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Building and Installing a Cross-Compiler
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Building
and installing a cross-compiler
GNU CC can function as a
cross-compiler for many machines, but not all.
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Cross-compilers for the MIPS
as target using the MIPS assembler currently do not work, because the auxiliary
programs mips-tdump.c
and mips-tfile.c
cant be compiled on anything but a MIPS. It does work to cross compile
for a MIPS if you use the GNU assembler and linker.
-
Cross-compilers between machines
with different floating point formats have not all been made to work. GNU
CC now has a floating point emulator with which these can work, but each
target machine description needs to be updated to take advantage of it.
-
Cross-compilation between machines
of different word sizes is some what problematic and sometimes does not
work.
Since GNU CC generates assembler
code, you probably need a cross-assembler that GNU CC can run, in order
to produce object files. If you want to link on other than the target machine,
you need a cross-linker as well. You also need header files and libraries
suitable for the target machine that you can install on the host machine.
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