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https://github.com/c64scene-ar/llvm-6502.git
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043cc54d6c
The LLVMSupport library implementation consolidates all dependencies on system libraries. Move the logic gathering system libraries out of 'cmake/modules/LLVM-Config.cmake' and into 'lib/Support/CMakeLists.txt'. Use the target_link_libraries() command there to tell CMake about the link dependencies of the LLVMSupport implementation. CMake will automatically propagate this to all targets that link LLVMSupport directly or indirectly. We still need to build knowledge of system library dependencies into 'llvm-config'. Store the list of libraries needed in a property on LLVMSupport and teach 'tools/llvm-config/CMakeLists.txt' to retrieve it from there. Drop all calls to 'link_system_libs' and 'get_system_libs' from our CMake code. Replace their implementations with a warning that explains the calls are no longer necessary. Also drop from 'LLVMConfig.cmake' the HAVE_* and related variables that were published there only to allow 'get_system_libs' to run outside our build process. Contributed by Brad King. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201969 91177308-0d34-0410-b5e6-96231b3b80d8
35 lines
1.5 KiB
CMake
35 lines
1.5 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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# 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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set(SYSTEM_LIBS ${SYSTEM_LIBS} "-l${l}")
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endforeach()
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string(REPLACE ";" " " SYSTEM_LIBS "${SYSTEM_LIBS}")
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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}} ${LLVM_DEFINITIONS}")
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set(LLVM_LDFLAGS ${CMAKE_SHARED_LINKER_FLAGS})
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set(LLVM_BUILDMODE ${CMAKE_BUILD_TYPE})
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set(LLVM_SYSTEM_LIBS ${SYSTEM_LIBS})
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string(REPLACE ";" " " LLVM_TARGETS_BUILT "${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 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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# 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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