java.util Classpath/libgcj merging

Mark Wielaard mark@klomp.org
Sun Feb 18 14:57:00 GMT 2001


Hi,

On Mon, Feb 19, 2001 at 11:31:08AM +1300, Bryce McKinlay wrote:
> Mark Wielaard wrote:
> 
> >     * java/util/ConcurrentModificationException.java: merge with Classpath
> >     * java/util/EmptyStackException.java: idem
> 
> In the past I've held off merging in Classpath's exception classes because I'm
> not sure I like the way that the SerialVersionUIDs are present in all of them.
> Should it be neccessary to have a SerialVersionUID in a class that doesnt have an
> explicit serialized form (ie readObject and writeObject methods)? Or are we just
> potentially masking serialization incompatibilies?

I see what you mean. Yes, we are potentially masking serialization
incompatibilities. I will look at this first before checking in.
I hope we can just remove the explicit SerialVersionUID.

> > Note that I currently cannot actually test these changes with gcj because
> > the head seems broken on i386 and the branch seems broken on powerpc. Sigh.
> 
> Whats the problem on the branch? Has it been reported?
I am currently trying to build the branch on i586-pc-linux-gnu, but on
powerpc-unknown-linux-gnu I got the following:

make[6]: Entering directory `/opt/mark/gcc-obj/powerpc-unknown-linux-gnu/nof/libffi'
/bin/sh ./libtool --mode=link /opt/mark/gcc-obj/gcc/xgcc -B/opt/mark/gcc-obj/gcc/ -B/usr/local/gcc/powerpc-unknown-linux-gnu/bin/ -B/usr/local/gcc/powerpc-unknown-linux-gnu/lib/ -isystem /usr/local/gcc/powerpc-unknown-linux-gnu/include  -msoft-float -fPIC -mstrict-align -fexceptions -g -O2  -msoft-float -fPIC -mstrict-align -msoft-float -fPIC -mstrict-align -o ffitest  ffitest.o libffi.la 
/opt/mark/gcc-obj/gcc/xgcc -B/opt/mark/gcc-obj/gcc/ -B/usr/local/gcc/powerpc-unknown-linux-gnu/bin/ -B/usr/local/gcc/powerpc-unknown-linux-gnu/lib/ -isystem /usr/local/gcc/powerpc-unknown-linux-gnu/include -msoft-float -fPIC -mstrict-align -fexceptions -g -O2 -msoft-float -fPIC -mstrict-align -msoft-float -fPIC -mstrict-align -o .libs/ffitest ffitest.o  ./.libs/libffi.so -Wl,--rpath -Wl,/usr/local/gcc/lib/nof
/usr/bin/ld: warning: libgcc_s_nof.so.0, needed by ./.libs/libffi.so, not found (try using --rpath)
./.libs/libffi.so: undefined reference to `__extendsfdf2@GCC_3.0'
collect2: ld returned 1 exit status
make[6]: *** [ffitest] Error 1

Cheers,

Mark

-- 
Stuff to read:
    < http://www.toad.com/gnu/whatswrong.html >
  What's Wrong with Copy Protection, by John Gilmore



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