add glibc, valgrind, and ncurses

flake.nix

@@ -11,7 +11,6 @@
   }: let
     defaultSystems = ["aarch64-darwin" "aarch64-linux" "i686-linux" "x86_64-darwin" "x86_64-linux"];
 
-    # forAllSystems = f: nixpkgs.lib.genAttrs defaultSystems (system: f system);
     forAllSystems = f:
       nixpkgs.lib.genAttrs defaultSystems (system:
         f system (import nixpkgs {
@@ -46,18 +45,23 @@
             ghc
 
             # C Dependencies
-            pipewire
+            glibc.dev
             pipewire.dev
+            ncurses.dev
 
             # Language/Development Tooling
             clang-tools
             bear # clang compile_commands.json
+            valgrind # memory debugging+profiling
             haskell-language-server
             ormolu
           ];
 
           shell = "${pkgs.bash}/bin/bash";
 
+          # so I can easily read the glibc header files
+          GLIBC = "${pkgs.glibc.dev}/include";
+
           # SPA API is provided by pipewire's "dev" derivation output
           NIX_CFLAGS_COMPILE = let
             # libpipewire (and libspa)