Fixed getting the current time wrong in the script file (#712)

Co-authored-by: Yang Kun <[email protected]>

CMakeLists.txt

@@ -188,21 +188,7 @@ ENDIF(LIBUSB_INCLUDE_DIRS)
 # version.rc for Windows
 IF(WIN32)
  # Date for filling in rc file information
- IF (CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows")
- MACRO (GET_CURRENT_YEAR RESULT)
- EXECUTE_PROCESS(COMMAND "cmd" " /C date /T" OUTPUT_VARIABLE ${RESULT})
- STRING(REGEX REPLACE "\n" "" ${RESULT} ${${RESULT}})
- STRING(REGEX REPLACE ".*(..)/(..)/(....).*" "\\3" ${RESULT} ${${RESULT}})
- ENDMACRO (GET_CURRENT_YEAR)
- ELSE(CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows")
- MACRO (GET_CURRENT_YEAR RESULT)
- EXECUTE_PROCESS(COMMAND "date" "+%Y" OUTPUT_VARIABLE ${RESULT})
- STRING(REGEX REPLACE "\n" "" ${RESULT} ${${RESULT}})
- ENDMACRO (GET_CURRENT_YEAR)
- ENDIF(CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows")
- GET_CURRENT_YEAR(CURRENT_YEAR)
- MESSAGE("Year for copyright is " ${CURRENT_YEAR})
-
+ STRING(TIMESTAMP CURRENT_YEAR %Y)
  SET(prefix ${CMAKE_INSTALL_PREFIX})
  SET(RC_COMMENT "${PACKAGE_NAME} library")
  SET(RC_INTERNAL_NAME "${PACKAGE_NAME} ${WIN32_MODE}")