87 lines
3.7 KiB
CMake
87 lines
3.7 KiB
CMake
# Copied and adapted from:
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# https://github.com/microsoft/vcpkg/blob/7adc2e4d49e8d0efc07a369079faa6bc3dbb90f3/scripts/toolchains/linux.cmake
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#
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# The original seems to be written only for GCC. This version is changed to use clang and
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# LLVM bin tools.
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if(NOT _VCPKG_LINUX_CLANG_TOOLCHAIN)
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set(_VCPKG_LINUX_CLANG_TOOLCHAIN 1)
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if(POLICY CMP0056)
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cmake_policy(SET CMP0056 NEW)
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endif()
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if(POLICY CMP0066)
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cmake_policy(SET CMP0066 NEW)
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endif()
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if(POLICY CMP0067)
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cmake_policy(SET CMP0067 NEW)
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endif()
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if(POLICY CMP0137)
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cmake_policy(SET CMP0137 NEW)
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endif()
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list(APPEND CMAKE_TRY_COMPILE_PLATFORM_VARIABLES
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VCPKG_CRT_LINKAGE VCPKG_TARGET_ARCHITECTURE
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VCPKG_C_FLAGS VCPKG_CXX_FLAGS
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VCPKG_C_FLAGS_DEBUG VCPKG_CXX_FLAGS_DEBUG
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VCPKG_C_FLAGS_RELEASE VCPKG_CXX_FLAGS_RELEASE
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VCPKG_LINKER_FLAGS VCPKG_LINKER_FLAGS_RELEASE VCPKG_LINKER_FLAGS_DEBUG
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)
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set(CMAKE_SYSTEM_NAME Linux CACHE STRING "")
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# Set compiler to clang
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set(CMAKE_C_COMPILER clang)
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set(CMAKE_CXX_COMPILER clang++)
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SET(CMAKE_ASM_COMPILER clang)
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# Pick target architecture for clang
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if(VCPKG_TARGET_ARCHITECTURE STREQUAL "x64")
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set(CMAKE_SYSTEM_PROCESSOR x86_64 CACHE STRING "")
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set(CLANG_TARGET x86_64-unknown-linux-gnu)
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elseif(VCPKG_TARGET_ARCHITECTURE STREQUAL "x86")
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set(CMAKE_SYSTEM_PROCESSOR i686 CACHE STRING "")
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set(CLANG_TARGET i686-unknown-linux-gnu)
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elseif(VCPKG_TARGET_ARCHITECTURE STREQUAL "arm")
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set(CMAKE_SYSTEM_PROCESSOR armv7l CACHE STRING "")
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set(CLANG_TARGET armv7-unknown-linux-gnueabihf)
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elseif(VCPKG_TARGET_ARCHITECTURE STREQUAL "arm64")
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set(CMAKE_SYSTEM_PROCESSOR aarch64 CACHE STRING "")
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set(CLANG_TARGET aarch64-unknown-linux-gnu)
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endif()
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if(DEFINED CLANG_TARGET)
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set(CMAKE_C_COMPILER_TARGET ${CLANG_TARGET})
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set(CMAKE_CXX_COMPILER_TARGET ${CLANG_TARGET})
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set(CMAKE_ASM_COMPILER_TARGET ${CLANG_TARGET})
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endif()
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if(CMAKE_HOST_SYSTEM_NAME STREQUAL "Linux" AND CMAKE_SYSTEM_PROCESSOR STREQUAL CMAKE_HOST_SYSTEM_PROCESSOR)
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set(CMAKE_CROSSCOMPILING OFF CACHE BOOL "")
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endif()
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string(APPEND CMAKE_C_FLAGS_INIT " -fPIC ${VCPKG_C_FLAGS} ")
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string(APPEND CMAKE_CXX_FLAGS_INIT " -fPIC ${VCPKG_CXX_FLAGS} ")
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string(APPEND CMAKE_C_FLAGS_DEBUG_INIT " ${VCPKG_C_FLAGS_DEBUG} ")
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string(APPEND CMAKE_CXX_FLAGS_DEBUG_INIT " ${VCPKG_CXX_FLAGS_DEBUG} ")
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string(APPEND CMAKE_C_FLAGS_RELEASE_INIT " ${VCPKG_C_FLAGS_RELEASE} ")
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string(APPEND CMAKE_CXX_FLAGS_RELEASE_INIT " ${VCPKG_CXX_FLAGS_RELEASE} ")
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# Use LLVM's lld linker
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set(CMAKE_LINKER_TYPE LLD)
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string(APPEND CMAKE_MODULE_LINKER_FLAGS_INIT " ${VCPKG_LINKER_FLAGS} ")
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string(APPEND CMAKE_SHARED_LINKER_FLAGS_INIT " ${VCPKG_LINKER_FLAGS} ")
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string(APPEND CMAKE_EXE_LINKER_FLAGS_INIT " ${VCPKG_LINKER_FLAGS} ")
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if(VCPKG_CRT_LINKAGE STREQUAL "static")
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string(APPEND CMAKE_MODULE_LINKER_FLAGS_INIT "-static ")
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string(APPEND CMAKE_SHARED_LINKER_FLAGS_INIT "-static ")
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string(APPEND CMAKE_EXE_LINKER_FLAGS_INIT "-static ")
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endif()
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string(APPEND CMAKE_MODULE_LINKER_FLAGS_DEBUG_INIT " ${VCPKG_LINKER_FLAGS_DEBUG} ")
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string(APPEND CMAKE_SHARED_LINKER_FLAGS_DEBUG_INIT " ${VCPKG_LINKER_FLAGS_DEBUG} ")
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string(APPEND CMAKE_EXE_LINKER_FLAGS_DEBUG_INIT " ${VCPKG_LINKER_FLAGS_DEBUG} ")
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string(APPEND CMAKE_MODULE_LINKER_FLAGS_RELEASE_INIT " ${VCPKG_LINKER_FLAGS_RELEASE} ")
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string(APPEND CMAKE_SHARED_LINKER_FLAGS_RELEASE_INIT " ${VCPKG_LINKER_FLAGS_RELEASE} ")
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string(APPEND CMAKE_EXE_LINKER_FLAGS_RELEASE_INIT " ${VCPKG_LINKER_FLAGS_RELEASE} ")
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string(APPEND CMAKE_ASM_FLAGS_INIT " ${VCPKG_C_FLAGS} ")
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endif()
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