’ undeclared (first use in
> this function)
> ../src/xmlvm-sock.c:769: error: (Each undeclared identifier is
> reported only once
> ../src/xmlvm-sock.c:769: error: for each function it appears in.)
> make: *** [build/obj/xmlvm-sock.o] Error 1
>
> Following are some steps I have already taken:
> 1. I added -DXMLVM_NO_GC to the CFLAGS to simplify things.
> 2. I changed S_IFDIR to __S_IFDIR in src/native_java_io_File.h (I am
> not so sure why the definition in sys.stat.h does not work).
> 3. Also changed --std=c99 to --std=gnu99 in CFLAGS, for otherwise I
> got an undefined ip_mreq.
> 4. I added -DLINUX to the CFLAGS, for otherwise the definition in
> hycomp.h does not kick in.
>
> Could someone tell me what are the steps needed to compile a simple
> HelloWorld with --target=posix? Surely I am not the first to try
> that...
>
> Ray
>
>
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