EnderTheCoder
d0ae4c76ba
- Cross toolchains: llvm-mingw-aarch64 (Windows ARM64; SDL3 staged from MSYS2's clangarm64 repo since SDL ships no MinGW ARM64 dev package) and clang-aarch64-linux-gnu (Linux ARM64; arm64 libc++/SDL3 via dpkg multiarch). - Distro images: Dockerfile.linux-arm64, Dockerfile.win-arm64, Dockerfile.debian and Dockerfile.debian-arm64 (Debian 13 with upstream CMake, whose 3.31 gate cannot enable import std). - Packaging via CPack: .deb for Ubuntu 26.04 and Debian 13 on amd64 and arm64 (dependencies derived by dpkg-shlibdeps), portable .zip/.tar.gz, and a Windows .msi built with wixl (msitools) straight from the Linux cross image. wixl 0.106 lacks arm64, so Windows/ARM64 ships the portable zip only. - CMake: parameterize the SDL3 MinGW triple, add install() + CPack config. - CI: build/package jobs for both arm64 targets and both Debian packages; existing Linux/Windows jobs now also emit the .deb / .zip + .msi. - scripts/: build-linux-arm64, build-windows-arm64, build-debian, build-debian-arm64.
51 lines
2.7 KiB
CMake
51 lines
2.7 KiB
CMake
# Cross-compile for Windows on ARM64 (aarch64-w64-mingw32) with llvm-mingw:
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# clang + libc++ + the libc++ `std` module, targeting the MSVCRT MinGW runtime.
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# The same llvm-mingw release is multi-target, so only the target triple, the
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# SDL3 SDK and the sysroot paths differ from the x86_64 toolchain.
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# The `import std` gate must be set before the compiler is probed; a toolchain
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# file is processed earlier than the project's own top-level settings.
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set(CMAKE_EXPERIMENTAL_CXX_IMPORT_STD "d0edc3af-4c50-42ea-a356-e2862fe7a444")
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set(CMAKE_SYSTEM_NAME Windows)
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set(CMAKE_SYSTEM_PROCESSOR aarch64)
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set(OPENRA3_LLVM_MINGW_ROOT "/opt/llvm-mingw" CACHE PATH "llvm-mingw installation root")
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if(NOT EXISTS "${OPENRA3_LLVM_MINGW_ROOT}/bin/clang++")
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message(FATAL_ERROR "llvm-mingw not found at ${OPENRA3_LLVM_MINGW_ROOT} (expected bin/clang++)")
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endif()
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# llvm-mingw's per-target prefix/sysroot for the ARM64 target.
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set(OPENRA3_MINGW_TRIPLE "aarch64-w64-mingw32")
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set(CMAKE_C_COMPILER "${OPENRA3_LLVM_MINGW_ROOT}/bin/clang")
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set(CMAKE_CXX_COMPILER "${OPENRA3_LLVM_MINGW_ROOT}/bin/clang++")
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set(CMAKE_C_COMPILER_TARGET ${OPENRA3_MINGW_TRIPLE})
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set(CMAKE_CXX_COMPILER_TARGET ${OPENRA3_MINGW_TRIPLE})
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# CMake's standard-library detection does not pass COMPILER_TARGET, so without
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# this it probes the host standard library. Putting the target in ARG1 makes
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# the probe see libc++ (the MinGW target's library).
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set(CMAKE_C_COMPILER_ARG1 "--target=${OPENRA3_MINGW_TRIPLE}")
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set(CMAKE_CXX_COMPILER_ARG1 "--target=${OPENRA3_MINGW_TRIPLE}")
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# libc++ standard-library module description for the MinGW target. Must be set
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# before the compiler is probed so CMake can build `import std;`.
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set(CMAKE_CXX_STDLIB_MODULES_JSON "${OPENRA3_LLVM_MINGW_ROOT}/${OPENRA3_MINGW_TRIPLE}/lib/libc++.modules.json")
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# Select libc++ explicitly so CMake's `import std` detection recognises the
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# standard library (llvm-mingw defaults to it, but CMake keys off -stdlib=).
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set(CMAKE_CXX_FLAGS_INIT "-stdlib=libc++")
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set(CMAKE_EXE_LINKER_FLAGS_INIT "-stdlib=libc++")
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set(CMAKE_SHARED_LINKER_FLAGS_INIT "-stdlib=libc++")
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# SDL3 for aarch64-w64-mingw32. The official SDL release ships no MinGW ARM64
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# dev package, so the image stages one from MSYS2's clangarm64 repo under this
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# root in the same `<triple>/{include,lib,bin}` layout.
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set(OPENRA3_SDL3_ROOT "/opt/sdl3-aarch64" CACHE PATH "SDL3 aarch64 MinGW development package root")
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set(OPENRA3_SDL3_MINGW_TRIPLE "${OPENRA3_MINGW_TRIPLE}" CACHE STRING "SDL3 MinGW triple subdirectory")
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set(CMAKE_FIND_ROOT_PATH "${OPENRA3_LLVM_MINGW_ROOT}/${OPENRA3_MINGW_TRIPLE}")
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set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
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set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
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