Mail Archives: cygwin/1997/10/23/13:37:52
William R. Jones wrote:
>
> I'm trying to build a cross-compiler so I can build code for an ARM on NT.
> I have bult it on a SPARC, but guess what, I don't have a SPARC at home.
>
> But before I jump in with both feet and try to debug configure, i thought
> I'd ask if anybody else has tried to do something similar, and if so, were
> you able to get it to work?
>
Bill -
After much effort I was finally able to get a i386-pc-cygwin32 to
sparc-sun-solaris2 x-compiler working. To build anything you have to have
native includes and libs, and the libs will name-collide with some of GCC's. I
also found that everything builds much cleaner if you use as your --prefix
directory the same root as where the Cygnus stuff is installed. That way, you
can then use the "-b" compiler option to selectively compile (pretty cool).
Otherwise, you may have to manually install "gcc-cross.exe" where you want it.
Other gotchas to look for:
.. Sometimes LD doesn't always automatically build and install. If you get link
errors, check your LD output with a "-v" option and make sure the proper
target is listed. If gcc is still looking for the i386 'crt1.o' file, you need
to rebuild LD.
.. Forget about Tk/Tcl, and GDB. Comment them out of the root Makefile.
.. It helped me to do the initial build with the "make -i -k install" command
line (ignore errors and trudge on).
.. I believe there were a few code bugs which required simple hacks to fix.
Sorry I can't be more specific.
I used the following ./configure command line options:
--host=i386-pc-cygwin32 --target=sparc-sun-solaris2
--prefix=/GnuWin32/b18/H-i386-cygwin32 -v
I am able to compile code on NT and have it run on our Sparc, but I'm sure
there will be other issues ahead.
- cs thomas
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