2 "id": "flutter-engine",
8 "supported_host_types": [
13 "flutter_runtime": "debug",
15 "DEPOT_TOOLS": "${FLUTTER_WORKSPACE}/app/depot_tools",
16 "ENGINE_ROOT": "${PLATFORM_ID_DIR}/engine",
17 "ENGINE_SRC_DIR_RELATIVE": "src",
18 "ENGINE_SRC_DIR": "${ENGINE_ROOT}/${ENGINE_SRC_DIR_RELATIVE}",
19 "ENGINE_BUILD_FLAGS": "--runtime-mode=debug --embedder-for-target --enable-fontconfig --disable-desktop-embeddings --no-build-embedder-examples --enable-impeller-3d --enable-impeller-opengles --no-lto --no-goma",
20 "ENGINE_BUILD_DIR": "${ENGINE_SRC_DIR}/out/host_debug",
21 "GN_ARGS_FILE": "${ENGINE_BUILD_DIR}/args.gn",
26 "path": "${ENGINE_ROOT}",
28 "name": "src/flutter",
29 "url": "https://github.com/flutter/engine.git",
31 "download_android_deps": false,
32 "download_windows_deps": false,
33 "download_linux_deps": true,
34 "download_emsdk": false
37 "src/third_party/dart/third_party/pkg/tools": "https://dart.googlesource.com/tools.git@545d7e1c73ce21b8c91f638021f9d487d324a501"
46 "sudo apt install pkg-config libfreetype-dev git"
51 "sudo dnf install pkg-config freetype-devel git"
58 "sudo apt install pkg-config libfreetype-dev git"
63 "sudo dnf install pkg-config freetype-devel git"
71 "PATH": "${DEPOT_TOOLS}:$PATH"
73 "cwd": "${ENGINE_ROOT}",
75 "gclient sync -D -R --revision ${FLUTTER_ENGINE_VERSION} -v"
80 "PATH": "${DEPOT_TOOLS}:$PATH"
82 "cwd": "${ENGINE_SRC_DIR}",
84 "./flutter/tools/gn ${ENGINE_BUILD_FLAGS}",
85 "echo ${GN_ARGS_APPEND} >> ${GN_ARGS_FILE}",
86 "ninja -C ${ENGINE_BUILD_DIR}"
90 "cwd": "${ENGINE_BUILD_DIR}",
92 "bash -c \"rm -rf ${PLATFORM_ID_DIR}/bundle | true\"",
93 "mkdir -p ${PLATFORM_ID_DIR}/bundle/data/",
94 "mkdir -p ${PLATFORM_ID_DIR}/bundle/lib/",
95 "cp ${ENGINE_BUILD_DIR}/icudtl.dat ${PLATFORM_ID_DIR}/bundle/data/",
96 "cp ${ENGINE_BUILD_DIR}/libflutter_engine.so ${PLATFORM_ID_DIR}/bundle/lib/"