On 09.10.2014 03:10, Ken Moffat wrote:
On Wed, Oct 08, 2014 at 11:23:15PM +0200, Christer Solskogen wrote:
On 06.10.2014 13:06, Pierre Labastie wrote:
Since we do not want libgcc2 to containing any code which requires libc
support, we pass --with-newlib --without-headers (equivalent to
--with-headers=no). And this is needed!
Show me where that will be a problem.
I've created (stage1) cross-compilers like this multiple times, on multiple
linux distros without any problems:
${SRCDIR}/bin/gcc/configure --prefix=${TOOLS} --target=${CROSS_TARGET}
--disable-shared --disable-threads --without-headers
--disable-decimal-float --disable-multilib --enable-languages=c
--disable-libquadmath --disable-libssp --disable-libgomp --disable-libatomic
--disable-libmudflap --libexecdir=${TOOLS}/lib --disable-nls
Are you saying it is not required in LFS, because you have built
LFS while omitting those switches ? Your mail is not clear, at
least to me. Building stage1 pseudo-cross-compilers without then
building LFS seems a pointless activity (although I have done the
equivalent myself a couple of times, to build a kernel on ppc64
with 32-bit userspace, and I am sure people could do the same for
i686 userspace with an x86_64 kernel), but your post leaves me
confused about how far you have gone in building LFS.
No, I've not built LFS with it. But I've used cross compilers to built
for my ppc and arm machine.
You need a stage1 compiler in order to compile a full compiler with glibc.
The point is that LFS is *not* using newlib. --with-newlib is only
needed when you are creating a cross compiler that *uses* newlib.
If something is not needed, and you have built LFS enough times to
prove that to your satisfaction, why have you not mentioned it
before ?
I will also note that your command is apparently running configure
in a bin/gcc directory - that makes me dubious about what you say,
we run the toplevel configure script.
That just my setup of the sources. Nothing to worry about.
Unrelated to that, why do you care about libexecdir in /tools ?
Even the people who hate /usr/libexec usually seem OK with what
happens in /tools because that is a temporary part of the build.
I just don't like it :-)
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