cmake/modules/AddPartiallyLinkedObject.cmake

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