{ buildFHSEnv, writeScript, stdenvNoCC, src, aocc, cmake, openmpi }: let buildEnv = buildFHSEnv { name = "buildEnv"; targetPkgs = pkgs: with pkgs; [ zlib aocc gcc.cc gcc.cc.lib glibc.dev binutils.bintools openmpi pkg-config ]; extraBwrapArgs = [ "--bind" "$out" "$out" ]; }; buildScript = writeScript "build" '' mkdir build cd build cmake -DCMAKE_INSTALL_PREFIX=$out -DHDF5_INSTALL_CMAKE_DIR=$out/lib/cmake \ -DHDF5_BUILD_FORTRAN=ON -DHDF5_ENABLE_PARALLEL=ON -DBUILD_SHARED_LIBS=OFF -DBUILD_TESTING=OFF .. make -j$NIX_BUILD_CORES make install ''; in stdenvNoCC.mkDerivation { name = "hdf5-aocc"; inherit src; dontConfigure = true; enableParallelBuilding = true; nativeBuildInputs = [ cmake ]; CC = "clang"; CXX = "clang++"; FC = "flang"; OMPI_CC = "clang"; OMPI_CXX = "clang++"; OMPI_FC = "flang"; # CFLAGS = "-march=${stdenvNoCC.hostPlatform.gcc.arch} -O2"; # CXXFLAGS = "-march=${stdenvNoCC.hostPlatform.gcc.arch} -O2"; # FCFLAGS = "-march=${stdenvNoCC.hostPlatform.gcc.arch} -O2"; buildPhase = '' mkdir -p $out ${buildEnv}/bin/buildEnv ${buildScript} ''; dontInstall = true; dontFixup = true; requiredSystemFeatures = [ "gccarch-exact-${stdenvNoCC.hostPlatform.gcc.arch}" "big-parallel" ]; }