From: Matt Andrews <mattandrews@gmail.com>
To: musl@lists.openwall.com
Subject: Re: [musl] Newbie cross compiling with LLVM
Date: Mon, 11 Oct 2021 10:21:33 +1100 [thread overview]
Message-ID: <CAD0C5PBjeuENe7bdX+Li1L0DRcZJv8w4j5bb9mN1ikXHAMD6gQ@mail.gmail.com> (raw)
In-Reply-To: <20211011004346.13768de6@tpx.quinq.eu.org>
[-- Attachment #1: Type: text/plain, Size: 1487 bytes --]
> Have try with setting passing AR=clang-ar?
I actually set
AR=/usr/lib/llvm-13/bin/llvm-ar
Then I set
RANLIB=/usr/lib/llvm-13/bin/llvm-ranlib
That got me a little further down the road, but now I'm getting this error
/usr/bin/ld: unrecognised emulation mode: armelf_linux_eabi
Supported emulations: elf_x86_64 elf32_x86_64 elf_i386 elf_iamcu
elf_l1om elf_k1om i386pep i386pe
clang: error: linker command failed with exit code 1 (use -v to see
invocation)
I added this to CFLAGS
-B/usr/lib/llvm-13/bin
But it still uses the system linker.
How do I specify which linker to use?
On Mon, 11 Oct 2021 at 09:44, Quentin Rameau <quinq@fifth.space> wrote:
> > Hello everyone,
>
> Hi Matt,
>
> > I'm trying to cross compile from Ubuntu 20.04 to armv7a-linux-musleabihf
> > using LLVM. Configure looks like this
> >
> > ./configure \
> > --prefix=$VECX/usr \
> > --syslibdir=$VECX/lib \
> > --target=armv7a-linux-eabihf \
> > CC=/usr/lib/llvm-13/bin/clang \
> > CFLAGS="--target=armv7a-linux-eabihf -mcpu=cortex-a8"
> >
> > Then
> >
> > make && make install
> >
> > The compilation fails with the following
> >
> > make: armv7a-linux-eabihf-ar: Command not found
> > make: *** [Makefile:167: lib/libc.a] Error 127
> >
> > It's looking for an archiver from a cross compiler toolchain, but should
> be
> > using llvm-ar.
> >
> > Which configure options should I use to get LLVM to cross compile
> > successfully?
>
> Have try with setting passing AR=clang-ar?
>
[-- Attachment #2: Type: text/html, Size: 3413 bytes --]
next prev parent reply other threads:[~2021-10-10 23:21 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-10 20:56 Matt Andrews
2021-10-10 22:43 ` Quentin Rameau
2021-10-10 23:21 ` Matt Andrews [this message]
2021-10-11 17:20 ` Khem Raj
2021-10-11 17:40 ` Jeffrey Walton
2021-10-11 23:55 ` Matt Andrews
2021-10-12 0:24 ` Jeffrey Walton
2021-10-12 4:53 ` Nagakamira
2021-10-12 4:57 ` Matt Andrews
2021-10-12 5:00 ` Nagakamira
2021-10-12 5:55 ` Matt Andrews
2021-10-12 6:09 ` Nagakamira
2021-10-13 2:34 ` Matt Andrews
2021-10-13 5:35 ` Nagakamira
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=CAD0C5PBjeuENe7bdX+Li1L0DRcZJv8w4j5bb9mN1ikXHAMD6gQ@mail.gmail.com \
--to=mattandrews@gmail.com \
--cc=musl@lists.openwall.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this public inbox
https://git.vuxu.org/mirror/musl/
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).