lunarvim: set CC rather than prefixing CC

nvim.nix

@@ -1,4 +1,4 @@
-{ pkgs, ... }:
+{ pkgs, lib, ... }:
 
 {
   home.packages = with pkgs; [
@@ -6,7 +6,32 @@
     fd
     gcc
     gnumake
-    lunarvim
+    (lunarvim.overrideAttrs (finalAttrs: {
+      installPhase = ''
+        runHook preInstall
+
+        mkdir -p $out
+        cp -r bin share $out
+
+        for iconDir in utils/desktop/*/; do
+          install -Dm444 $iconDir/lvim.svg -t $out/share/icons/hicolor/$(basename $iconDir)/apps
+        done
+
+        install -Dm444 utils/desktop/lvim.desktop -t $out/share/applications
+
+        wrapProgram $out/bin/lvim --prefix PATH : ${ lib.makeBinPath finalAttrs.runtimeDeps } \
+          --prefix LD_LIBRARY_PATH : ${stdenv.cc.cc.lib} \
+          --set CC ${stdenv.cc.targetPrefix}cc
+      '' + lib.optionalString finalAttrs.nvimAlias ''
+        ln -s $out/bin/lvim $out/bin/nvim
+      '' + lib.optionalString finalAttrs.viAlias ''
+        ln -s $out/bin/lvim $out/bin/vi
+      '' + lib.optionalString finalAttrs.vimAlias ''
+        ln -s $out/bin/lvim $out/bin/vim
+      '' + ''
+        runHook postInstall
+      '';
+    }))
     nodejs
     python310Full
     python310Packages.pynvim