Hi Joel, Indeed, LLD is not configured to be used by default in LLVM-12.0.0-rc1. You need to add -fuse-ld=lld option for it to work. We’ll fix this in the final LLVM-12 release for WoA, which is expected in around 2 weeks.
Thanks for catching this! c:\Users\tcwg\source\maxim>..\llvm-12.0.0-rc1\bin\clang-cl.exe hello.c clang-cl: error: unable to execute command: Couldn't execute program 'C:\BuildTools\VC\Tools\MSVC\14.28.29333\bin\Hostx64\arm64\link.exe': Unknown error (0xD8) clang-cl: error: linker command failed with exit code 1 (use -v to see invocation) c:\Users\tcwg\source\maxim>..\llvm-12.0.0-rc1\bin\clang-cl.exe -fuse-ld=lld hello.c c:\Users\tcwg\source\maxim>hello.exe Hello c:\Users\tcwg\source\maxim>..\llvm-12.0.0-rc1\bin\clang.exe -fuse-ld=lld hello.c c:\Users\tcwg\source\maxim>hello.exe Hello -- Maxim Kuvyrkov https://www.linaro.org > On 4 Mar 2021, at 19:43, Joel Cox <joel....@arm.com> wrote: > > Hi > > I was trying "clang hello.c" from command line, but "clang-cl hello.c" gives > me the same error. I am unsure if this is what you mean but neither work. > > Thanks, > Joel > > -----Original Message----- > From: Maxim Kuvyrkov <maxim.kuvyr...@linaro.org> > Sent: 04 March 2021 16:40 > To: Joel Cox <joel....@arm.com> > Cc: linaro-toolchain@lists.linaro.org > Subject: Re: Clang targetting x64 linker > > Hi Joel, > > Are you using clang-cl.exe as compiler/linker driver? It’s easiest to use > clang-cl.exe as it aims to be a direct replacement for MSVC’s cl.exe, but > will use LLVM tools. In particular, when clang-cl.exe uses LLVM Linker (LLD) > by default. > > If you are using linux-style clang.exe as the driver, then you need to > specify -fuse-ld=lld to use LLD. > > Does this help? > > Regards, > > -- > Maxim Kuvyrkov > https://www.linaro.org > >> On 4 Mar 2021, at 19:11, Joel Cox <joel....@arm.com> wrote: >> >> Hi >> >> I've been trying to run clang on a Windows on Arm machine, but it keeps >> trying to using the link.exe located in "Visual studio/..../Host64/arm64", >> which is (seemingly) an x64 tool and as such doesn't run, and crashes the >> process. >> Is there a way to set clang to look at VS's x86 link.exe? Or if there is an >> arm64 version that clang should be using instead? >> >> Thanks, >> Joel >> IMPORTANT NOTICE: The contents of this email and any attachments are >> confidential and may also be privileged. If you are not the intended >> recipient, please notify the sender immediately and do not disclose the >> contents to any other person, use it for any purpose, or store or copy the >> information in any medium. Thank you. >> _______________________________________________ >> linaro-toolchain mailing list >> linaro-toolchain@lists.linaro.org >> https://lists.linaro.org/mailman/listinfo/linaro-toolchain > > IMPORTANT NOTICE: The contents of this email and any attachments are > confidential and may also be privileged. If you are not the intended > recipient, please notify the sender immediately and do not disclose the > contents to any other person, use it for any purpose, or store or copy the > information in any medium. Thank you. _______________________________________________ linaro-toolchain mailing list linaro-toolchain@lists.linaro.org https://lists.linaro.org/mailman/listinfo/linaro-toolchain
