[llvm-dev] Help with setting up ARM embedded clang + lld

Scott Shawcroft via llvm-dev llvm-dev at lists.llvm.org
Sun Apr 30 15:33:34 PDT 2017

I did look at that and it doesn't work. Here is the line from the
And here is it as output from make:
clang version 5.0.0 (trunk 301735)
Target: armv6m-none--eabi
Thread model: posix
InstalledDir: /Users/tannewt/repos/llvm/build/bin
"gcc" -flto -v -fuse-ld=lld -march=thumb...
clang-5.0: error: unable to execute command: Executable "gcc" doesn't
exist!clang-5.0: error: linker (via gcc) command failed with exit code 1
(use -v to see invocation)
On Sun, Apr 30, 2017, at 03:28 PM, Rui Ueyama wrote:
> Did you read http://lld.llvm.org/#using-lld? In short, you want to
> pass -use-ld=lld to clang to use ld.lld instead of ld.> 
> On Sun, Apr 30, 2017 at 3:18 PM, Scott Shawcroft via llvm-dev <llvm-
> dev at lists.llvm.org> wrote:>> Hi all,
>> I've been doing a ton of embedded work (bare metal ARM Cortex M0+ and>> M4, hopefully RISCV in the future) in the last year and would love to>> start using and hacking on the llvm toolchain. I've tried setting up>> clang + lld but can't get lld to work because clang tries to
>> launch gcc.>> I realize support is early but I'd love to have a dev setup so I can>> help fix things.
>> Could some help me setup my Makefiles in this project:
>> https://github.com/tannewt/circuitpython/tree/clang to use dev
>> builds of>> clang and lld? Thanks!
>> ~Scott
>> _______________________________________________
>> LLVM Developers mailing list
>> llvm-dev at lists.llvm.org
>> http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev

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