{ stdenv, lib, buildPackages, fetchFromGitHub, callPackage, wrapCCWith, overrideCC }: let version = "5.2.3"; src = fetchFromGitHub { owner = "RadeonOpenCompute"; repo = "llvm-project"; rev = "rocm-${version}"; hash = "sha256-sudH8hnjReyuCFm2CBEPd8W88SjAARgCd1MTIJaDjTI="; }; in rec { clang = wrapCCWith rec { cc = llvm; extraBuildCommands = '' clang_version=`${cc}/bin/clang -v 2>&1 | grep "clang version " | grep -E -o "[0-9.-]+"` rsrc="$out/resource-root" mkdir "$rsrc" ln -s "${cc}/lib/clang/$clang_version/include" "$rsrc" ln -s "${cc}/lib/clang/$clang_version/lib" "$rsrc/lib" echo "-resource-dir=$rsrc" >> $out/nix-support/cc-cflags echo "--gcc-toolchain=${stdenv.cc.cc}" >> $out/nix-support/cc-cflags rm $out/nix-support/add-hardening.sh touch $out/nix-support/add-hardening.sh # GPU compilation uses builtin lld substituteInPlace $out/bin/clang \ --replace '-MM) dontLink=1 ;;' $'-MM | --cuda-device-only) dontLink=1 ;;\n--cuda-host-only | --cuda-compile-host-device) dontLink=0 ;;' substituteInPlace $out/bin/clang++ \ --replace '-MM) dontLink=1 ;;' $'-MM | --cuda-device-only) dontLink=1 ;;\n--cuda-host-only | --cuda-compile-host-device) dontLink=0 ;;' ''; }; clangNoCompilerRt = wrapCCWith rec { cc = llvm; extraBuildCommands = '' clang_version=`${cc}/bin/clang -v 2>&1 | grep "clang version " | grep -E -o "[0-9.-]+"` rsrc="$out/resource-root" mkdir "$rsrc" ln -s "${cc}/lib/clang/$clang_version/include" "$rsrc" echo "-resource-dir=$rsrc" >> $out/nix-support/cc-cflags echo "--gcc-toolchain=${stdenv.cc.cc}" >> $out/nix-support/cc-cflags rm $out/nix-support/add-hardening.sh touch $out/nix-support/add-hardening.sh # GPU compilation uses builtin lld substituteInPlace $out/bin/clang \ --replace '-MM) dontLink=1 ;;' $'-MM | --cuda-device-only) dontLink=1 ;;\n--cuda-host-only | --cuda-compile-host-device) dontLink=0 ;;' substituteInPlace $out/bin/clang++ \ --replace '-MM) dontLink=1 ;;' $'-MM | --cuda-device-only) dontLink=1 ;;\n--cuda-host-only | --cuda-compile-host-device) dontLink=0 ;;' ''; }; llvm = callPackage ./llvm.nix { inherit src version; }; }