This is the mail archive of the
mailing list for the binutils project.
Re: cross building binutils?
- From: Anonymous <christel-von-der-post at eurovibes dot org>
- To: binutils at sourceware dot org
- Date: Wed, 16 May 2012 11:40:58 +0200
- Subject: Re: cross building binutils?
Hans-Peter Nilsson <firstname.lastname@example.org> wrote:
> On Tue, 15 May 2012, Anonymous wrote:
> > Do I need to have all the directories containing header files and
> > libraries I'll build against present during the build of binutils, or only
> > when I want to assemble and link against them?
> I wish I could just say "look in src/binutils/README for answers
> to all your questions", but that doesn't really fit; it doesn't
> say you *don't* need target headers and libraries, but of course
> it doesn't say a lot of other things you don't need to do (but
> that you need for e.g. building gcc). :-]
In this case I have gcc but no binutils! That's why I asked for the
"official" info, since I haven't found anything helpful.
> Besides, you might
> want to consider using the --with-sysroot option to point at a
> location for your libraries. See the fine documentation on
Yes, I am using that but I didn't see how to use multiple --with-sysroot to
point to the header files.
> Besides, IIRC there are (or used to be) the odd system where you
> *do* need headers at time of building binutils, e.g. hppa-hpux.
> But now forget that previous sentence unless you have a specific
> interest there; you're more likely to cross-build for a current
> hosted target or embedded target. Of course it'd help if you
> mention what targets you have in mind.
I am trying to do this on a Linux host with various Solaris and MIPS
> > That is, does binutils need
> > to know about paths to things when it's built or can that be done
> > afterwards. And is it possible and advisable to build for multiple targets
> > or should it be built once for each target. Thank you.
> src/binutils/README mentions --enable-targets, but that's just
> for auxiliary tools like objdump; inspection of the object
> formats - including disassembly. It doesn't really work for
> the assembler and linker. Incidentally, there's enough of
> skeleton support to trick someone who RTFS.
What is RTFS? I know RTFM but...
> Separate builds, one for each target.
Thank you for the help.