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https://github.com/LadybirdBrowser/ladybird.git
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Android: Integrate vcpkg with Gradle build
This ensures that vcpkg downloads and builds all dependencies for Android. We add it as a CMAKE_TOOLCHAIN_FILE that then chainloads the Android NDK's toolchain file, as per the vcpkg documentation.
This commit is contained in:
Alex Studer
Andrew Kaster
parent
ab82fc8993
commit
1d0de0b450
Notes:
sideshowbarker
2024-07-16 22:54:10 +09:00
Author: https://github.com/thatoddmailbox Commit: https://github.com/LadybirdBrowser/ladybird/commit/1d0de0b450 Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/402 Issue: https://github.com/LadybirdBrowser/ladybird/issues/220 Reviewed-by: https://github.com/ADKaster ✅
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@ -1,5 +1,12 @@
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cmake_minimum_required(VERSION 3.25)
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if (VCPKG_TARGET_ANDROID)
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# If we are building for Android, we must load vcpkg_android.cmake before the project() declaration.
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# This ensures that the CMAKE_TOOLCHAIN_FILE is set correctly.
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# (we cannot set CMAKE_TOOLCHAIN_FILE from Gradle, unfortunately, so this is the only place we can do it.)
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include("Ladybird/Android/vcpkg_android.cmake")
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endif()
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project(ladybird
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VERSION 0.1.0
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LANGUAGES C CXX
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@ -4,24 +4,39 @@ set -eo pipefail
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DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
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SERENITY_ROOT="$(realpath "${DIR}"/../..)"
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LADYBIRD_SOURCE_DIR="$(realpath "${DIR}"/../..)"
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# shellcheck source=/dev/null
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. "${SERENITY_ROOT}/Meta/shell_include.sh"
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. "${LADYBIRD_SOURCE_DIR}/Meta/shell_include.sh"
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# shellcheck source=/dev/null
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. "${SERENITY_ROOT}/Meta/find_compiler.sh"
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. "${LADYBIRD_SOURCE_DIR}/Meta/find_compiler.sh"
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pick_host_compiler
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BUILD_DIR=${BUILD_DIR:-"${SERENITY_ROOT}/Build"}
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BUILD_DIR=${BUILD_DIR:-"${LADYBIRD_SOURCE_DIR}/Build"}
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CACHE_DIR=${CACHE_DIR:-"${BUILD_DIR}/caches"}
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cmake -S "$SERENITY_ROOT/Meta/Lagom" -B "$BUILD_DIR/lagom-tools" \
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# HACK: This export of XDG_CACHE_HOME is required to make vcpkg happy.
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# This is because vcpkg tries to find a cache directory by:
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# 1) checking $XDG_CACHE_HOME
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# 2) appending "/.cache" to $HOME
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# The problem is, in the Android build environment, neither of those environment variables are set.
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# This causes vcpkg to fail; so, we set a dummy $XDG_CACHE_HOME, ensuring that vcpkg is happy.
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# (Note that vcpkg appends "/vcpkg" to the cache directory we give it.)
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# (And this also works on macOS, despite the fact that $XDG_CACHE_HOME is a Linux-ism.)
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export XDG_CACHE_HOME="$CACHE_DIR"
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cmake -S "${LADYBIRD_SOURCE_DIR}/Meta/Lagom" -B "$BUILD_DIR/lagom-tools" \
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-GNinja -Dpackage=LagomTools \
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-DCMAKE_INSTALL_PREFIX="$BUILD_DIR/lagom-tools-install" \
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-DCMAKE_C_COMPILER="$CC" \
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-DCMAKE_CXX_COMPILER="$CXX" \
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-DSERENITY_CACHE_DIR="$CACHE_DIR"
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-DSERENITY_CACHE_DIR="$CACHE_DIR" \
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-DCMAKE_TOOLCHAIN_FILE="$LADYBIRD_SOURCE_DIR/Toolchain/Tarballs/vcpkg/scripts/buildsystems/vcpkg.cmake" \
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-DVCPKG_INSTALL_OPTIONS="--no-print-usage" \
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-DVCPKG_OVERLAY_TRIPLETS="$LADYBIRD_SOURCE_DIR/Meta/CMake/vcpkg/release-triplets" \
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-DVCPKG_ROOT="$LADYBIRD_SOURCE_DIR/Toolchain/Tarballs/vcpkg" \
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-DVCPKG_MANIFEST_DIR="$LADYBIRD_SOURCE_DIR"
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ninja -C "$BUILD_DIR/lagom-tools" install
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@ -7,6 +7,7 @@ plugins {
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var buildDir = layout.buildDirectory.get()
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var cacheDir = System.getenv("SERENITY_CACHE_DIR") ?: "$buildDir/caches"
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var sourceDir = layout.projectDirectory.dir("../../").toString()
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task<Exec>("buildLagomTools") {
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commandLine = listOf("./BuildLagomTools.sh")
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@ -36,7 +37,9 @@ android {
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cppFlags += "-std=c++23"
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arguments += listOf(
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"-DLagomTools_DIR=$buildDir/lagom-tools-install/share/LagomTools",
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"-DSERENITY_CACHE_DIR=$cacheDir"
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"-DSERENITY_CACHE_DIR=$cacheDir",
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"-DVCPKG_ROOT=$sourceDir/Toolchain/Tarballs/vcpkg",
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"-DVCPKG_TARGET_ANDROID=ON"
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)
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}
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}
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96
Ladybird/Android/vcpkg_android.cmake
Normal file
96
Ladybird/Android/vcpkg_android.cmake
Normal file
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@ -0,0 +1,96 @@
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# This file is based on the vcpkg Android example from here https://github.com/microsoft/vcpkg-docs/blob/06b496c3f24dbe651fb593a26bee50537eeaf4e5/vcpkg/examples/vcpkg_android_example_cmake_script/cmake/vcpkg_android.cmake
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# It was modified to use CMake variables instead of environment variables, because it's not possible to set environment variables in the Android Gradle plugin.
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#
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# vcpkg_android.cmake
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#
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# Helper script when using vcpkg with cmake. It should be triggered via the variable VCPKG_TARGET_ANDROID
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#
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# For example:
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# if (VCPKG_TARGET_ANDROID)
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# include("cmake/vcpkg_android.cmake")
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# endif()
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#
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# This script will:
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# 1 & 2. check the presence of needed env variables: ANDROID_NDK and VCPKG_ROOT
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# 3. set VCPKG_TARGET_TRIPLET according to ANDROID_ABI
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# 4. Combine vcpkg and Android toolchains by setting CMAKE_TOOLCHAIN_FILE
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# and VCPKG_CHAINLOAD_TOOLCHAIN_FILE
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# Note: VCPKG_TARGET_ANDROID is not an official vcpkg variable.
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# it is introduced for the need of this script
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if (VCPKG_TARGET_ANDROID)
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#
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# 1. Check the presence of variable ANDROID_NDK
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#
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if (NOT DEFINED ANDROID_NDK)
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message(FATAL_ERROR "Please set CMake variable ANDROID_NDK")
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endif()
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#
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# 2. Check the presence of environment variable VCPKG_ROOT
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#
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if (NOT DEFINED VCPKG_ROOT)
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message(FATAL_ERROR "Please set a CMake variable VCPKG_ROOT")
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endif()
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#
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# 3. Set VCPKG_TARGET_TRIPLET according to ANDROID_ABI
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#
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# There are four different Android ABI, each of which maps to
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# a vcpkg triplet. The following table outlines the mapping from vcpkg architectures to android architectures
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#
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# |VCPKG_TARGET_TRIPLET | ANDROID_ABI |
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# |---------------------------|----------------------|
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# |arm64-android | arm64-v8a |
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# |arm-android | armeabi-v7a |
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# |x64-android | x86_64 |
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# |x86-android | x86 |
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#
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# The variable must be stored in the cache in order to successfully the two toolchains.
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#
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if (ANDROID_ABI MATCHES "arm64-v8a")
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set(VCPKG_TARGET_TRIPLET "arm64-android" CACHE STRING "" FORCE)
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elseif(ANDROID_ABI MATCHES "armeabi-v7a")
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set(VCPKG_TARGET_TRIPLET "arm-android" CACHE STRING "" FORCE)
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elseif(ANDROID_ABI MATCHES "x86_64")
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set(VCPKG_TARGET_TRIPLET "x64-android" CACHE STRING "" FORCE)
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elseif(ANDROID_ABI MATCHES "x86")
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set(VCPKG_TARGET_TRIPLET "x86-android" CACHE STRING "" FORCE)
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else()
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message(FATAL_ERROR "
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Please specify ANDROID_ABI
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For example
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cmake ... -DANDROID_ABI=armeabi-v7a
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Possible ABIs are: arm64-v8a, armeabi-v7a, x64-android, x86-android
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")
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endif()
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message("vcpkg_android.cmake: VCPKG_TARGET_TRIPLET was set to ${VCPKG_TARGET_TRIPLET}")
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#
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# 4. Combine vcpkg and Android toolchains
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#
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# vcpkg and android both provide dedicated toolchains:
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#
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# vcpkg_toolchain_file=$VCPKG_ROOT/scripts/buildsystems/vcpkg.cmake
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# android_toolchain_file=$ANDROID_NDK/build/cmake/android.toolchain.cmake
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#
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# When using vcpkg, the vcpkg toolchain shall be specified first.
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# However, vcpkg provides a way to preload and additional toolchain,
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# with the VCPKG_CHAINLOAD_TOOLCHAIN_FILE option.
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set(VCPKG_CHAINLOAD_TOOLCHAIN_FILE ${ANDROID_NDK}/build/cmake/android.toolchain.cmake)
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set(CMAKE_TOOLCHAIN_FILE ${VCPKG_ROOT}/scripts/buildsystems/vcpkg.cmake)
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message("vcpkg_android.cmake: CMAKE_TOOLCHAIN_FILE was set to ${CMAKE_TOOLCHAIN_FILE}")
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message("vcpkg_android.cmake: VCPKG_CHAINLOAD_TOOLCHAIN_FILE was set to ${VCPKG_CHAINLOAD_TOOLCHAIN_FILE}")
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# vcpkg depends on the environment variables ANDROID_NDK_HOME and VCPKG_ROOT being set.
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# However, we cannot set those through the Android Gradle plugin (we can only set CMake variables).
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# Therefore, we forward our CMake variables to environment variables.
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# FIXME: would be nice if vcpkg's android toolchain did not require this...
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set(ENV{ANDROID_NDK_HOME} ${ANDROID_NDK})
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set(ENV{VCPKG_ROOT} ${VCPKG_ROOT})
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endif(VCPKG_TARGET_ANDROID)
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@ -27,6 +27,10 @@
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"vulkan"
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]
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},
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{
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"name": "skia",
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"platform": "android"
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},
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"sqlite3",
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"woff2"
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],
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