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Re: [PATCH] Fix linking with -findirect-dispatch
- From: Jakub Jelinek <jakub at redhat dot com>
- To: Andreas Schwab <schwab at suse dot de>
- Cc: java-patches at gcc dot gnu dot org, gcc-patches at gcc dot gnu dot org
- Date: Tue, 16 Apr 2013 10:38:56 +0200
- Subject: Re: [PATCH] Fix linking with -findirect-dispatch
- References: <mvmy5ciub3i dot fsf at hawking dot suse dot de>
- Reply-to: Jakub Jelinek <jakub at redhat dot com>
On Tue, Apr 16, 2013 at 10:35:29AM +0200, Andreas Schwab wrote:
> Linking with -findirect-dispatch fails with this error:
>
> x86_64-linux-gcj -o ecjx -findirect-dispatch --main=org.eclipse.jdt.internal.compiler.batch.GCCMain ../../../gcc/libjava/../ecj.jar ecjx.o
> /usr/lib64/gcc/x86_64-suse-linux/4.7/../../../../x86_64-suse-linux/bin/ld: /tmp/ccppO92n.o: undefined reference to symbol '_Jv_MonitorExit'
> /usr/lib64/gcc/x86_64-suse-linux/4.7/../../../../x86_64-suse-linux/bin/ld: note: '_Jv_MonitorExit' is defined in DSO /usr/lib64/libgcj.so.13 so try adding it to the linker command line
>
> Andreas.
>
> * configure.ac (LIBGCJ_SPEC_LGCJ_BC): Append -lgcj.
> (libgcj_spec_lgcj_bc_override): Likewise.
> * configure: Regenerate.
That doesn't look right, if -findirect-dispatch now newly needs
_Jv_MonitorExit (when has that been added?), then the symbol should
be added to libgcj_bc.so.
Jakub