fix the linux build and the license header

Author: xianshijing-lk

CMakeLists.txt

@@ -141,6 +141,19 @@ add_custom_target(build_rust_ffi ALL
   VERBATIM
 )
 
+# A workaround to strip out the protozero_plugin.o symbols which cause our examples fail to link on Linux.
+# Make sure CMAKE_AR is defined; if not, you can hardcode "ar"
+if(NOT CMAKE_AR)
+  find_program(CMAKE_AR ar REQUIRED)
+endif()
+
+add_custom_command(
+  TARGET build_rust_ffi
+  POST_BUILD
+  COMMAND ${CMAKE_AR} -dv $<TARGET_FILE:livekit_ffi> protozero_plugin.o
+  COMMENT "Removing protozero_plugin.o (stray main) from liblivekit_ffi.a"
+)
+
 # ---- C++ wrapper library ----
 add_library(livekit
   include/livekit/audio_frame.h

include/livekit/ffi_handle.h

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023 LiveKit
+ * Copyright 2025 LiveKit
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

include/livekit/room.h

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023 LiveKit
+ * Copyright 2025 LiveKit
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

include/livekit/room_delegate.h

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023 LiveKit
+ * Copyright 2025 LiveKit
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

include/livekit/stats.h

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023 LiveKit
+ * Copyright 2025 LiveKit
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/ffi_handle.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023 LiveKit
+ * Copyright 2025 LiveKit
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/local_track_publication.cpp

@@ -1,3 +1,19 @@
+/*
+ * Copyright 2025 LiveKit
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an “AS IS” BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #include "livekit/local_track_publication.h"
 
 #include "livekit/track.h"

src/remote_track_publication.cpp

@@ -1,3 +1,19 @@
+/*
+ * Copyright 2025 LiveKit
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an “AS IS” BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #include "livekit/remote_track_publication.h"
 
 #include "ffi.pb.h"

src/room.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023 LiveKit
+ * Copyright 2025 LiveKit
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

src/room_proto_converter.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023 LiveKit
+ * Copyright 2025 LiveKit
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.