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36 lines
1.2 KiB
CMake
36 lines
1.2 KiB
CMake
# This is a reference AArch64 cross compile script
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# Pass in to cmake when building:
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# eg: cmake --toolchain ../Data/CMake/toolchain_aarch64.cmake ..
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if (NOT DEFINED ENV{SYSROOT})
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message(FATAL_ERROR "Need to have SYSROOT environment variable set")
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endif()
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set(CMAKE_SYSTEM_NAME Linux)
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set(CMAKE_SYSTEM_PROCESSOR aarch64)
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set(CMAKE_CROSSCOMPILING TRUE)
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# Target triple needs to match the binutils exactly
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set(TARGET_TRIPLE aarch64-linux-gnu)
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set(CMAKE_C_COMPILER "clang")
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set(CMAKE_CXX_COMPILER "clang++")
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set(CMAKE_C_COMPILER_AR "llvm-ar")
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set(CMAKE_CXX_COMPILER_AR "llvm-ar")
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set(CMAKE_C_COMPILER_RANLIB "llvm-ranlib")
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set(CMAKE_CXX_COMPILER_RANLIB "llvm-ranlib")
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set(CMAKE_LINKER "ld.lld")
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set(CMAKE_C_COMPILER_TARGET ${TARGET_TRIPLE})
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set(CMAKE_CXX_COMPILER_TARGET ${TARGET_TRIPLE})
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# Set the environment variable SYSROOT to the aarch64 rootfs
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set(CMAKE_FIND_ROOT_PATH "$ENV{SYSROOT}")
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set(CMAKE_SYSROOT "$ENV{SYSROOT}")
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list(APPEND CMAKE_PREFIX_PATH "$ENV{SYSROOT}/usr/lib/${TARGET_TRIPLE}/cmake/")
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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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set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
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