Should I be able to build cross gcc 4.x on Cygwin?

[Rick Mann]

On Dec 12, 2007, at 3:03 PM, Brian Dessent wrote:

> Rick Mann wrote:
>
>> make[4]: *** No rule to make target `../../combined/bfd/../include/
>> aout/ar.h', n
>> eeded by `archive.lo'.  Stop.
>
> This looks like an incorrectly combined tree.  Are you using the  
> "find |
> cpio"/hard link method?  Because you seem to have taken the include/  
> dir
> from the gcc repo and not the src repo, but that will not work; you  
> need
> to properly combine them to be a union of both sets.  The src repo  
> does
> contain include/aout/ar.h but the gcc repo does not.

Well, after much pain to get an authoritative answer, the best I was  
able to do was a minor variant on this:

http://gcc.gnu.org/ml/gcc-help/2007-06/msg00230.html

The relevant part:

$ mkdir combined
$ cd combined
$ ln -s ../gcc-4.2.2/* .
$ ln -s ../binutils-2.17/* .
[several complaints from ln about existing links]
$ ln -s ../newlib-1.15.0/* .
[several complaints from ln about existing links]
$ cd ../..
$ mkdir testbuild
$ cd testbuild
$ ../src/combined/configure --target=xscale-elf --disable-nls --with- 
newlib --prefix=/usr/local/xscale-elf-gcc --disable-newlib-supplied- 
syscalls


(My gcc-4.2.2 was built by downloading the gcc core and c/c++ tars and  
untarring core, then c/c++)

-- 
Rick