watchman: set CMAKE_INSTALL_RPATH_USE_LINK_PATH

Shared libraries, CMake, necessary on Linux… I don’t know.

(cherry picked from commit 33b5c76f14)
(cherry picked from commit e9299e8b164a95aafd0d307b82dd09e76054800b)

pkgs/by-name/wa/watchman/package.nix

@@ -79,6 +79,8 @@ stdenv.mkDerivation (finalAttrs: {
   ];
 
   cmakeFlags = [
+    (lib.cmakeBool "CMAKE_INSTALL_RPATH_USE_LINK_PATH" true)
+
     (lib.cmakeFeature "WATCHMAN_STATE_DIR" stateDir)
     (lib.cmakeFeature "WATCHMAN_VERSION_OVERRIDE" finalAttrs.version)
   ];