crosscompiler x86->solaris2.8

[Rupert Wood]

Kai Ruottu wrote:

> > $prefix (=foo/myGCC). That works fine. Then I put the /usr/include
> > tree from solaris into foo/myGCC/sparc-sun-solaris2.8/sys-include/
> 
>  Please check what the aim for the '$prefix/$target/sys-include' is,
> and what for the '$prefix/$target/include'...
> 
>  RTFM, "Standard Header Directories"...

I think I'm the one responsible for giving him this advice. I concede
didn't RTFM "System Header Directories". However, sys-include is *not*
SYSTEM_INCLUDE_DIR; it is [CROSS_]SYSTEM_HEADER_DIR.

The "--with-headers" configure option copies the path specified to
sys-include. This directory is processed by fixincludes at build time.
This is all correctly documented in the manual. The compiled-in
directory search order for cross-compilers looks a bit odd, though: that
might need some attention and/or fixing.

I concede that I've gained more of my knowledge of cross toolchains from
experimentation and reading the configure scripts rather than reading
the manual. I'm welcome to correction or advice.

Rup.


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