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Message-ID:	<374103B51B3AD311ACDA0008C7E62E000106C147@smspap42m.rfc.com>
From:	"Gust, Micron" <MGust AT RFC DOT com>
To:	"Cygwin AT Sourceware DOT Cygnus DOT Com" <cygwin AT sourceware DOT cygnus DOT com>
Subject:	RE: GCJ Error: undefined reference to `InterlockedIncrement AT 4'
Date:	Wed, 9 Feb 2000 11:15:31 -0600
MIME-Version:	1.0
X-Mailer:	Internet Mail Service (5.5.2448.0)

Thanks Mumit.

I downloaded and tried to uncompress the file libkernel32.a.bz2, however, I
get an error saying that "this doesn't look like a tar archive". Do you know
why I cannot uncompress it? 

I'm typing this command:

   bunzip2 -c libkernel32.a.bz2 | tar xfv -

Thanks,

Micron

-----Original Message-----
From: Mumit Khan [mailto:khan AT NanoTech DOT Wisc DOT EDU]
Sent: Wednesday, February 09, 2000 10:33 AM
To: Gust, Micron
Cc: Cygwin AT Sourceware DOT Cygnus DOT Com; jb7216 AT bristol DOT ac DOT uk
Subject: Re: GCJ Error: undefined reference to `InterlockedIncrement AT 4' 


"Gust, Micron" <MGust AT RFC DOT com> writes:
> I am having problems getting a very simple "Hello World" java class to
> compile with gcj.
> 
> When I try to compile the class file it gives me the error message below.
> I've also tried compiling the .java file and I got the same error. Can
> anyone tell me what I'm doing wrong? 
> 
> FYI: I have installed:
> 1) The full version of Cygwin B20.1
> 2) GCC version 2.95.2 for Cygwin B20.x
> 3) Libgcj for Win32
> 
> Error Messages:
>
----------------------------------------------------------------------------
> -----------------
> bash-2.02$ gcj -mno-cygwin --main=Hello -o Hello Hello.class
> /usr/local/lib/libgccgcj.a(_eh.o): In function `eh_context_initialize':
>
/usr/local/build/gcc-2.95.2/gcc/../../../src/gcc-2.95.2/gcc/libgcc2.c(.text+
> 0x142): undefined reference to `InterlockedIncrement AT 4'
> /usr/local/lib/libgccgcj.a(frame.o): In function `init_object_mutex_once':
>
/usr/local/build/gcc-2.95.2/gcc/../../../src/gcc-2.95.2/gcc/frame.c(.text+0x
> 4a): undefined reference to `InterlockedIncrement AT 4'
> collect2: ld returned 1 exit status
>
----------------------------------------------------------------------------

Looks like the gcj specs is incorrect, and not linking in libkernel32.a
which contains the missing symbol.

Make sure you read up on Jon Beniston's web page on libgcj:

   Linkname: Libgcj for Win32
   URL: http://www.cs.bris.ac.uk/~jb7216/libgcj/

He mentions some problems with the specs, and possibly also with 
libkernel32.a, and provides an alternative/fixed one.

Jon, can you elaborate on the problem with libkernel32.a so I can
fix it? Note that there is no GetFileAttributeEx exported by the
kernel interface, but rather GetFileAttributeEx{A,W} for ASCII
and Unicode. 

Regards,
Mumit

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