message: Accept ISPC release candidates (e.g. v1.9.2rc2)
diff: @@ -55,7 +55,7 @@ ENDIF()
  IF(NOT ISPC_VERSION)
  EXECUTE_PROCESS(COMMAND ${ISPC_EXECUTABLE} --version OUTPUT_VARIABLE ISPC_OUTPUT)
  - STRING(REGEX MATCH " ([0-9]+[.][0-9]+[.][0-9]+)(dev|knl)? " DUMMY "${ISPC_OUTPUT}")
  + STRING(REGEX MATCH " ([0-9]+[.][0-9]+[.][0-9]+)(dev|knl|rc[0-9])? " DUMMY "${ISPC_OUTPUT}")
  SET(ISPC_VERSION ${CMAKE_MATCH_1})
  IF (ISPC_VERSION VERSION_LESS ISPC_VERSION_REQUIRED)
  