Problem with converting a jar into a shared library with GCJ

Problem with converting a jar into a shared library with GCJ

[David Michel]

Hi all,

I'm trying to 'convert' a jar file into a shared library (.so file)
using gcj -shared -findirect-dispatch -fjni -fPIC with mixed
results... While it works very well for some cases, it doesn't work at
all sometimes.

For insance, for the jline project (), it works like a charm:

$ ls
jline-0.9.94.jar
$ gcj -O0 -g0  -shared -findirect-dispatch -fjni -fPIC -Bsymbolic
jline-0.9.94.jar -o libjline-0.9.94.so
$ ls
jline-0.9.94.jar  libjline-0.9.94.so


With the gnu getopt port for java
(http://www.urbanophile.com/arenn/coding/download.html), I get this
kind of error:

$ gcj -O0 -g0  -shared -findirect-dispatch -fjni -fPIC -Bsymbolic
java-getopt-1.0.13.jar -o libgetopt-1.0.13.so
GetoptDemo.java: In class 'GetoptDemo':
GetoptDemo.java: In method 'GetoptDemo.main(java.lang.String[])':
GetoptDemo.java:15: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
For Debian GNU/Linux specific bug reporting instructions,
see <URL:file:///usr/share/doc/gcc-4.2/README.Bugs>.

It also gives a similar error message when I try to do this with a
small java project that I wrote:

$ gcj -O0 -g0  -shared -findirect-dispatch -fjni -fPIC Consoleterm.jar
-o libconsoleterm.so
Consoleterm/Consoleterm.java: In class 'Consoleterm.Consoleterm':
Consoleterm/Consoleterm.java: In constructor '()':
Consoleterm/Consoleterm.java:0: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
For Debian GNU/Linux specific bug reporting instructions,
see <URL:file:///usr/share/doc/gcc-4.2/README.Bugs>.


Any idea what the problem is ? I have no idea on how to tackle this....

Cheers,
David