cmake/modules/TableGen.cmake

   1 # LLVM_TARGET_DEFINITIONS must contain the name of the .td file to process.
   2 # Extra parameters for `tblgen' may come after `ofn' parameter.
   3 # Adds the name of the generated file to TABLEGEN_OUTPUT.
   4
   5 macro(tablegen ofn)
   6   file(GLOB all_tds "*.td")
   7
   8   add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${ofn}.tmp
   9     COMMAND ${LLVM_TABLEGEN_EXE} ${ARGN} -I ${CMAKE_CURRENT_SOURCE_DIR}
  10     -I ${LLVM_MAIN_SRC_DIR}/lib/Target -I ${LLVM_MAIN_INCLUDE_DIR}
  11     ${CMAKE_CURRENT_SOURCE_DIR}/${LLVM_TARGET_DEFINITIONS}
  12     -o ${CMAKE_CURRENT_BINARY_DIR}/${ofn}.tmp
  13     DEPENDS tblgen ${all_tds}
  14     COMMENT "Building ${ofn}.tmp..."
  15     )
  16   add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${ofn}
  17     COMMAND ${CMAKE_COMMAND} -E copy_if_different
  18     ${CMAKE_CURRENT_BINARY_DIR}/${ofn}.tmp ${CMAKE_CURRENT_BINARY_DIR}/${ofn}
  19     DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${ofn}.tmp
  20     COMMENT "Building ${ofn}..."
  21     )
  22   set(TABLEGEN_OUTPUT ${TABLEGEN_OUTPUT} ${CMAKE_CURRENT_BINARY_DIR}/${ofn})
  23 endmacro(tablegen)