Move Prefix and Platform checks, begin Android support

CMakeModules/LibWebRTCConfig.cmake

@@ -0,0 +1,25 @@
+#
+# Retrieve WebRTC source code
+#
+file(WRITE ${CMAKE_BINARY_DIR}/.gclient "solutions = [
+  {
+    \"url\": \"https://chromium.googlesource.com/external/webrtc.git\",
+    \"managed\": False,
+    \"name\": \"src\",
+    \"deps_file\": \"DEPS\",
+    \"custom_deps\": {},
+  },
+]
+")
+
+if (TARGET_OS STREQUAL "android")
+  file(APPEND ${CMAKE_BINARY_DIR}/.gclient "target_os = [\"android\", \"unix\"]")
+elseif (TARGET_OS STREQUAL "ios")
+  file(APPEND ${CMAKE_BINARY_DIR}/.gclient "target_os = [\"ios\", \"mac\"]")
+elseif (TARGET_OS STREQUAL "linux")
+  file(APPEND ${CMAKE_BINARY_DIR}/.gclient "target_os = [\"unix\"]")
+elseif (TARGET_OS STREQUAL "mac")
+  file(APPEND ${CMAKE_BINARY_DIR}/.gclient "target_os = [\"mac\"]")
+elseif (TARGET_OS STREQUAL "win")
+  file(APPEND ${CMAKE_BINARY_DIR}/.gclient "target_os = [\"win\"]")
+endif (TARGET_OS STREQUAL "android")

CMakeModules/LibWebRTCPrefix.cmake

@@ -0,0 +1,48 @@
+#
+# Generate environment variables
+#
+set(WEBRTC_PATH ${CMAKE_SOURCE_DIR}/Dependencies/depot_tools)
+
+if (WIN32)
+  get_filename_component(DEPOT_TOOLS_PYTHON_PATH
+                         "${WEBRTC_PATH}/python276_bin"
+                         REALPATH)
+  list(APPEND WEBRTC_PATH ${DEPOT_TOOLS_PYTHON_PATH})
+endif (WIN32)
+
+list(APPEND WEBRTC_PATH $ENV{PATH})
+
+if (WIN32)
+  string(REGEX REPLACE "/" "\\\\" WEBRTC_PATH "${WEBRTC_PATH}")
+  string(REGEX REPLACE ";" "\\\;" WEBRTC_PATH "${WEBRTC_PATH}")
+else (WIN32)
+  string(REGEX REPLACE ";" ":" WEBRTC_PATH "${WEBRTC_PATH}")
+endif (WIN32)
+
+get_filename_component(CHROMIUM_PYTHONPATH
+                       "${CMAKE_BINARY_DIR}/src/build"
+                       REALPATH)
+
+if (WIN32)
+  set(PREFIX_FILENAME ${CMAKE_BINARY_DIR}/prefix.bat)
+  set(PREFIX_COMMAND set)
+  set(PREFIX_HEADER "@ECHO OFF")
+  set(PREFIX_EVAL "%*")
+  set(PREFIX_EXECUTE cmd /c ${PREFIX_FILENAME})
+  set(PREFIX_NEWLINE \r\n)
+else (WIN32)
+  set(PREFIX_FILENAME ${CMAKE_BINARY_DIR}/prefix.sh)
+  set(PREFIX_COMMAND export)
+  set(PREFIX_HEADER "")
+  set(PREFIX_EVAL eval\ $@)
+  set(PREFIX_EXECUTE /bin/sh ${PREFIX_FILENAME})
+  set(PREFIX_NEWLINE \n)
+endif (WIN32)
+
+file(WRITE ${PREFIX_FILENAME} ${PREFIX_HEADER}${PREFIX_NEWLINE})
+file(APPEND ${PREFIX_FILENAME} ${PREFIX_COMMAND}\ PATH=${WEBRTC_PATH}${PREFIX_NEWLINE})
+file(APPEND ${PREFIX_FILENAME} ${PREFIX_COMMAND}\ PYTHONPATH=${CHROMIUM_PYTHONPATH}${PREFIX_NEWLINE})
+file(APPEND ${PREFIX_FILENAME} ${PREFIX_COMMAND}\ DEPOT_TOOLS_WIN_TOOLCHAIN=0${PREFIX_NEWLINE})
+file(APPEND ${PREFIX_FILENAME} ${PREFIX_COMMAND}\ DEPOT_TOOLS_UPDATE=0${PREFIX_NEWLINE})
+file(APPEND ${PREFIX_FILENAME} ${PREFIX_COMMAND}\ CHROME_HEADLESS=1${PREFIX_NEWLINE})
+file(APPEND ${PREFIX_FILENAME} ${PREFIX_EVAL}${PREFIX_NEWLINE})

Targets/Package/CMakeLists.txt

@@ -15,32 +15,8 @@ else (WIN32)
   set(CPACK_GENERATOR "TGZ")
 endif (WIN32)
 
-if (CMAKE_SYSTEM_NAME MATCHES "Linux")
-  set(LIBWEBRTC_PLATFORM "linux")
-elseif (CMAKE_SYSTEM_NAME MATCHES "Darwin")
-  set(LIBWEBRTC_PLATFORM "mac")
-elseif (CMAKE_SYSTEM_NAME MATCHES "Windows")
-  set(LIBWEBRTC_PLATFORM "win32")
-endif ()
-
-if (CMAKE_SYSTEM_PROCESSOR MATCHES "^arm")
-  set(LIBWEBRTC_ARCH "arm")
-elseif (CMAKE_SYSTEM_PROCESSOR MATCHES "^i.86$")
-  set(LIBWEBRTC_ARCH "x86")
-elseif (CMAKE_SYSTEM_PROCESSOR MATCHES "^x86.64$")
-  set(LIBWEBRTC_ARCH "x64")
-elseif (CMAKE_SYSTEM_PROCESSOR STREQUAL "AMD64")
-  set(LIBWEBRTC_ARCH "x64")
-elseif (CMAKE_SYSTEM_PROCESSOR STREQUAL "powerpc")
-  set(LIBWEBRTC_ARCH "ppc")
-elseif (CMAKE_SYSTEM_PROCESSOR STREQUAL "powerpc64")
-  set(LIBWEBRTC_ARCH "ppc64")
-else ()
-  set(LIBWEBRTC_ARCH "${CMAKE_SYSTEM_PROCESSOR}")
-endif ()
-
 set(CPACK_INCLUDE_TOPLEVEL_DIRECTORY 0)
-set(CPACK_PACKAGE_FILE_NAME "libwebrtc-${LIBWEBRTC_VERSION}-${LIBWEBRTC_PLATFORM}-${LIBWEBRTC_ARCH}")
+set(CPACK_PACKAGE_FILE_NAME "libwebrtc-${LIBWEBRTC_VERSION}-${TARGET_OS}-${TARGET_ARCH}")
 set(CPACK_PACKAGE_INSTALL_DIRECTORY "libwebrtc")
 
 include(CPack)

Targets/WebRTC/CMakeLists.txt

@@ -1,61 +1,10 @@
 include(ExternalProject)
-
+include(LibWebRTCPrefix)
-#
+include(LibWebRTCConfig)
-# Generate environment variables
-#
-set(WEBRTC_PATH ${CMAKE_SOURCE_DIR}/Dependencies/depot_tools)
-
-if (WIN32)
-  get_filename_component(DEPOT_TOOLS_PYTHON_PATH
-                         "${DEPOT_TOOLS_PATH}/python276_bin"
-                         REALPATH)
-  list(APPEND WEBRTC_PATH ${DEPOT_TOOLS_PYTHON_PATH})
-endif (WIN32)
-
-list(APPEND WEBRTC_PATH $ENV{PATH})
-
-if (WIN32)
-  string(REGEX REPLACE "/" "\\\\" WEBRTC_PATH "${WEBRTC_PATH}")
-  string(REGEX REPLACE ";" "\\\;" WEBRTC_PATH "${WEBRTC_PATH}")
-else (WIN32)
-  string(REGEX REPLACE ";" ":" WEBRTC_PATH "${WEBRTC_PATH}")
-endif (WIN32)
-
-get_filename_component(CHROMIUM_PYTHONPATH
-                       "${CMAKE_BINARY_DIR}/src/build"
-                       REALPATH)
-
-if (WIN32)
-  set(PREFIX_FILENAME ${CMAKE_BINARY_DIR}/prefix.bat)
-  set(PREFIX_COMMAND set)
-  set(PREFIX_HEADER "@ECHO OFF")
-  set(PREFIX_EVAL "%*")
-  set(PREFIX_EXECUTE cmd /c ${PREFIX_FILENAME})
-  set(PREFIX_NEWLINE \r\n)
-else (WIN32)
-  set(PREFIX_FILENAME ${CMAKE_BINARY_DIR}/prefix.sh)
-  set(PREFIX_COMMAND export)
-  set(PREFIX_HEADER "")
-  set(PREFIX_EVAL eval\ $@)
-  set(PREFIX_EXECUTE /bin/sh ${PREFIX_FILENAME})
-  set(PREFIX_NEWLINE \n)
-endif (WIN32)
-
-file(WRITE ${PREFIX_FILENAME} ${PREFIX_HEADER}${PREFIX_NEWLINE})
-file(APPEND ${PREFIX_FILENAME} ${PREFIX_COMMAND}\ PATH=${WEBRTC_PATH}${PREFIX_NEWLINE})
-file(APPEND ${PREFIX_FILENAME} ${PREFIX_COMMAND}\ PYTHONPATH=${CHROMIUM_PYTHONPATH}${PREFIX_NEWLINE})
-file(APPEND ${PREFIX_FILENAME} ${PREFIX_COMMAND}\ DEPOT_TOOLS_WIN_TOOLCHAIN=0${PREFIX_NEWLINE})
-file(APPEND ${PREFIX_FILENAME} ${PREFIX_COMMAND}\ DEPOT_TOOLS_UPDATE=0${PREFIX_NEWLINE})
-file(APPEND ${PREFIX_FILENAME} ${PREFIX_EVAL}${PREFIX_NEWLINE})
-
-#
-# Retrieve WebRTC source code
-#
-set(GCLIENT_CONFIG_COMMAND ${DEPOTTOOLS_GCLIENT_EXECUTABLE} config --name src https://chromium.googlesource.com/external/webrtc.git)
 
 set(GCLIENT_SYNC_COMMAND
     ${DEPOTTOOLS_GCLIENT_EXECUTABLE} sync
-    --revision ${LIBWEBRTC_WEBRTC_REVISION} -n -D)
+    --revision ${LIBWEBRTC_WEBRTC_REVISION} -D)
 
 set(RETRIEVE_SYSROOT_COMMAND echo)
 if (UNIX AND NOT APPLE)
@@ -70,9 +19,9 @@ ExternalProject_Add(webrtc-src
                     SOURCE_DIR ${CMAKE_BINARY_DIR}
                     DOWNLOAD_DIR ${CMAKE_BINARY_DIR}
 
-                    DOWNLOAD_COMMAND ${PREFIX_EXECUTE} ${GCLIENT_CONFIG_COMMAND}
+                    #DOWNLOAD_COMMAND ${PREFIX_EXECUTE} ${GCLIENT_CONFIG_COMMAND}
-                    UPDATE_COMMAND ${PREFIX_EXECUTE} ${GCLIENT_SYNC_COMMAND}
+                    DOWNLOAD_COMMAND ${PREFIX_EXECUTE} ${GCLIENT_SYNC_COMMAND}
-                    CONFIGURE_COMMAND ${PREFIX_EXECUTE} ${UPDATE_CLANG_COMMAND}
+                    UPDATE_COMMAND ${PREFIX_EXECUTE} ${UPDATE_CLANG_COMMAND}
                     BUILD_COMMAND ${RETRIEVE_SYSROOT_COMMAND}
 
                     INSTALL_COMMAND ""
@@ -104,7 +53,7 @@ add_dependencies(webrtc-buildtools webrtc-src)
 #
 # Generate build files
 #
-set(LIBWEBRTC_GEN_ARGS use_gold=false)
+set(LIBWEBRTC_GEN_ARGS use_gold=false target_cpu=\\"${TARGET_CPU}\\" target_os=\\"${TARGET_OS}\\")
 
 if (NOT CMAKE_BUILD_TYPE MATCHES DEBUG)
   set(LIBWEBRTC_GEN_ARGS ${LIBWEBRTC_GEN_ARGS} is_debug=false)
@@ -174,4 +123,5 @@ ExternalProject_Add(libwebrtc
                     CMAKE_ARGS
                     -DCMAKE_INSTALL_PREFIX=${CMAKE_BINARY_DIR}
                     -DLIBWEBRTC_INCLUDE_DIR:STRING=${CMAKE_BINARY_DIR}/src/webrtc
-                    -DLIBWEBRTC_OUTPUT_DIR:PATH=${CMAKE_BINARY_DIR}/src/out/Default)
+                    -DLIBWEBRTC_OUTPUT_DIR:PATH=${CMAKE_BINARY_DIR}/src/out/Default
+                    -DTARGET_OS:STRING=${TARGET_OS})

Targets/libwebrtc/CMakeLists.txt

@@ -27,11 +27,16 @@ file(GLOB_RECURSE LIBWEBRTC_OBJ_EXCLUDED
 
 list(LENGTH LIBWEBRTC_OBJ_EXCLUDED LIBWEBRTC_OBJ_EXCLUDED_LEN)
 
-if(${LIBWEBRTC_OBJ_EXCLUDED_LEN} GREATER "0")
+if (${LIBWEBRTC_OBJ_EXCLUDED_LEN} GREATER "0")
   list(REMOVE_ITEM LIBWEBRTC_OBJ_FILES ${LIBWEBRTC_OBJ_EXCLUDED})
-endif()
+endif ()
 
-add_library(webrtc STATIC ${LIBWEBRTC_OBJ_FILES})
+if (TARGET_OS STREQUAL "android")
+  set(ANDROID_NDK ${CMAKE_INSTALL_PREFIX}/src/third_party/android_tools/ndk)
+  add_library(webrtc SHARED ${LIBWEBRTC_OBJ_FILES})
+else ()
+  add_library(webrtc STATIC ${LIBWEBRTC_OBJ_FILES})
+endif ()
 
 set_source_files_properties(${LIBWEBRTC_OBJ_FILES} PROPERTIES
                             EXTERNAL_OBJECT true