Bernd Edlinger <bernd.edlin...@hotmail.de> writes:
> This is my new attempt to clean up the different cross compiler
> configurations. It turned out to be a very complicated matter,
> so I thought it would be better to postpone it to the stage1.
>
> In a canadian cross compiler setup we have a different header dir path
> for use in the build and later on the target, which is written to
> install-tools/mkheaders.conf, so I propose to export SYSTEM_HEADER_DIR
> and BUILD_SYSTEM_HEADER_DIR from configure.ac to be used in Makefile.in.
>
> I also removed unnecessary handling of --with-headers, because
> the headers are copied to sys-include and thus it is not necessary to
> use the original path here.
>
> If --with-sysroot or --with-build-sysroot is used the SYSTEM_HEADER_DIR
> or BUILD_SYSTEM_HEADER_DIR contain $${sysroot_headers_suffix},
> which is normally an empty string, but on mips it may be something
> like "mips-r2" which gets appended to the sysroot for use of fixincludes
> but "target_header_dir" which is used in configure to find things like
> the GLIBC version it is not used. I assume that that either does
> not create problems and is silently ignored, or that people have a
> work around, my patch should not change that, however I have not been
> able to setup a sysroot for mips*-img-linux* or mips*-mti-linux* which
> seem to be the only targets where this might make a difference.
I'll try to test this out for you with MIPS. I have changes I want to make
to further improve the cross builds for the mti and img vendor builds so
if there is a bit of fallout I could deal with it then.
Matthew
