From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: how can we test the hexagon port in mainline Date: Wed, 7 Jul 2021 16:10:54 +0200 Message-ID: <20210707141054.GA24828@lst.de> References: <20210623141854.GA32155@lst.de> <08df01d7683d$8f5b7b70$ae127250$@codeaurora.org> <08e101d76842$94f78a60$bee69f20$@codeaurora.org> <20210623151746.GA4247@lst.de> Mime-Version: 1.0 Return-path: Content-Disposition: inline In-Reply-To: List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Nathan Chancellor Cc: Arnd Bergmann , Christoph Hellwig , Brian Cain , Sid Manning , linux-hexagon@vger.kernel.org, linux-kernel@vger.kernel.org, Nick Desaulniers , clang-built-linux@googlegroups.com On Wed, Jun 23, 2021 at 09:06:41PM -0700, Nathan Chancellor wrote: > On Wed, Jun 23, 2021 at 05:35:38PM +0200, Arnd Bergmann wrote: > > On Wed, Jun 23, 2021 at 5:17 PM Christoph Hellwig wrote: > > > > > > It seem like it still isn't complete enought for a kernel build, though: > > > > > > $ export CROSS_COMPILE=/opt/clang+llvm-12.0.0-cross-hexagon-unknown-linux-musl/x86_64-linux-gnu/bin/hexagon-unknown-linux-musl- > > > $ make ARCH=hexagon LLVM=1 oldconfig > > > ... > > > scripts/Kconfig.include:40: linker 'ld.lld' not found > > > > I tried this using the prebuilt binaries from apt.llvm.org: > > > > $ make ARCH=hexagon LLVM=1 O=obj-hexagon CROSS_COMPILE=hexagon-linux- > > LLVM_IAS=1 CC=llvm-12 defconfig modules vmlinux > > :1515:2: warning: syscall clone3 not implemented [-W#warnings] > > #warning syscall clone3 not implemented > > ^ > > 1 warning generated. > > > > Doing the same thing with allmodconfig results in an internal error > > with clang-12 > > while compiling kernel/locking/lockdep.c. Same thing with clang-13. > > After turning > > off lock debugging, it seems fine. > > I've reported this upstream with you on CC: > > https://bugs.llvm.org/show_bug.cgi?id=50838 I've not actually got any mail from that Cc.. > Christoph, that toolchain should work (I had to install libtinfo5 and > libc++1-7 on Debian Buster): > > $ export PATH=$HOME/tmp/clang+llvm-12.0.0-cross-hexagon-unknown-linux-musl/x86_64-linux-gnu/bin:$PATH > > $ make -skj"$(nproc)" ARCH=hexagon CROSS_COMPILE=hexagon-unknown-linux-musl LLVM=1 LLVM_IAS=1 defconfig all hch@brick:~/work/linux$ make -j4 ARCH=hexagon CROSS_COMPILE=hexagon-unknown-linux-musl LLVM=1 LLVM_IAS=1 defconfig all HOSTCC scripts/basic/fixdep clang: error while loading shared libraries: libtinfo.so.5: cannot open shared object file: No such file or directory