Nvidia libs only

- Avoid building (and fetching) linux kernel

default.nix

@@ -7,8 +7,13 @@ let
 in
 with pkgs;
 rec {
+  nvidiaLibsOnly = linuxPackages.nvidia_x11.override {
+    libsOnly = true;
+    kernel = null;
+  };
+
   nixGLNvidiaBumblebee = runCommand "nixGLNvidiaBumblebee-${version}" {
-    buildInputs = [ libglvnd linuxPackages.nvidia_x11 bumblebee ];
+    buildInputs = [ libglvnd nvidiaLibsOnly bumblebee ];
 
      meta = with pkgs.stdenv.lib; {
          description = "A tool to launch OpenGL application on system other than NixOS - Nvidia bumblebee version";
@@ -18,7 +23,7 @@ rec {
       mkdir -p $out/bin
       cat > $out/bin/nixGLNvidiaBumblebee << FOO
       #!/usr/bin/env sh
-      export LD_LIBRARY_PATH=${linuxPackages.nvidia_x11}/lib
+      export LD_LIBRARY_PATH=${nvidiaLibsOnly}/lib
       ${bumblebee}/bin/optirun --ldpath ${libglvnd}/lib "\$@"
       FOO
 
@@ -26,7 +31,7 @@ rec {
       '';
 
   nixGLNvidia = runCommand "nixGLNvidia-${version}" {
-    buildInputs = [ libglvnd linuxPackages.nvidia_x11 ];
+    buildInputs = [ libglvnd nvidiaLibsOnly ];
 
      meta = with pkgs.stdenv.lib; {
          description = "A tool to launch OpenGL application on system other than NixOS - Nvidia version";
@@ -36,7 +41,7 @@ rec {
       mkdir -p $out/bin
       cat > $out/bin/nixGLNvidia << FOO
       #!/usr/bin/env sh
-      export LD_LIBRARY_PATH=${linuxPackages.nvidia_x11}/lib:${libglvnd}/lib
+      export LD_LIBRARY_PATH=${nvidiaLibsOnly}/lib:${libglvnd}/lib
       "\$@"
       FOO