mirror of
https://github.com/lifting-bits/mcsema
synced 2026-06-08 15:31:09 +00:00
Peter Goodman
60 lines
2.0 KiB
CMake
60 lines
2.0 KiB
CMake
cmake_minimum_required(VERSION 3.2)
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function(FindAndSelectClangCompiler)
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if(DEFINED ENV{LLVM_INSTALL_PREFIX})
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set(LLVM_INSTALL_PREFIX $ENV{LLVM_INSTALL_PREFIX} PARENT_SCOPE)
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endif()
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if(DEFINED LLVM_INSTALL_PREFIX)
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list(APPEND FINDPACKAGE_LLVM_HINTS "${LLVM_INSTALL_PREFIX}/lib/cmake/llvm/")
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list(APPEND FINDPACKAGE_LLVM_HINTS "${LLVM_INSTALL_PREFIX}/share/llvm/cmake/")
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set(FINDPACKAGE_LLVM_HINTS ${FINDPACKAGE_LLVM_HINTS} PARENT_SCOPE)
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message(STATUS "Using LLVM_INSTALL_PREFIX hints for find_package(LLVM): ${FINDPACKAGE_LLVM_HINTS}")
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endif()
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if(DEFINED WIN32)
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set(executable_extension ".exe")
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else()
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set(executable_extension "")
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endif()
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# it is important to avoid re-defining these variables if they have been already
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# set or you risk ending up in a configure loop!
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if(NOT DEFINED CMAKE_C_COMPILER)
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if(DEFINED LLVM_INSTALL_PREFIX)
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set(CMAKE_C_COMPILER "${LLVM_INSTALL_PREFIX}/bin/clang${executable_extension}"
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CACHE PATH "Path to clang binary." FORCE)
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else()
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set(CMAKE_C_COMPILER "clang" PARENT_SCOPE)
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endif()
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endif()
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if(NOT DEFINED CMAKE_CXX_COMPILER)
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if(DEFINED LLVM_INSTALL_PREFIX)
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set(CMAKE_CXX_COMPILER "${LLVM_INSTALL_PREFIX}/bin/clang++${executable_extension}"
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CACHE PATH "Path to clang++ binary." FORCE)
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else()
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set(CMAKE_CXX_COMPILER "clang++${executable_extension}" PARENT_SCOPE)
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endif()
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endif()
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if(NOT DEFINED CMAKE_ASM_COMPILER)
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if(DEFINED LLVM_INSTALL_PREFIX)
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set(CMAKE_ASM_COMPILER "${LLVM_INSTALL_PREFIX}/bin/clang++${executable_extension}"
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CACHE PATH "Path to assembler (aka clang) binary." FORCE)
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else()
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set(CMAKE_ASM_COMPILER ${CMAKE_CXX_COMPILER} PARENT_SCOPE)
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endif()
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endif()
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if(NOT DEFINED CMAKE_LLVM_LINK)
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if(DEFINED LLVM_INSTALL_PREFIX)
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set(CMAKE_LLVM_LINK "${LLVM_INSTALL_PREFIX}/bin/llvm-link${executable_extension}"
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CACHE PATH "Path to llvm-link binary." FORCE)
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else()
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set(CMAKE_LLVM_LINK "llvm-link${executable_extension}" PARENT_SCOPE)
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endif()
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endif()
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endfunction()
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