Re: can't build for z8k-coff

[Jeff Johnston <jjohnstn at redhat dot com>]

Christian,

  Let's start with your output.  You'll notice that argz_insert.c is 
failing to compile.  For some reason, ptrdiff_t appears to be undefined 
by your compiler's stddef.h when __need_ptrdiff_t is set.  From 
libc/argz_insert.c.

> #include <errno.h>
> #include <sys/types.h>
> #include <string.h>
> #include <stdlib.h>
> #include <argz.h>
> #define __need_ptrdiff_t
> #include <stddef.h>
>
> error_t
> _DEFUN (argz_insert, (argz, argz_len, before, entry),
>        char **argz _AND
>        size_t *argz_len _AND
>        char *before _AND
>        const char *entry)
> {
>   int len = 0;
>
>   if (before == NULL)
>     return argz_add(argz, argz_len, entry);
>
>   if (before < *argz || before >= *argz + *argz_len)
>     return EINVAL;
>
>   while (before != *argz && before[-1])
>     before--;
>
>   /* delta will always be non-negative, and < *argz_len */
>   ptrdiff_t delta = before - *argz;

z8k-coff-gcc -B/local/newlib-cvs/b-z8k-coff/z8k-coff/z8001/newlib/ 
-isystem /local/newlib-cvs/b-z8k-coff/z8k-coff/z8001/newlib/targ-include 
-isystem /local/newlib-cvs/src/newlib/libc/include  -mz8001 
-DPACKAGE_NAME=\"newlib\" -DPACKAGE_TARNAME=\"newlib\" 
-DPACKAGE_VERSION=\"1.15.0\" -DPACKAGE_STRING=\"newlib\ 1.15.0\" 
-DPACKAGE_BUGREPORT=\"\"  -I. -I/local/newlib-cvs/src/newlib/libc/argz 
-O2 -fno-builtin      -O2 -g -O2   -mz8001 -c -o lib_a-argz_insert.o 
`test -f 'argz_insert.c' || echo 
'/local/newlib-cvs/src/newlib/libc/argz/'`argz_insert.c
/local/newlib-cvs/src/newlib/libc/argz/argz_insert.c: In function 
`argz_insert':
/local/newlib-cvs/src/newlib/libc/argz/argz_insert.c:34: syntax error 
before `delta'
/local/newlib-cvs/src/newlib/libc/argz/argz_insert.c:41: `delta' 
undeclared (first use this function)
/local/newlib-cvs/src/newlib/libc/argz/argz_insert.c:41: (Each 
undeclared identifier is reported only once
/local/newlib-cvs/src/newlib/libc/argz/argz_insert.c:41: for each 
function it appears in.)
z8k-coff-gcc: file path prefix 
`/local/newlib-cvs/b-z8k-coff/z8k-coff/z8001/newlib/' never used
make[8]: *** [lib_a-argz_insert.o] Error 1

I don't know why the error appears only as an error 1 instead of an 
error 2.  The build should have stopped there.

Your build then later fails because it is assuming that libc/argz/lib.a 
exists which it doesn't.

So, see if you can find out why that line is marked in error and 
subsequently why make didn't fail where it should have.

-- Jeff J.


Christian Groessler wrote:
> Hi Jeff,
>
> On Mon, 4 Jun 2007, Jeff Johnston wrote:
>
> >   I am skeptical that the patch is at fault since no other embedded platforms
> > are reporting problems.
>
> I tried going back in one month decrements until it worked again.
> It didn't work until I checked out with -D20060411, but with -D20060412 
> it fails a bit differently than current HEAD:
>
> configure: configuring in libc
> configure: running /bin/sh '../../../../src-pre/newlib/libc/configure' --prefix=/tmp/xxx  '--cache-file=./config.cache' 
> '--build=i686-pc-linux-gnu' '--host=z8k-coff' '--target=z8k-coff' '--with-newlib' '--enable-multilib' '--with-cross-host=i686-pc-linux-gnu' 
> '--prefix=/tmp/xxx' '--program-transform-name=s,^,z8k-coff-,; ' '--with-target-subdir=z8k-coff' '--srcdir=../../../src-pre/newlib' 
> 'CC=z8k-coff-gcc -B/local/newlib-cvs/b-test/z8k-coff/newlib/ -isystem /local/newlib-cvs/b-test/z8k-coff/newlib/targ-include -isystem 
> /local/newlib-cvs/src-pre/newlib/libc/include' 'CFLAGS=-O2 -g -O2 ' 'CPPFLAGS=' 'LDFLAGS=' 'build_alias=i686-pc-linux-gnu' 
> 'host_alias=z8k-coff' 'target_alias=z8k-coff' --cache-file=.././config.cache --srcdir=../../../../src-pre/newlib/libc
> configure: loading cache .././config.cache
> configure: error: `CFLAGS' has changed since the previous run:
> configure:   former value:  -O2 -g -O2  
> configure:   current value: -O2 -g -O2 
> configure: error: changes in the environment can compromise the build
> configure: error: run `make distclean' and/or `rm .././config.cache' and 
> start over
> configure: error: /bin/sh '../../../../src-pre/newlib/libc/configure' 
> failed for libc
> make[1]: *** [configure-target-newlib] Error 1
> make[1]: Leaving directory `/local/newlib-cvs/b-test'
> make: *** [all] Error 2
>
>
> >   Can you please perform a fresh build into a completely empty build
> > directory?  Specify full directory paths for now and save the output of both
> > your configure and build.  Perhaps a tool isn't configuring properly for some
> > reason.
>
> Attached. I used cvs HEAD from right now.
>
> regards,
> chris