Re: nvptx offloading patches [3/n], RFD

[Jakub Jelinek <jakub@redhat.com>]

On Tue, Feb 17, 2015 at 04:21:06PM +0000, Joseph Myers wrote:
> On Tue, 17 Feb 2015, Jakub Jelinek wrote:
> 
> > Third attempt failed with:
> > ../../../libgcc/config/nvptx/realloc.c:24:20: fatal error: stdlib.h: No such file or directory
> > compilation terminated.
> > ../../../libgcc/static-object.mk:17: recipe for target 'realloc.o' failed
> > make[2]: *** [realloc.o] Error 1
> > make[2]: *** Waiting for unfinished jobs....
> > make[2]: Leaving directory '/usr/src/gcc/objnvptx/nvptx-none/libgcc'
> > I have nvptx-newlib symlinked into the gcc tree as newlib, so I expected it
> > would be built in-tree, is that not the case (at least wiki/Offloading
> > mentions that).  Or is it just that libgcc can't really have dependencies on
> > newlib headers as newlib is built after libgcc?
> 
> I've committed this patch to fix this last issue (the header dependence, 
> that is; I don't know about the in-tree build).

Thanks, sure, libgcc now builds fine, the in-tree build fails:
configure:4261: checking for C compiler default output file name
configure:4283: /usr/src/gcc/objnvptx/./gcc/xgcc -B/usr/src/gcc/objnvptx/./gcc/ -nostdinc -B/usr/src/gcc/objnvptx/nvptx-none/newlib/ -isystem /usr/src/gcc/objnvptx/nvptx-none/newlib/targ-include -isystem /usr/src/gcc/newlib/libc/include -B/usr/local/nvptx-none/bin/ -B/usr/local/nvptx-none/lib/ -isystem /usr/local/nvptx-none/include -isystem /usr/local/nvptx-none/sys-include    -g -O2   conftest.c  >&5
error opening libc.a
collect2: error: ld returned 1 exit status
very early during in-tree newlib configure.

	Jakub