120 lines
4.5 KiB
CMake
120 lines
4.5 KiB
CMake
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# This function downloads Qt using aqt.
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# Params:
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# target: Qt dependency to install. Specify a version number to download Qt, or "tools_(name)" for a specific build tool.
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# prefix_var: Name of a variable which will be set with the path to the extracted contents.
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function(download_qt target)
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# Determine installation parameters for OS, architecture, and compiler
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if (WIN32)
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set(host "windows")
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set(type "desktop")
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if (MINGW)
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set(arch "win64_mingw")
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set(arch_path "mingw_64")
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elseif (MSVC)
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if ("arm64" IN_LIST ARCHITECTURE)
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set(arch_path "msvc2019_arm64")
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elseif ("x86_64" IN_LIST ARCHITECTURE)
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set(arch_path "msvc2019_64")
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else()
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message(FATAL_ERROR "Unsupported bundled Qt architecture. Enable USE_SYSTEM_QT and provide your own.")
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endif()
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set(arch "win64_${arch_path}")
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else()
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message(FATAL_ERROR "Unsupported bundled Qt toolchain. Enable USE_SYSTEM_QT and provide your own.")
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endif()
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elseif (APPLE)
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set(host "mac")
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if (IOS)
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set(type "ios")
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set(arch "ios")
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set(arch_path "ios")
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set(host_arch_path "macos")
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else()
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set(type "desktop")
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set(arch "clang_64")
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set(arch_path "macos")
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endif()
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else()
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set(host "linux")
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set(type "desktop")
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set(arch "gcc_64")
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set(arch_path "linux")
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endif()
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get_external_prefix(qt base_path)
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file(MAKE_DIRECTORY "${base_path}")
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if (target MATCHES "tools_.*")
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set(prefix "${base_path}")
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set(install_args install-tool --outputdir ${base_path} ${host} desktop ${target})
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else()
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set(prefix "${base_path}/${target}/${arch_path}")
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if (host_arch_path)
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set(host_flag "--autodesktop")
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set(host_prefix "${base_path}/${target}/${host_arch_path}")
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endif()
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set(install_args install-qt --outputdir ${base_path} ${host} ${type} ${target} ${arch} ${host_flag} -m qtmultimedia)
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endif()
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if (NOT EXISTS "${prefix}")
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message(STATUS "Downloading binaries for Qt...")
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if (WIN32)
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set(aqt_path "${base_path}/aqt.exe")
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file(DOWNLOAD
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https://github.com/miurahr/aqtinstall/releases/download/v3.1.4/aqt.exe
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${aqt_path} SHOW_PROGRESS)
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execute_process(COMMAND ${aqt_path} ${install_args}
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WORKING_DIRECTORY ${base_path})
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else()
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# aqt does not offer binary releases for other platforms, so download and run from pip.
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set(aqt_install_path "${base_path}/aqt")
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file(MAKE_DIRECTORY "${aqt_install_path}")
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execute_process(COMMAND python3 -m pip install --target=${aqt_install_path} aqtinstall
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WORKING_DIRECTORY ${base_path})
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execute_process(COMMAND ${CMAKE_COMMAND} -E env PYTHONPATH=${aqt_install_path} python3 -m aqt ${install_args}
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WORKING_DIRECTORY ${base_path})
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endif()
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endif()
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message(STATUS "Using downloaded Qt binaries at ${prefix}")
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# Add the Qt prefix path so CMake can locate it.
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list(APPEND CMAKE_PREFIX_PATH "${prefix}")
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set(CMAKE_PREFIX_PATH ${CMAKE_PREFIX_PATH} PARENT_SCOPE)
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if (DEFINED host_prefix)
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message(STATUS "Using downloaded host Qt binaries at ${host_prefix}")
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set(QT_HOST_PATH "${host_prefix}" CACHE STRING "")
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endif()
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endfunction()
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function(download_moltenvk)
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if (IOS)
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set(MOLTENVK_PLATFORM "iOS")
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else()
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set(MOLTENVK_PLATFORM "macOS")
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endif()
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set(MOLTENVK_DIR "${CMAKE_BINARY_DIR}/externals/MoltenVK")
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set(MOLTENVK_TAR "${CMAKE_BINARY_DIR}/externals/MoltenVK.tar")
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if (NOT EXISTS ${MOLTENVK_DIR})
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if (NOT EXISTS ${MOLTENVK_TAR})
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file(DOWNLOAD https://github.com/KhronosGroup/MoltenVK/releases/latest/download/MoltenVK-all.tar
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${MOLTENVK_TAR} SHOW_PROGRESS)
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endif()
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execute_process(COMMAND ${CMAKE_COMMAND} -E tar xf "${MOLTENVK_TAR}"
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WORKING_DIRECTORY "${CMAKE_BINARY_DIR}/externals")
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endif()
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# Add the MoltenVK library path to the prefix so find_library can locate it.
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list(APPEND CMAKE_PREFIX_PATH "${MOLTENVK_DIR}/MoltenVK/dylib/${MOLTENVK_PLATFORM}")
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set(CMAKE_PREFIX_PATH ${CMAKE_PREFIX_PATH} PARENT_SCOPE)
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endfunction()
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function(get_external_prefix lib_name prefix_var)
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set(${prefix_var} "${CMAKE_BINARY_DIR}/externals/${lib_name}" PARENT_SCOPE)
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endfunction()
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