{ stdenv, fetchFromGitHub, python, llvmPackages }: let llvm = llvmPackages.llvm; clang = llvmPackages.clang; in stdenv.mkDerivation { name = "libclc-2017-11-29"; src = fetchFromGitHub { owner = "llvm-mirror"; repo = "libclc"; rev = "d6384415ab854c68777dd77451aa2bc0d959da99"; sha256 = "10fqrlnqlknh58x7pfsbg9r07fblfg2mgq2m4fr1jbb836ncn3wh"; }; nativeBuildInputs = [ python ]; buildInputs = [ llvm clang ]; postPatch = '' sed -i 's,llvm_clang =.*,llvm_clang = "${clang}/bin/clang",' configure.py sed -i 's,cxx_compiler =.*,cxx_compiler = "${clang}/bin/clang++",' configure.py ''; configurePhase = '' ${python.interpreter} ./configure.py --prefix=$out ''; meta = with stdenv.lib; { homepage = http://libclc.llvm.org/; description = "Implementation of the library requirements of the OpenCL C programming language"; license = licenses.mit; platforms = platforms.all; }; }