74 lines
3.0 KiB
CMake
74 lines
3.0 KiB
CMake
set(LLVM_LINK_COMPONENTS support)
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set(BUILDVARIABLES_SRCPATH ${CMAKE_CURRENT_SOURCE_DIR}/BuildVariables.inc.in)
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set(BUILDVARIABLES_OBJPATH ${CMAKE_CURRENT_BINARY_DIR}/BuildVariables.inc)
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# Add the llvm-config tool.
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add_llvm_tool(llvm-config
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llvm-config.cpp
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)
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# Compute the substitution values for various items.
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get_property(LLVM_SYSTEM_LIBS_LIST TARGET LLVMSupport PROPERTY LLVM_SYSTEM_LIBS)
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foreach(l ${LLVM_SYSTEM_LIBS_LIST})
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if(MSVC)
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set(SYSTEM_LIBS ${SYSTEM_LIBS} "${l}.lib")
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else()
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if (l MATCHES "^-")
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# If it's an option, pass it without changes.
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set(SYSTEM_LIBS ${SYSTEM_LIBS} "${l}")
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else()
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# Otherwise assume it's a library name we need to link with.
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set(SYSTEM_LIBS ${SYSTEM_LIBS} "-l${l}")
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endif()
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endif()
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endforeach()
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string(REPLACE ";" " " SYSTEM_LIBS "${SYSTEM_LIBS}")
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# Fetch target specific compile options, e.g. RTTI option
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get_property(COMPILE_FLAGS TARGET llvm-config PROPERTY COMPILE_FLAGS)
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# Use configure_file to create BuildVariables.inc.
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set(LLVM_SRC_ROOT ${LLVM_MAIN_SRC_DIR})
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set(LLVM_OBJ_ROOT ${LLVM_BINARY_DIR})
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set(LLVM_CPPFLAGS "${CMAKE_CPP_FLAGS} ${CMAKE_CPP_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
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set(LLVM_CFLAGS "${CMAKE_C_FLAGS} ${CMAKE_C_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
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set(LLVM_CXXFLAGS "${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${COMPILE_FLAGS} ${LLVM_DEFINITIONS}")
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set(LLVM_BUILD_SYSTEM cmake)
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set(LLVM_HAS_RTTI ${LLVM_CONFIG_HAS_RTTI})
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set(LLVM_DYLIB_VERSION "${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}${LLVM_VERSION_SUFFIX}")
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set(LLVM_HAS_GLOBAL_ISEL "${LLVM_BUILD_GLOBAL_ISEL}")
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# Use the C++ link flags, since they should be a superset of C link flags.
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set(LLVM_LDFLAGS "${CMAKE_CXX_LINK_FLAGS}")
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set(LLVM_BUILDMODE ${CMAKE_BUILD_TYPE})
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set(LLVM_SYSTEM_LIBS ${SYSTEM_LIBS})
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if(BUILD_SHARED_LIBS)
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set(LLVM_ENABLE_SHARED ON)
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else()
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set(LLVM_ENABLE_SHARED OFF)
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endif()
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string(REPLACE ";" " " LLVM_TARGETS_BUILT "${LLVM_TARGETS_TO_BUILD}")
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configure_file(${BUILDVARIABLES_SRCPATH} ${BUILDVARIABLES_OBJPATH} @ONLY)
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# Set build-time environment(s).
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add_definitions(-DCMAKE_CFG_INTDIR="${CMAKE_CFG_INTDIR}")
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# Add the dependency on the generation step.
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add_file_dependencies(${CMAKE_CURRENT_SOURCE_DIR}/llvm-config.cpp ${BUILDVARIABLES_OBJPATH})
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if(CMAKE_CROSSCOMPILING)
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set(${project}_LLVM_CONFIG_EXE "${LLVM_NATIVE_BUILD}/bin/llvm-config")
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set(${project}_LLVM_CONFIG_EXE ${${project}_LLVM_CONFIG_EXE} PARENT_SCOPE)
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add_custom_command(OUTPUT "${${project}_LLVM_CONFIG_EXE}"
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COMMAND ${CMAKE_COMMAND} --build . --target llvm-config --config $<CONFIGURATION>
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DEPENDS ${LLVM_NATIVE_BUILD}/CMakeCache.txt
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WORKING_DIRECTORY ${LLVM_NATIVE_BUILD}
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COMMENT "Building native llvm-config...")
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add_custom_target(${project}NativeLLVMConfig DEPENDS ${${project}_LLVM_CONFIG_EXE})
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add_dependencies(${project}NativeLLVMConfig CONFIGURE_LLVM_NATIVE)
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add_dependencies(llvm-config ${project}NativeLLVMConfig)
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endif(CMAKE_CROSSCOMPILING)
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