[Swarm-Support] Pretest 11 for Windows

[Marcus G. Daniels]

Hi,

At 
ftp://ftp.santafe.edu/pub/swarm/binaries/w32/latest/Swarm-2.2-pretest-11.tar.gz 
is a new build of Swarm for Windows.  There aren't any significant 
source level changes to Swarm itself, but this one is built using the 
new GCC release of Cygwin. 

The new GCC for Cygwin is a welcome upgrade, as it is now includes an 
Objective C compiler.  Forever Swarm has included it's own build of GCC 
for the sake of Objective C (and in the past even source-level fixes to 
the compiler), and now Objective C just works out of the box.  Also, the 
native-code GCC Java compiler works out of the box, although a few 
tweaks were needed to the runtime.  I've made the Cygwin and GCJ folks 
aware of the problems and the fix -- hopefully that too will get 
straightened out.  In this tarball /Swarm-2.2/lib/libgcj.a updates the 
one in /usr/lib (that you get from the gcc-java package in Cygwin).  
Assuming those minor problems get fixed, the Windows binary tarball size 
of Swarm will drop from more than 50 megabytes to less than 15 
megabytes.   This is all inching toward being low maintenance, I hope..

Anyway, to use this, get and unpack the URL above and make it available 
in Cygwin as /Swarm-2.2.  Remember to set SWARMHOME to /Swarm-2.2 and 
PATH to something like /Swarm-2.2/bin:/bin.

To use GCJ, compile like below.  (This is for Java heatbugs.)
Note the addition of "-L/Swarm-2.2/lib" -- that's just to pick up the 
modified libgcj.a.

CLASSPATH=/Swarm-2.2/share/swarm/swarm.jar gcj --main=StartHeatbugs 
*.class /Swarm-2.2/lib/gcj*.o -L/Swarm-2.2/lib -o jheatbugs

And run the binary like so:

LTDL_LIBRARY_PATH=/Swarm-2.2/lib ./jheatbugs

For using Sun JDK, you may need to edit the javacswarm and javaswarm 
scripts.  Or tweak jdkcswarm and jdkswarm to name the version of Sun JDK 
you prefer.