feat: assignment 3

assignment3/default.nix

@@ -0,0 +1,21 @@
+let
+  basicC = subdir: name: { stdenv }:
+    stdenv.mkDerivation {
+      inherit name;
+      src = ./.;
+      buildPhase = ''
+        runHook preBuild
+        gcc ${subdir}/${name}.c -o ${name}.bin -pthread -lrt
+        runHook postBuild
+      '';
+      installPhase = ''
+        runHook preInstall
+        mkdir -p $out/bin
+        install ${name}.bin $out/bin/${name}
+        runHook postInstall
+      '';
+    };
+in {
+  a3-producer = basicC "src" "producer";
+  a3-consumer = basicC "src" "consumer";
+}