cmake/modules/AddPartiallyLinkedObject.cmake

   1 include(LLVMProcessSources)
   2
   3 macro(target_name_of_partially_linked_object lib var)
   4   if( MSVC )
   5     set(${var} ${lib})
   6   else( MSVC )
   7     set(${var} ${lib}_pll)
   8   endif( MSVC )
   9 endmacro(target_name_of_partially_linked_object lib var)
  10
  11
  12 macro(add_partially_linked_object lib)
  13   if( MSVC )
  14     add_llvm_library( ${lib} ${ARGN})
  15   else( MSVC )
  16     set(pll ${CMAKE_ARCHIVE_OUTPUT_DIRECTORY}/${lib}.o)
  17     set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/temp_lib)
  18     set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/temp_lib)
  19     llvm_process_sources( ${ARGN} )
  20     add_library( ${lib} STATIC ${ARGN})
  21     if( LLVM_COMMON_DEPENDS )
  22       add_dependencies( ${lib} ${LLVM_COMMON_DEPENDS} )
  23     endif( LLVM_COMMON_DEPENDS )
  24     add_custom_command(OUTPUT ${pll}
  25       COMMENT "Building ${lib}.o..."
  26       DEPENDS ${lib}
  27       WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/temp_lib
  28       COMMAND ar x ${CMAKE_STATIC_LIBRARY_PREFIX}${lib}${CMAKE_STATIC_LIBRARY_SUFFIX}
  29       COMMAND ${CMAKE_LINKER} "${LLVM_PLO_FLAGS}" -r "*${CMAKE_CXX_OUTPUT_EXTENSION}" -o ${pll}
  30       COMMAND rm -f *${CMAKE_CXX_OUTPUT_EXTENSION}
  31       )
  32     target_name_of_partially_linked_object(${lib} tnplo)
  33     add_custom_target(${tnplo} ALL DEPENDS ${pll})
  34     set( llvm_libs ${llvm_libs} ${pll} PARENT_SCOPE)
  35     set( llvm_lib_targets ${llvm_lib_targets} ${tnplo} PARENT_SCOPE )
  36   endif( MSVC )
  37   install(FILES ${pll}
  38     DESTINATION lib)
  39 endmacro(add_partially_linked_object lib)