cmake_minimum_required(VERSION 3.13.4) project(RTSA-lab01-CacheAnalysis) #=============================================================================== # 1. VERIFY LLVM INSTALLATION DIR # This is just a bit of a sanity checking. #=============================================================================== set(LT_LLVM_INSTALL_DIR "" CACHE PATH "LLVM installation directory") # 1.1 Check the "include| directory set(LT_LLVM_INCLUDE_DIR "${LT_LLVM_INSTALL_DIR}/include/llvm") if(NOT EXISTS "${LT_LLVM_INCLUDE_DIR}") message(FATAL_ERROR " LT_LLVM_INSTALL_DIR (${LT_LLVM_INCLUDE_DIR}) is invalid.") endif() # 1.2 Check that the LLVMConfig.cmake file exists (the location depends on the # OS) set(LT_VALID_INSTALLATION FALSE) # Ubuntu + Darwin if(EXISTS "${LT_LLVM_INSTALL_DIR}/lib/cmake/llvm/LLVMConfig.cmake") set(LT_VALID_INSTALLATION TRUE) endif() # Fedora if(EXISTS "${LT_LLVM_INSTALL_DIR}/lib64/cmake/llvm/LLVMConfig.cmake") set(LT_VALID_INSTALLATION TRUE) endif() if(NOT ${LT_VALID_INSTALLATION}) message(FATAL_ERROR "LLVM installation directory, (${LT_LLVM_INSTALL_DIR}), is invalid. Couldn't find LLVMConfig.cmake.") endif() #=============================================================================== # 2. LOAD LLVM CONFIGURATION # For more: http://llvm.org/docs/CMake.html#embedding-llvm-in-your-project #=============================================================================== # Add the location of LLVMConfig.cmake to CMake search paths (so that # find_package can locate it) # Note: On Fedora, when using the pre-compiled binaries installed with `dnf`, # LLVMConfig.cmake is located in "/usr/lib64/cmake/llvm". But this path is # among other paths that will be checked by default when using # `find_package(llvm)`. So there's no need to add it here. list(APPEND CMAKE_PREFIX_PATH "${LT_LLVM_INSTALL_DIR}/lib/cmake/llvm/") find_package(LLVM 13.0.0 REQUIRED CONFIG) # Another sanity check if(NOT "13" VERSION_EQUAL "${LLVM_VERSION_MAJOR}") message(FATAL_ERROR "Found LLVM ${LLVM_VERSION_MAJOR}, but need LLVM 13") endif() message(STATUS "Found LLVM ${LLVM_PACKAGE_VERSION}") message(STATUS "Using LLVMConfig.cmake in: ${LT_LLVM_INSTALL_DIR}") message("LLVM STATUS: Definitions ${LLVM_DEFINITIONS} Includes ${LLVM_INCLUDE_DIRS} Libraries ${LLVM_LIBRARY_DIRS} Targets ${LLVM_TARGETS_TO_BUILD}" ) # Set the LLVM header and library paths include_directories(SYSTEM ${LLVM_INCLUDE_DIRS}) link_directories(${LLVM_LIBRARY_DIRS}) add_definitions(${LLVM_DEFINITIONS}) #=============================================================================== # 3. LLVM-TUTOR BUILD CONFIGURATION #=============================================================================== # Use the same C++ standard as LLVM does set(CMAKE_CXX_STANDARD 14 CACHE STRING "") # Build type if (NOT CMAKE_BUILD_TYPE) set(CMAKE_BUILD_TYPE Debug CACHE STRING "Build type (default Debug):" FORCE) endif() # Compiler flags set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall\ -fdiagnostics-color=always") # LLVM is normally built without RTTI. Be consistent with that. if(NOT LLVM_ENABLE_RTTI) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-rtti") endif() # -fvisibility-inlines-hidden is set when building LLVM and on Darwin warnings # are triggered if llvm-tutor is built without this flag (though otherwise it # builds fine). For consistency, add it here too. include(CheckCXXCompilerFlag) check_cxx_compiler_flag("-fvisibility-inlines-hidden" SUPPORTS_FVISIBILITY_INLINES_HIDDEN_FLAG) if (${SUPPORTS_FVISIBILITY_INLINES_HIDDEN_FLAG} EQUAL "1") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility-inlines-hidden") endif() # Set the build directories set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/bin") set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/lib") #=============================================================================== # 4. ADD SUB-TARGETS # Doing this at the end so that all definitions and link/include paths are # available for the sub-projects. #=============================================================================== add_subdirectory(CacheAnalysisPass) # Use your pass name here. #add_subdirectory(lib)