Merge pull request #291900 from eliandoran/dev/cmake_main_program

cmake: add meta.mainProgram

pkgs/by-name/cm/cmake/package.nix

@@ -191,6 +191,7 @@ stdenv.mkDerivation (finalAttrs: {
     license = lib.licenses.bsd3;
     maintainers = with lib.maintainers; [ ttuegel lnl7 AndersonTorres ];
     platforms = lib.platforms.all;
+    mainProgram = "cmake";
     broken = (qt5UI && stdenv.isDarwin);
   };
 })