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Re: Some observations on developing with gcj
- From: Jeff Sturm <jsturm at one-point dot com>
- To: Mark Wielaard <mark at klomp dot org>
- Cc: java at gcc dot gnu dot org
- Date: Mon, 30 Jun 2003 22:33:06 -0400 (EDT)
- Subject: Re: Some observations on developing with gcj
On 30 Jun 2003, Mark Wielaard wrote:
> > Does it still fail if you link with a static libgcj.a and libc DSO? I've
> > been using that as a workaround until libgcj has a stable ABI.
>
> Interesting idea. But how do I actually produce such a binary?
I wish it were easier! The quick-and-dirty way is to remove
prefix/lib/libgcj.so before you link.
Otherwise experiment with -Bstatic/-Bdynamic, roughly:
GCJ = gcj
JVGENMAIN = /opt/gcc/lib/gcc-lib/i686-pc-linux-gnu/3.5-tree-ssa/jvgenmain
%.o: %.java
$(GCJ) $(GCJFLAGS) -c $< -o $@
Hello: Hello.o Hello_main.o
gcc -shared-libgcc Hello.o Hello_main.o -o Hello \
-Wl,-Bstatic -lgcj -Wl,-Bdynamic -lm -lpthread -ldl
Hello.o: Hello.java
Hello_main.o: Hello_main.c
Hello_main.c:
$(JVGENMAIN) Hellomain $@