Re: Compiling for multiple Linux distros

[Donal Riordan <riordan at effor-dev dot org>]

Hi, sorry to re-open this problem but compiling SWT applications for 
multiple distros is proving troublesome.

For my test case I'm trying to compile a simple 'hello world' swt app on 
Ubuntu and have the executable run on a fresh Fedora installation (it's 
a vm-ware image in case that matters).

On Ubuntu I compile the libswt.a library using:
gcj -c -findirect-dispatch -fjni swt.jar -o libswt.a
and then compile my application using:
gcj -fjni -findirect-dispatch -classpath swt.jar --main=SWT SWT.java -o 
swt-ubuntu -L. -Wl,--no-whole-archive -lswt

The resultant executable works fine in Ubuntu but when I try to execute 
it in Fedora I get libgcj linking problems again:
error while loading shared libraries: libgcj.so.81: cannot open shared 
object file: No such file or directory

I've been able to compile non-SWT programs in Ubuntu such that they run 
correctly on Fedora - I only encounter this problem when I try to use SWT.

Any and all suggestions welcome.

Thanks,
Donal

Andrew Haley wrote:
> Donal Riordan wrote:
>   
> > Hello all,
> >
> > I'm trying to compile a simple hello world program to an executable that
> > will work on both my test distros; Ubuntu 7.10 & Fedora 8. Everything
> > works fine when I compile and execute on the same system but I cannot
> > execute a binary on Ubuntu when it was compiled in Fedora and vice-versa.
> >
> > Running the Fedora binary on Ubuntu generates the error:
> > error while loading shared libraries: libgcj.so.8rh: cannot open shared
> > object file: No such file or directory
> >
> > Running the Ubuntu binary on Fedora generates:
> > libgcj failure: gcj linkage error.
> > Incorrect library ABI version detected.  Aborting.
> >     
>
> Compile everything with -findirect-dispatch.
>
> Andrew.
>
>