mirror of
https://gitee.com/open-loongarch/buildroot-2024.08.git
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first commit: base 2024.08
Signed-off-by: maoxiaochuan <maoxiaochuan@loongson.cn>
This commit is contained in:
tao89959
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################################################################################
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#
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# flutter-engine
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#
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################################################################################
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# Flutter-engine has a release on the GitHub page. However, that release is
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# only for Google. Its intended purpose is for the gclient tool provided by
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# Google in their depot-tools package. To use the source code, we must use
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# gclient to download the flutter-engine source code along with several other
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# projects. Unfortunately, the Buildroot download system does not have the
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# capability of using gclient, and considering this package is the only
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# package that uses gclient, we side-step the entire download process and
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# perform the following steps if a tarball does not exist already:
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#
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# - Copy the pre-made gclient config file to a temporary scratch directory.
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# - Run gclient sync to generate a source directory with the proper
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# flutter-engine source code in the correct places.
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# - Create a source tarball.
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# - Copy the source tarball to the $(FLUTTER_ENGINE_DL_DIR) directory.
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#
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# There is no hash provided, as the gn binary (used for configuration) relies
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# on the .git directories. As such, a reproducible tarball is not possible.
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FLUTTER_ENGINE_VERSION = 3.24.0
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# There is nothing for Buildroot to download. This is handled by gclient.
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FLUTTER_ENGINE_SITE =
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FLUTTER_ENGINE_SOURCE =
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FLUTTER_ENGINE_LICENSE = BSD-3-Clause
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FLUTTER_ENGINE_LICENSE_FILES = LICENSE
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FLUTTER_ENGINE_TARBALL_PATH = $(FLUTTER_ENGINE_DL_DIR)/flutter-$(FLUTTER_ENGINE_VERSION).tar.gz
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FLUTTER_ENGINE_INSTALL_STAGING = YES
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FLUTTER_ENGINE_DOWNLOAD_DEPENDENCIES = host-depot-tools
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FLUTTER_ENGINE_DEPENDENCIES = \
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host-flutter-sdk-bin \
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host-ninja \
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host-pkgconf \
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freetype \
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zlib
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# Dispatch all architectures of flutter
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# FLUTTER_ENGINE_TARGET_TRIPPLE must match the directory name found in
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# buildtools/linux-x64/clang/lib/clang/*/lib
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ifeq ($(BR2_aarch64),y)
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FLUTTER_ENGINE_TARGET_ARCH = arm64
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FLUTTER_ENGINE_TARGET_TRIPPLE = aarch64-unknown-linux-gnu
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else ifeq ($(BR2_arm)$(BR2_armeb),y)
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FLUTTER_ENGINE_TARGET_ARCH = arm
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FLUTTER_ENGINE_TARGET_TRIPPLE = armv7-unknown-linux-gnueabihf
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else ifeq ($(BR2_x86_64),y)
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FLUTTER_ENGINE_TARGET_ARCH = x64
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FLUTTER_ENGINE_TARGET_TRIPPLE = x86_64-unknown-linux-gnu
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endif
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ifeq ($(FLUTTER_ENGINE_RUNTIME_MODE_PROFILE),y)
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FLUTTER_ENGINE_RUNTIME_MODE=profile
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else ifeq ($(BR2_ENABLE_RUNTIME_DEBUG),y)
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FLUTTER_ENGINE_RUNTIME_MODE=debug
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else
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FLUTTER_ENGINE_RUNTIME_MODE=release
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endif
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FLUTTER_ENGINE_BUILD_DIR = \
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$(@D)/out/linux_$(FLUTTER_ENGINE_RUNTIME_MODE)_$(FLUTTER_ENGINE_TARGET_ARCH)
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FLUTTER_ENGINE_INSTALL_FILES = libflutter_engine.so
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# Flutter engine includes a bundled patched clang that must be used for
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# compiling or else there are linking errors.
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FLUTTER_ENGINE_CLANG_PATH = $(@D)/flutter/buildtools/linux-x64/clang
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FLUTTER_ENGINE_CONF_OPTS = \
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--clang \
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--embedder-for-target \
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--linux-cpu $(FLUTTER_ENGINE_TARGET_ARCH) \
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--no-build-embedder-examples \
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--no-clang-static-analyzer \
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--no-enable-unittests \
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--no-goma \
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--no-prebuilt-dart-sdk \
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--no-stripped \
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--runtime-mode $(FLUTTER_ENGINE_RUNTIME_MODE) \
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--target-os linux \
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--target-sysroot $(STAGING_DIR) \
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--target-toolchain $(FLUTTER_ENGINE_CLANG_PATH) \
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--target-triple $(FLUTTER_ENGINE_TARGET_TRIPPLE)
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ifeq ($(BR2_arm)$(BR2_armeb),y)
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FLUTTER_ENGINE_CONF_OPTS += \
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--arm-float-abi $(call qstrip,$(BR2_GCC_TARGET_FLOAT_ABI))
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endif
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# We must specify a full path to ccache and a full path to the flutter-engine
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# provided clang in order to use ccache, or else flutter-engine will error out
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# attempting to find ccache in the target-toolchain provided path.
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ifeq ($(BR2_CCACHE),y)
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define FLUTTER_ENGINE_COMPILER_PATH_FIXUP
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$(SED) "s%cc =.*%cc = \"$(HOST_DIR)/bin/ccache $(FLUTTER_ENGINE_CLANG_PATH)/bin/clang\""%g \
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$(@D)/build/toolchain/custom/BUILD.gn
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$(SED) "s%cxx =.*%cxx = \"$(HOST_DIR)/bin/ccache $(FLUTTER_ENGINE_CLANG_PATH)/bin/clang++\""%g \
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$(@D)/build/toolchain/custom/BUILD.gn
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endef
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FLUTTER_ENGINE_PRE_CONFIGURE_HOOKS += FLUTTER_ENGINE_COMPILER_PATH_FIXUP
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endif
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ifeq ($(BR2_ENABLE_LTO),y)
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FLUTTER_ENGINE_CONF_OPTS += --lto
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else
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FLUTTER_ENGINE_CONF_OPTS += --no-lto
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endif
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ifeq ($(BR2_OPTIMIZE_0),y)
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FLUTTER_ENGINE_CONF_OPTS += --unoptimized
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endif
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# There is no --disable-fontconfig option.
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ifeq ($(BR2_PACKAGE_FONTCONFIG),y)
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FLUTTER_ENGINE_DEPENDENCIES += fontconfig
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FLUTTER_ENGINE_CONF_OPTS += --enable-fontconfig
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endif
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ifeq ($(BR2_PACKAGE_HAS_LIBGL),y)
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FLUTTER_ENGINE_DEPENDENCIES += libgl
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endif
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ifeq ($(BR2_PACKAGE_HAS_LIBGLES),y)
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FLUTTER_ENGINE_DEPENDENCIES += libgles
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FLUTTER_ENGINE_CONF_OPTS += --enable-impeller-3d
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endif
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ifeq ($(BR2_PACKAGE_LIBGLFW),y)
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FLUTTER_ENGINE_DEPENDENCIES += libglfw
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FLUTTER_ENGINE_CONF_OPTS += --build-glfw-shell
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else
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FLUTTER_ENGINE_CONF_OPTS += --no-build-glfw-shell
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endif
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ifeq ($(BR2_PACKAGE_LIBGTK3),y)
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FLUTTER_ENGINE_DEPENDENCIES += libgtk3
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FLUTTER_ENGINE_INSTALL_FILES += libflutter_linux_gtk.so
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else
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FLUTTER_ENGINE_CONF_OPTS += --disable-desktop-embeddings
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endif
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# There is no --disable-vulkan option
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ifeq ($(BR2_PACKAGE_MESA3D_VULKAN_DRIVER),y)
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FLUTTER_ENGINE_CONF_OPTS += --enable-vulkan --enable-impeller-vulkan
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endif
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ifeq ($(BR2_PACKAGE_XORG7)$(BR2_PACKAGE_LIBXCB),yy)
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FLUTTER_ENGINE_DEPENDENCIES += libxcb
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else
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define FLUTTER_ENGINE_VULKAN_X11_SUPPORT_FIXUP
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$(SED) "s%vulkan_use_x11.*%vulkan_use_x11 = false%g" -i \
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$(@D)/flutter/build_overrides/vulkan_headers.gni
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$(SED) "s%ozone_platform_x11.*%ozone_platform_x11 = false%g" \
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$(@D)/build/config/BUILDCONFIG.gn
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endef
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FLUTTER_ENGINE_PRE_CONFIGURE_HOOKS += FLUTTER_ENGINE_VULKAN_X11_SUPPORT_FIXUP
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endif
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ifeq ($(BR2_PACKAGE_WAYLAND),y)
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FLUTTER_ENGINE_DEPENDENCIES += wayland
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else
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define FLUTTER_ENGINE_VULKAN_WAYLAND_SUPPORT_FIXUP
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$(SED) "s%vulkan_use_wayland.*%vulkan_use_wayland = false%g" \
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$(@D)/flutter/build_overrides/vulkan_headers.gni
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$(SED) "s%ozone_platform_wayland.*%ozone_platform_wayland = false%g" \
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$(@D)/build/config/BUILDCONFIG.gn
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endef
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FLUTTER_ENGINE_PRE_CONFIGURE_HOOKS += FLUTTER_ENGINE_VULKAN_WAYLAND_SUPPORT_FIXUP
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endif
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# Generate a tarball if one does not already exist.
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define FLUTTER_ENGINE_GENERATE_TARBALL
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TAR="$(TAR)" \
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PATH=$(HOST_DIR)/share/depot_tools:$(BR_PATH) \
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PYTHONPATH=$(HOST_DIR)/lib/python$(PYTHON3_VERSION_MAJOR) \
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PUB_CACHE=$(FLUTTER_SDK_BIN_PUB_CACHE) \
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$(FLUTTER_ENGINE_PKGDIR)/gen-tarball \
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--dot-gclient $(TOPDIR)/$(FLUTTER_ENGINE_PKGDIR)/dot-gclient \
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--jobs $(PARALLEL_JOBS) \
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--scratch-dir $(@D)/dl-tmp \
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--tarball-dl-path $(FLUTTER_ENGINE_TARBALL_PATH) \
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--version $(FLUTTER_ENGINE_VERSION)
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endef
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FLUTTER_ENGINE_POST_DOWNLOAD_HOOKS += FLUTTER_ENGINE_GENERATE_TARBALL
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define FLUTTER_ENGINE_EXTRACT_CMDS
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$(call suitable-extractor,$(FLUTTER_ENGINE_TARBALL_PATH)) $(FLUTTER_ENGINE_TARBALL_PATH) \
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| $(TAR) --strip-components=1 -C $(@D) $(TAR_OPTIONS) -
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endef
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# We must set the home directory to the sdk directory or else flutter will
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# place .dart, and .flutter in ~/.
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define FLUTTER_ENGINE_CONFIGURE_CMDS
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cd $(@D) && \
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rm -rf $(FLUTTER_ENGINE_BUILD_DIR) && \
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PATH=$(HOST_DIR)/share/depot_tools:$(BR_PATH) \
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PUB_CACHE=$(FLUTTER_SDK_BIN_PUB_CACHE) \
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HOME=$(HOST_FLUTTER_SDK_BIN_SDK) \
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./flutter/tools/gn \
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$(FLUTTER_ENGINE_CONF_OPTS)
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endef
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define FLUTTER_ENGINE_BUILD_CMDS
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cd $(@D) && \
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PATH=$(HOST_DIR)/share/depot_tools:$(BR_PATH) \
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PUB_CACHE=$(FLUTTER_SDK_BIN_PUB_CACHE) \
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HOME=$(HOST_FLUTTER_SDK_BIN_SDK) \
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$(HOST_DIR)/bin/ninja \
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-j $(PARALLEL_JOBS) \
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-C $(FLUTTER_ENGINE_BUILD_DIR)
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endef
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# Flutter-engine builds several host applications use for flutter development.
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# One of those applications is gen_snapshot, which turns applications into
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# usable .so files for the target architecture. Compiling a host version of
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# flutter-engine would result in binaries producing host-architecture
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# flutter applications .so files. As such, copy gen_snapshot to the host
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# directory here and name it flutter_gen_snapshot for clarity.
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FLUTTER_ENGINE_GEN_SNAPSHOT = $(HOST_DIR)/bin/flutter_gen_snapshot
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define FLUTTER_ENGINE_INSTALL_GEN_SNAPSHOT
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$(INSTALL) -D -m 0755 $(FLUTTER_ENGINE_BUILD_DIR)/clang_x64/gen_snapshot \
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$(HOST_DIR)/bin/flutter_gen_snapshot
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endef
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FLUTTER_ENGINE_POST_INSTALL_STAGING_HOOKS += FLUTTER_ENGINE_INSTALL_GEN_SNAPSHOT
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define FLUTTER_ENGINE_INSTALL_STAGING_CMDS
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$(foreach i,$(FLUTTER_ENGINE_INSTALL_FILES),
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$(INSTALL) -D -m 0755 $(FLUTTER_ENGINE_BUILD_DIR)/so.unstripped/$(i) \
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$(STAGING_DIR)/usr/lib/$(i); \
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)
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$(INSTALL) -D -m 0755 $(FLUTTER_ENGINE_BUILD_DIR)/flutter_embedder.h \
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$(STAGING_DIR)/usr/include/flutter_embedder.h
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$(INSTALL) -D -m 0755 $(FLUTTER_ENGINE_BUILD_DIR)/icudtl.dat \
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$(STAGING_DIR)/usr/share/flutter/$(FLUTTER_ENGINE_RUNTIME_MODE)/data/icudtl.dat
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endef
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define FLUTTER_ENGINE_INSTALL_TARGET_CMDS
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$(foreach i,$(FLUTTER_ENGINE_INSTALL_FILES),
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$(INSTALL) -D -m 0755 $(FLUTTER_ENGINE_BUILD_DIR)/so.unstripped/$(i) \
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$(TARGET_DIR)/usr/lib/$(i); \
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)
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$(INSTALL) -D -m 0755 $(FLUTTER_ENGINE_BUILD_DIR)/icudtl.dat \
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$(TARGET_DIR)/usr/share/flutter/$(FLUTTER_ENGINE_RUNTIME_MODE)/data/icudtl.dat
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endef
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$(eval $(generic-package))
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