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Re: Trying to test Hurd/L4 and libc

From: Alexandre Buisse
Subject: Re: Trying to test Hurd/L4 and libc
Date: Tue, 22 Mar 2005 22:47:11 +0100

On Tue, 22 Mar 2005 11:39:17 +0100, Pierre THIERRY
<address@hidden> wrote:
> Hi,


> I'm beginning to play with Hurd/L4, and I successfully ran a simple Hurd
> without the libc, in qemu. I followed the README, but I didn't manage to
> compile the Hurd/L4 with the libc:
> CONFIGURE="./configure --enable-maintainer-mode --prefix=/l4 
> --build=i686-linux --host=i686-gnu"
> CVS_RSH=ssh cvs -d :ext:address@hidden:/cvsroot/hurd co hurd-l4
> cd hurd-l4/
> autoreconf -f -i -s
> $CONFIGURE --without-libc
> make
> make -C libc libc-cvs
> $CONFIGURE --with-libc
> make

If you really followed the README, you should have made a second tree
for the libc build. I don't know if that's really important, though.
> And it works well until the last make, which stops on that:
> In file included from ../nptl/sysdeps/l4/hurd/i386/tls.h:153,
>                  from ../include/tls.h:6,
>                  from <stdin>:2:
> /usr/include/l4/arch.h:37:31: l4/ia32/arch.h: No such file or directory
> make[5]: *** 
> [/home/pierre/Logiciel/Libre/Hurd/hurd-l4/libc/libc-build/tcb-offsets.h] 
> Error 1
> make[5]: Leaving directory 
> `/home/pierre/Logiciel/Libre/Hurd/hurd-l4/libc/libc/csu'
> I didn't find any ``l4/ia32/arch.h'' neither in hurd-l4's nor in pistachio's 
> sources...
> What did I wrong?

In fact, the compiler does not look for the headers of L4 you just
built in the version without libc. There is a reason for that (we
build a cross-compiler for the libc, so he only looks in the standard
include path (quoting Matthieu Lemerre)).
You should simply make a symlink (or a copy if you make everything on
the same tree) of every file you have in hurd-l4/include/ to

Anyway, I just tried to build it without the symlinks. It failed on
the same line than you, but asking for l4/arch.h and not
l4/ia32/arch.h. It built fine with the symlinks.

Btw, have you used http://hurd.gnufans.org/bin/view/Hurd/QemuImageForL4 ?


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