include(Common)

#
# Fetch
#

set(GCLIENT_CONFIG_COMMAND
        ${DEPOTTOOLS_GCLIENT_EXECUTABLE} config --name src
        https://chromium.googlesource.com/external/webrtc.git
)

add_libwebrtc_command(libwebrtc_config
        ${CMAKE_BINARY_DIR}/.gclient
        "${GCLIENT_CONFIG_COMMAND}"
        ${CMAKE_BINARY_DIR}
        "Configuring gclient to pull webrtc code"
)

#
# Sync
#

set(GCLIENT_SYNC_COMMAND
        ${DEPOTTOOLS_GCLIENT_EXECUTABLE} sync -n -D
)

add_libwebrtc_command(libwebrtc_sync
        ${CMAKE_BINARY_DIR}/src/all.gyp
        "${GCLIENT_SYNC_COMMAND}"
        ${CMAKE_BINARY_DIR}
        "Retrieving WebRTC source code"
        libwebrtc_config
)

#
# Sync Chromium
#

set(GIT_CLONE_COMMAND git clone ${LIBWEBRTC_CHROMIUM_DEPS} ${CMAKE_BINARY_DIR}/src/chromium/src)

add_libwebrtc_command(libwebrtc_chromium_deps
        ${CMAKE_BINARY_DIR}/src/chromium/src/DEPS
        "${GIT_CLONE_COMMAND}"
        ${CMAKE_BINARY_DIR}
        "Retrieving Chromium dependencies"
        libwebrtc_sync
)

#
# Update Clang
#

set(UPDATE_CLAND_COMMAND ${LIBWEBRTC_ENV_COMMAND} python chromium/src/tools/clang/scripts/update.py)

add_libwebrtc_command(libwebrtc_clang
        ${CMAKE_BINARY_DIR}/src/chromium/src/third_party/llvm-build
        "${UPDATE_CLAND_COMMAND}"
        ${CMAKE_BINARY_DIR}/src
        "Updating clang"
        libwebrtc_chromium_deps
)

#
# Setup Links
#

set(SETUP_LINKS_COMMAND ${LIBWEBRTC_ENV_COMMAND} python setup_links.py)

add_libwebrtc_command(libwebrtc_links
        ${CMAKE_BINARY_DIR}/src/tools/clang
        "${SETUP_LINKS_COMMAND}"
        ${CMAKE_BINARY_DIR}/src
        "Creating symbolic links"
        libwebrtc_clang
)

#
# Remove examples
#

if(NOT BUILD_EXAMPLES)
    set(PATCH_COMMAND sed -i "s/'include_examples%': 1/'include_examples%': 0/g" src/all.gyp)

    add_libwebrtc_command(libwebrtc_patch
            None
            "${PATCH_COMMAND}"
            ${CMAKE_BINARY_DIR}
            "Patching build definitions"
            libwebrtc_links
    )
endif(NOT BUILD_EXAMPLES)