make in libjava uses wrong specs to build libgcj...

Fri Sep 3 20:29:00 GMT 2004

On Fri, Sep 03, 2004 at 04:03:24PM -0400, Bryce McKinlay wrote:
> David Daney wrote:
>> >I have an existing build of libgcj installed. Then I changed
> >libgcj.spec and rebuilt. In the rebuild libgcj gets built with the
> >libgcj.spec of the previous install instead of the modified version in
> >target/libjava/libgcj.spec.
> >
> >It took me a while to figure out why the new specs were not being used.
> >
> >Doing a cut and paste from the make output and adding -v yields
> >something like this:
> >
> >/newdisk/programs/mipsel-gccmaincvs/gcc/gcj
> >-B/newdisk/programs/mipsel-gccmaincvs/gcc/
> >-B/home/test35/mipsel-linux/bin/ -B/home/test35/mipsel-linux/lib/
> >-isystem /home/test35/mipsel-linux/include -isystem
> >/home/test35/mipsel-linux/sys-include --encoding=UTF-8 -Wno-deprecated
> >-fclasspath=
> >-fbootclasspath=/newdisk/programs/mipsel-gccmaincvs/mipsel-linux/libjava
> >-mxgot -g -O2 -MD -MT java/math/BigInteger.o -MF java/math/BigInteger.o
> >-c -MT java/math/BigInteger.o -MD -MP -MF java/math/.deps/BigInteger.Tpo
> >-c ../../../gccmaincvs/gcc/libjava/java/math/BigInteger.java -fPIC -v -o
> >java/math/.libs/BigInteger.o
> >Reading specs from /newdisk/programs/mipsel-gccmaincvs/gcc/specs
> >Reading specs from /home/test35/mipsel-linux/lib/libgcj.spec
> >rename spec lib to liborig
> >.
> >.
> >.
> >
> >Where /newdisk/programs/mipsel-gccmaincvs is the build dir and
> >/home/test35 is the --prefix.
> >
> >So as you can see, it is getting libgcj.spec from the previous install
> >rather than the current build.
> >
> >The obvious workaround is to make install with the new specs file and
> >then do another clean build so that the libgcj build uses the proper specs.
> >
> >FYI I guess, if someone gives guidance I may try to fix it.
> >
> > 
> >
> This seems to be an automake problem:
>> /newdisk/programs/mipsel-gccmaincvs/gcc/gcj
> -B/newdisk/programs/mipsel-gccmaincvs/gcc/
> -B/home/test35/mipsel-linux/bin/ -B/home/test35/mipsel-linux/lib/
>> The later two -B flags are incorrect, because they point to the 
> installation directory when building libjava. The AM_PROG_GCJ macro is 
> attaching these to $(GCJ). It should be instead passing the equivalent 
> locations in the _build_ directory.
>
Try
http://gcc.gnu.org/ml/gcc-patches/2004-09/msg00357.html
It should fix it.
H.J.