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Date: Fri, 16 Oct 2020 11:34:33 +0200
From: Szabolcs Nagy <nsz@...t70.net>
To: Chen Wang <unicorn_wang@...look.com>
Cc: musl <musl@...ts.openwall.com>
Subject: Re: Please help check configuration to buld musl targeting
risc-v
* Chen Wang <unicorn_wang@...look.com> [2020-10-16 17:09:25 +0800]:
> Hello,
> I am trying to build musl with clang for risc-v.
>
> Following is my configuration input:
>
> ARCH=riscv \
i don't think there is a riscv arch in musl
(it should be riscv64)
> CROSS_COMPILE=riscv64-unknown-linux-gnu- \
> CFLAGS="-v --gcc-toolchain=/opt/riscv64 --sysroot=/opt/riscv64/sysroot/" \
> CC=../../llvm-project/install/bin/clang \
> ./configure --prefix=/home/u/ws/test-musl/install --exec-prefix=/home/u/ws/test-musl/install --disable-shared
>
>
> "../../llvm-project/install/bin/clang" is what my clang locates, it is 10.0.1 and built by me from source, it's configured for RISC-V and I have used it to built execuation and it works well.
> "/opt/riscv64" is the path where my gnu toolchain locates.
>
> After configraton, I run make and it makes llvm/clang oops when compile "src/complex/catan.c".
> > clang-10: error: clang frontend command failed due to signal (use -v to see invocation)
you need a minimal reproducer before you submit the bug anyway
so i'd recommend finding the compiler invokation that fails
and create a single preprocessed source file that shows the bug.
it is also helpful to post your config.mak here since we might
spot configuration issues in that.
>
> It looks like an issue from llvm, but before I submit this issue to llvm, I just want to double check here if my configration is ok for building musl with clang and target for risc-v.
>
> Thanks in adv.
>
>
>
> Best Regards
>
> Wang Chen
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