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To: Solar

It'll be very pleasant if you add to OS-FAQ this topic.
So other people would use this.

Thanks for a link.

Some fixable errors when U build GCC :

1) error : config/i386/biarch64.h : no such file or directory
... and several others.

workaround :
copy config folder from source package gcc/config (whole directory) to $your_configure_dir/gcc
this should fix this.

2) error : defaults.h : no such file or directory

workaround :
copy defaults.h from source package gcc/ to $your_configure_dir/gcc

3) error : link tests are not allowed after GCC_NO_EXECUTABLES.

workaround only for NATIVE CROSS :
this is a bug of libstdc++-v3/configure.ac, at this stage $build != $host. Becoz of that configure disallows link tests.
apply attached patch to libstdc++-v3/configure.ac (works with GCC-4.0.0 and GCC-4.0.1).
with Canadian cross this error should not occur.

CopperMan wrote: It'll be very pleasant if you add to OS-FAQ this topic.

There already is, and yesterday I replaced a dead link to ELF docu with the one I gave above.