gcj cross for ARM?

Manfred Bergmann bergmannmd@web.de
Mon Feb 24 10:13:00 GMT 2003


> On Thu, 2003-02-20 at 10:04, G. Hauer wrote:
> > Has anyone been able to build a gcj cross-compiler for ARM? Any 
> pointers
> > to current documentation would be appreciated.
>
> Here's a very high level description.  If you need more details, please
> ask.
>
> There are a number of separate packages you need to be concerned with:
> gcc, binutils, newlib and gdb.  For gcj hackers, I suggest using the
> latest development sources for gcc, but stick with the most recent
> stable releases of binutils, newlib and gdb.
>
> I usually set my build area like this...
>
>         ../i     <- my "prefix", where I install everything
>           /bgcc  <- where I build gcc
>           /gcc   <- gcc/newlib sources
>           /bbin  <- where I build binutils
>           /binutils-*  <- binutils sources
>           /bgdb  <- where I build gdb
>           /gdb   <- gdb sources
>
> I'm sure there are cleaner ways of doing this, but this works for me.
> Note that it's a good idea to merge the newlib and gcc source trees.
> Some targets, like mips-elf, don't configure properly if you don't copy
> the newlib/newlib and newlib/libgloss directories into gcc/newlib and
> gcc/libgloss.
>
> Then go to gcc...
>
>         cd bgcc
>         ../gcc/configure --target=arm-elf --prefix=`(cd ../i; pwd)`
> --enable-languages=c,c++,java
>         make all
>         make install
>         cd ..

Will code made from this crosscompiler work on ARM-Systems with no 
Operating System installed?
What about threads, are they disabled per default? Because there is no 
kernel that is able to process threads.

Greets,
Manfred

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