{ stdenv, writeText, which, strace }: let task_c = writeText "task.c" '' #include int main() { for (int i = 0; i < 10; i++) { #pragma oss task printf("Hello world!\n"); } return 0; } ''; in stdenv.mkDerivation rec { version = "0.0.1"; name = "task_c"; src = task_c; dontUnpack = true; dontConfigure = true; hardeningDisable = [ "all" ]; NIX_DEBUG = 1; buildPhase = '' set -x echo CC=$CC $CC -v cp ${task_c} task.c cat task.c $CC -v -fompss-2 task.c -o task ./task set +x ''; installPhase = '' touch $out ''; }