slop: add missing libSM dependency (#182506)

* slop: format

* slop: add missing libSM dependency

pkgs/tools/misc/slop/default.nix

@@ -1,6 +1,17 @@
-{ lib, stdenv, fetchFromGitHub, cmake, pkg-config
-, glew, glm, libGLU, libGL, libX11, libXext, libXrender, icu
-, cppcheck
+{ lib
+, stdenv
+, fetchFromGitHub
+, cmake
+, pkg-config
+, glew
+, glm
+, libGLU
+, libGL
+, libX11
+, libXext
+, libXrender
+, icu
+, libSM
 }:
 
 stdenv.mkDerivation rec {
@@ -14,17 +25,28 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-LdBQxw8K8WWSfm4E2QpK4GYTuYvI+FX5gLOouVFSU/U=";
   };
 
-  nativeBuildInputs = [ cmake pkg-config ];
-  buildInputs = [ glew glm libGLU libGL libX11 libXext libXrender icu ]
-                ++ lib.optional doCheck cppcheck;
+  nativeBuildInputs = [
+    cmake
+    pkg-config
+  ];
 
-  doCheck = false;
+  buildInputs = [
+    glew
+    glm
+    libGLU
+    libGL
+    libX11
+    libXext
+    libXrender
+    icu
+    libSM
+  ];
 
   meta = with lib; {
     inherit (src.meta) homepage;
     description = "Queries a selection from the user and prints to stdout";
     platforms = lib.platforms.linux;
-    license = lib.licenses.gpl3Plus;
+    license = licenses.gpl3Plus;
     maintainers = with maintainers; [ ];
   };
 }