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set(LLVM_LINK_COMPONENTS support)
set(BUILDVARIABLES_SRCPATH ${CMAKE_CURRENT_SOURCE_DIR}/BuildVariables.inc.in)
set(BUILDVARIABLES_OBJPATH ${CMAKE_CURRENT_BINARY_DIR}/BuildVariables.inc)
# Compute the substitution values for various items.
get_property(LLVM_SYSTEM_LIBS_LIST TARGET LLVMSupport PROPERTY LLVM_SYSTEM_LIBS)
foreach(l ${LLVM_SYSTEM_LIBS_LIST})
set(SYSTEM_LIBS ${SYSTEM_LIBS} "-l${l}")
endforeach()
string(REPLACE ";" " " SYSTEM_LIBS "${SYSTEM_LIBS}")
# Use configure_file to create BuildVariables.inc.
set(LLVM_SRC_ROOT ${LLVM_MAIN_SRC_DIR})
set(LLVM_OBJ_ROOT ${LLVM_BINARY_DIR})
set(LLVM_CPPFLAGS "${CMAKE_CPP_FLAGS} ${CMAKE_CPP_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
set(LLVM_CFLAGS "${CMAKE_C_FLAGS} ${CMAKE_C_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
set(LLVM_CXXFLAGS "${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
# Use the C++ link flags, since they should be a superset of C link flags.
set(LLVM_LDFLAGS "${CMAKE_CXX_LINK_FLAGS}")
set(LLVM_BUILDMODE ${CMAKE_BUILD_TYPE})
set(LLVM_SYSTEM_LIBS ${SYSTEM_LIBS})
string(REPLACE ";" " " LLVM_TARGETS_BUILT "${LLVM_TARGETS_TO_BUILD}")
configure_file(${BUILDVARIABLES_SRCPATH} ${BUILDVARIABLES_OBJPATH} @ONLY)
# Set build-time environment(s).
add_definitions(-DCMAKE_CFG_INTDIR="${CMAKE_CFG_INTDIR}")
# Add the llvm-config tool.
add_llvm_tool(llvm-config
llvm-config.cpp
)
# Add the dependency on the generation step.
add_file_dependencies(${CMAKE_CURRENT_SOURCE_DIR}/llvm-config.cpp ${BUILDVARIABLES_OBJPATH})
if(CMAKE_CROSSCOMPILING)
set(${project}_LLVM_CONFIG_EXE "${LLVM_NATIVE_BUILD}/bin/llvm-config")
set(${project}_LLVM_CONFIG_EXE ${${project}_LLVM_CONFIG_EXE} PARENT_SCOPE)
add_custom_command(OUTPUT "${${project}_LLVM_CONFIG_EXE}"
COMMAND ${CMAKE_COMMAND} --build . --target llvm-config --config $<CONFIGURATION>
DEPENDS ${LLVM_NATIVE_BUILD}/CMakeCache.txt
WORKING_DIRECTORY ${LLVM_NATIVE_BUILD}
COMMENT "Building native llvm-config...")
add_custom_target(${project}NativeLLVMConfig DEPENDS ${${project}_LLVM_CONFIG_EXE})
add_dependencies(${project}NativeLLVMConfig CONFIGURE_LLVM_NATIVE)
add_dependencies(llvm-config ${project}NativeLLVMConfig)
endif(CMAKE_CROSSCOMPILING)
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