ftp://os9archive.rtsi.com/OS9/OSK/GCC/S ... src.tar.gz
This seems to be exactly what the name suggests: a sun4-hosted gcc that compiles to OS-9. It is a full gnu toolchain using gas and ld and even includes support for the Microware ROFF object file format.
Now the big question, of course: how hard is it to compile this as a PC-hosted cross compiler?
I have Cygwin on my PC so it should have been a matter of doing
Unfortunately this configure does not support cygwin, substituting msdos fails with file permission errors on a number of files having weird 8.3 names so is probably not recommended (this may be due to Win7, though)../configure --host=i486-cygwin --target=m68k-os9
Anybody have some clues? I cannot find any of the os9 support files in never gcc versions, so this port was probably never folded back into the main gcc trunk.
I could trying the "host" configuration of a stock gcc 2.x (which should build under cygwin) over into this gcc?