119 lines
4.3 KiB
CMake
119 lines
4.3 KiB
CMake
include(FetchContent)
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set(_DEFAULT_VCPKG_ROOT "${CMAKE_SOURCE_DIR}/vcpkg")
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set(VCPKG_ROOT "${_DEFAULT_VCPKG_ROOT}" CACHE STRING "The path to the vcpkg repository")
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if (VCPKG_ROOT STREQUAL "${_DEFAULT_VCPKG_ROOT}")
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if (APPLE) # this doesn't work on non-macOS
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file(LOCK "${_DEFAULT_VCPKG_ROOT}" DIRECTORY GUARD FILE)
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endif()
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FetchContent_Declare(vcpkg
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GIT_REPOSITORY "https://github.com/Microsoft/vcpkg.git"
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GIT_TAG 2024.08.23
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SOURCE_DIR "${CMAKE_SOURCE_DIR}/vcpkg")
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FetchContent_MakeAvailable(vcpkg)
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endif()
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set(VCPKG_OVERLAY_TRIPLETS "${CMAKE_SOURCE_DIR}/cmake/overlay-triplets")
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option(USE_RECOMMENDED_TRIPLETS "Use the recommended triplets that are used for official builds" ON)
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# Duplicated here because it needs to be set before project()
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if (NOT WIN32)
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option(USE_QT6 "Build using Qt 6 instead of 5" ON)
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else()
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option(USE_QT6 "Build using Qt 6 instead of 5" OFF)
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endif()
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# Since the Linux build pulls in glib anyway, we can just use upstream libslirp
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if (UNIX AND NOT APPLE)
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option(USE_SYSTEM_LIBSLIRP "Use system libslirp instead of the bundled version" ON)
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endif()
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if (NOT USE_QT6)
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list(APPEND VCPKG_MANIFEST_FEATURES qt5)
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set(VCPKG_MANIFEST_NO_DEFAULT_FEATURES ON)
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endif()
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if (CMAKE_OSX_ARCHITECTURES MATCHES ";")
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message(FATAL_ERROR "macOS universal builds are not supported. Build them individually and combine afterwards instead.")
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endif()
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if (USE_RECOMMENDED_TRIPLETS)
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execute_process(
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COMMAND uname -m
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OUTPUT_VARIABLE _HOST_PROCESSOR
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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set(_CAN_TARGET_AS_HOST OFF)
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if (APPLE)
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if (NOT CMAKE_OSX_ARCHITECTURES)
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if (_HOST_PROCESSOR STREQUAL arm64)
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set(CMAKE_OSX_ARCHITECTURES arm64)
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else()
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set(CMAKE_OSX_ARCHITECTURES x86_64)
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endif()
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endif()
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if (CMAKE_OSX_ARCHITECTURES STREQUAL arm64)
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set(_WANTED_TRIPLET arm64-osx-11-release)
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set(CMAKE_OSX_DEPLOYMENT_TARGET 11.0)
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else()
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set(_WANTED_TRIPLET x64-osx-1015-release)
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set(CMAKE_OSX_DEPLOYMENT_TARGET 10.15)
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endif()
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elseif(WIN32)
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# TODO Windows arm64 if possible
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set(_CAN_TARGET_AS_HOST ON)
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set(_WANTED_TRIPLET x64-mingw-static-release)
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elseif(CMAKE_HOST_SYSTEM_NAME STREQUAL Linux)
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# Can't really detect cross compiling here.
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set(_CAN_TARGET_AS_HOST ON)
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if (_HOST_PROCESSOR STREQUAL x86_64)
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set(_WANTED_TRIPLET x64-linux-release)
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elseif(_HOST_PROCESSOR STREQUAL "aarch64")
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set(_WANTED_TRIPLET arm64-linux-release)
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endif()
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endif()
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# Don't override it if the user set something else
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if (NOT VCPKG_TARGET_TRIPLET)
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set(VCPKG_TARGET_TRIPLET "${_WANTED_TRIPLET}")
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else()
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set(_WANTED_TRIPLET "${VCPKG_TARGET_TRIPLET}")
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endif()
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if (APPLE)
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if (_HOST_PROCESSOR MATCHES arm64)
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if (_WANTED_TRIPLET MATCHES "^arm64-osx-")
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set(_CAN_TARGET_AS_HOST ON)
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elseif (_WANTED_TRIPLET STREQUAL "x64-osx-1015-release")
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# Use the default triplet for when building for arm64
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# because we're probably making a universal build
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set(VCPKG_HOST_TRIPLET arm64-osx-11-release)
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endif()
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else()
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if (_WANTED_TRIPLET MATCHES "^x64-osx-")
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set(_CAN_TARGET_AS_HOST ON)
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elseif (_WANTED_TRIPLET STREQUAL "arm64-osx-11-release")
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set(VCPKG_HOST_TRIPLET x64-osx-1015-release)
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endif()
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endif()
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endif()
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# If host and target triplet differ, vcpkg seems to always assume that the host can't run the target's binaries.
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# In cases like cross compiling from ARM -> Intel macOS, or target being an older version of the host OS, we *can* do that so the packages built targeting the host are redundant.
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if (_CAN_TARGET_AS_HOST AND NOT VCPKG_HOST_TRIPLET)
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option(VCPKG_TARGET_AS_HOST "Use the target as host triplet to speed up builds" ON)
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else()
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option(VCPKG_TARGET_AS_HOST "Use the target as host triplet to speed up builds" OFF)
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endif()
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if (VCPKG_TARGET_AS_HOST)
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set(VCPKG_HOST_TRIPLET "${VCPKG_TARGET_TRIPLET}" CACHE STRING "Host triplet to use for vcpkg")
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endif()
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endif()
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set(CMAKE_TOOLCHAIN_FILE "${VCPKG_ROOT}/scripts/buildsystems/vcpkg.cmake")
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