tools/llvm-config/CMakeLists.txt

   1 set(LLVM_LINK_COMPONENTS support)
   2
   3 set(BUILDVARIABLES_SRCPATH ${CMAKE_CURRENT_SOURCE_DIR}/BuildVariables.inc.in)
   4 set(BUILDVARIABLES_OBJPATH ${CMAKE_CURRENT_BINARY_DIR}/BuildVariables.inc)
   5
   6 # Compute the substitution values for various items.
   7 get_property(LLVM_SYSTEM_LIBS_LIST TARGET LLVMSupport PROPERTY LLVM_SYSTEM_LIBS)
   8 foreach(l ${LLVM_SYSTEM_LIBS_LIST})
   9   set(SYSTEM_LIBS ${SYSTEM_LIBS} "-l${l}")
  10 endforeach()
  11 string(REPLACE ";" " " SYSTEM_LIBS "${SYSTEM_LIBS}")
  12
  13 # Use configure_file to create BuildVariables.inc.
  14 set(LLVM_SRC_ROOT ${LLVM_MAIN_SRC_DIR})
  15 set(LLVM_OBJ_ROOT ${LLVM_BINARY_DIR})
  16 set(LLVM_CPPFLAGS "${CMAKE_CPP_FLAGS} ${CMAKE_CPP_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
  17 set(LLVM_CFLAGS "${CMAKE_C_FLAGS} ${CMAKE_C_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
  18 set(LLVM_CXXFLAGS "${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
  19 # Use the C++ link flags, since they should be a superset of C link flags.
  20 set(LLVM_LDFLAGS "${CMAKE_CXX_LINK_FLAGS}")
  21 set(LLVM_BUILDMODE ${CMAKE_BUILD_TYPE})
  22 set(LLVM_SYSTEM_LIBS ${SYSTEM_LIBS})
  23 set(WAS_BUILT_WITH_CMAKE "ON")
  24 string(REPLACE ";" " " LLVM_TARGETS_BUILT "${LLVM_TARGETS_TO_BUILD}")
  25 configure_file(${BUILDVARIABLES_SRCPATH} ${BUILDVARIABLES_OBJPATH} @ONLY)
  26
  27 # Set build-time environment(s).
  28 add_definitions(-DCMAKE_CFG_INTDIR="${CMAKE_CFG_INTDIR}")
  29
  30 # Add the llvm-config tool.
  31 add_llvm_tool(llvm-config
  32   llvm-config.cpp
  33   )
  34
  35 # Add the dependency on the generation step.
  36 add_file_dependencies(${CMAKE_CURRENT_SOURCE_DIR}/llvm-config.cpp ${BUILDVARIABLES_OBJPATH})
  37
  38 if(CMAKE_CROSSCOMPILING)
  39   set(${project}_LLVM_CONFIG_EXE "${LLVM_NATIVE_BUILD}/bin/llvm-config")
  40   set(${project}_LLVM_CONFIG_EXE ${${project}_LLVM_CONFIG_EXE} PARENT_SCOPE)
  41
  42   add_custom_command(OUTPUT "${${project}_LLVM_CONFIG_EXE}"
  43     COMMAND ${CMAKE_COMMAND} --build . --target llvm-config --config $<CONFIGURATION>
  44     DEPENDS ${LLVM_NATIVE_BUILD}/CMakeCache.txt
  45     WORKING_DIRECTORY ${LLVM_NATIVE_BUILD}
  46     COMMENT "Building native llvm-config...")
  47   add_custom_target(${project}NativeLLVMConfig DEPENDS ${${project}_LLVM_CONFIG_EXE})
  48   add_dependencies(${project}NativeLLVMConfig CONFIGURE_LLVM_NATIVE)
  49
  50   add_dependencies(llvm-config ${project}NativeLLVMConfig)
  51 endif(CMAKE_CROSSCOMPILING)