build: inherit libc++ include paths and set as standard library for Linux

Author: devopvoid

webrtc-jni/src/main/cpp/dependencies/jni-voithos/CMakeLists.txt

@@ -80,4 +80,16 @@ target_include_directories(${PROJECT_NAME}
 		include/jni/${JNI_PLATFORM}
 )
 
+# Inherit libc++ include paths from webrtc
+target_include_directories(${PROJECT_NAME}
+	PUBLIC
+		${TARGET_LIBCPP_BUILDTOOLS_INC_DIR}
+		${TARGET_LIBCPP_INC_DIR}
+		${TARGET_LIBCPP_ABI_INC_DIR}
+)
+
+if(LINUX)
+	target_compile_options(${PROJECT_NAME} PUBLIC -stdlib=libc++)
+endif()
+
 target_link_libraries(${PROJECT_NAME} PRIVATE webrtc)