[ECOS] Libsupc++

Peter Graf p.graf@itknet.de
Thu May 22 13:31:00 GMT 2003


At 10:52 22.05.03 +0100, Nick Garnett wrote:
>"Ian Burns" <burns@rangerinstruments.com> writes:
>
> > Hi,
> >
> > I'm trying to build eCos for the H8300H minimal simulator. I can build
> > the kernel libraries but when I try to build the tests, I get an error
> > saying that libsupc++ can't be found:
> >
> > make -r -C hal/common/v2_0 tests
> > make[1]: Entering directory
> > `/ecos-c/ecos-c/h8_kernel_2.0_build/hal/common/v2_0'
> > h8300-elf-gcc -g -nostdlib -Wl,--gc-sections -Wl,-static -mh
> > -L/ecos-c/ecos-c/h8_kernel_2.0_install/lib -Ttarget.ld -o
> > /ecos-c/ecos-c/h8_kernel_2.0_install/tests/hal/common/v2_0/tests/context
> > tests/context.o
> > /gnutools/lib/gcc-lib/h8300-elf/3.2.3/../../../../h8300-elf/bin/ld:
> > cannot find libsupc++.a
> > collect2: ld returned 1 exit status
> >
> > I'm running h8300-elf-gcc version 3.2.3 running under cygwin, to build
> > the eCos 2.0 source. The libsupc++.a file does not exist.
> >
> > I also have i386-elf-gcc version 3.2.3, and libsupc++.a exists in the
> > compiler's library directory, and I have no problems compiling eCos for
> > this target.
> >
> > If anyone has any suggestions on how to build this library for the H8
> > target, your input would be greatly appreciated.
> >
>
>The main problem is that by default GCC does not build any of the C++
>libraries for the H8300H. We are not sure whether this is a mere
>oversight, or an explicit decision based on some information we don't
>have.

For me, simply removing libsupc++.a from GROUP(...) in target.ld worked.
It wasn't there for eCos 2.0b1, so I wonder why it appeared in 2.0.

All the best
Peter



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