Unverified Commit ded560ca authored by Tristan Ross's avatar Tristan Ross
Browse files

llvmPackages_{20,21,git}.compiler-rt: no fmv on aarch64 without libc 

aarch64 FMV (Function MultiVersioning) is not available before the libc
is available. This causes issues while building with compiler-rt on
aarch64. By disabling FMV before the libc is available resolves missing
symbol errors.
parent e2c4055c

pkgs/development/compilers/llvm/common/compiler-rt/default.nix

+4 −0
Original line number Diff line number Diff line
@@ -244,6 +244,10 @@ stdenv.mkDerivation (finalAttrs: { 
  ++ lib.optionals (noSanitizers && lib.versionAtLeast release_version "19") [

    (lib.cmakeBool "COMPILER_RT_BUILD_CTX_PROFILE" false)

  ]

  ++

    lib.optional (stdenv.hostPlatform.isAarch64 && !haveLibc)

      # Fixes https://github.com/NixOS/nixpkgs/issues/393603

      (lib.cmakeBool "COMPILER_RT_DISABLE_AARCH64_FMV" true)

  ++ devExtraCmakeFlags;



  outputs = [