Define BUILD_SHARED_LIBS flag, which will define LIBRARY_TYPE variable

CMakeLists.txt

@@ -37,11 +37,16 @@ set(LIBWEBRTC_VERSION
     ${LIBWEBRTC_API_VERSION}${LIBWEBRTC_BUILD_VERSION})
 
 #
-# Options
-#
-
+# Options, flags
 option(BUILD_TESTS "Build test binaries" OFF)
 set(NINJA_ARGS "" CACHE STRING "Ninja arguments to pass before compiling WebRTC")
+option(BUILD_SHARED_LIBS "Build WebRTC as a shared library." OFF)
+
+if(BUILD_SHARED_LIBS)
+  set(LIBRARY_TYPE SHARED)
+else()
+  set(LIBRARY_TYPE STATIC)
+endif()
 
 #
 # Offer the user the choice of overriding the installation directories

Targets/libwebrtc/CMakeLists.txt

@@ -35,7 +35,7 @@ if (${LIBWEBRTC_OBJ_EXCLUDED_LEN} GREATER "0")
   list(REMOVE_ITEM LIBWEBRTC_OBJ_FILES ${LIBWEBRTC_OBJ_EXCLUDED})
 endif ()
 
-add_library(webrtc STATIC ${LIBWEBRTC_OBJ_FILES})
+add_library(webrtc ${LIBRARY_TYPE} ${_OBJ_FILES})
 
 set_source_files_properties(${LIBWEBRTC_OBJ_FILES} PROPERTIES
                             EXTERNAL_OBJECT true