fix OpenCL driver version calculation

Related-To: NEO-5626
Signed-off-by: Artur Harasimiuk <[email protected]>

Author: ArturHarasimiuk

scripts/neo_ww_calculator.py

@@ -0,0 +1,40 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2021 Intel Corporation
+#
+# SPDX-License-Identifier: MIT
+#
+
+import sys
+
+from datetime import datetime, timezone
+
+def convert_ww(epoch):
+    dt = datetime.fromtimestamp(epoch, timezone.utc)
+
+    # get some info from epoch
+    yr = int(dt.strftime("%y"))
+    doy = int(dt.strftime("%j"))
+    # and day of week for Jan 1st
+    dow1 = int(datetime(dt.year, 1, 1).strftime("%w"))
+
+    # number of days in a year
+    _is_leap = yr % 400 == 0 or (yr % 4 == 0 and yr % 100 != 0)
+    _y_days = 366 if _is_leap else 365
+
+    _doy = doy - 1 + dow1           # shift day of year to simulate Jan 1st as Sunday
+    _ww = int(_doy / 7) + 1         # get workweek
+    _wd = int(_doy % 7)             # get days of week
+    _y_days = _y_days + dow1        # adjusted number of days in year
+    _w_days = _y_days - _doy + _wd  # numer of week days days to end of year
+
+    if _w_days < 7:
+        # last week has less than 7 days
+        yr = yr + 1
+        _ww = 1
+
+    print("{:02d}.{:02d}".format(yr, _ww))
+    return 0
+
+if __name__ == '__main__':
+    exit(convert_ww(int(sys.argv[1])))

version.cmake

@@ -1,47 +1,47 @@
 #
-# Copyright (C) 2018-2020 Intel Corporation
+# Copyright (C) 2018-2021 Intel Corporation
 #
 # SPDX-License-Identifier: MIT
 #
 
 if(UNIX)
   if(NOT DEFINED NEO_OCL_DRIVER_VERSION)
     find_program(GIT NAMES git)
-    if(NOT "${GIT}" STREQUAL "GIT-NOTFOUND")
+    find_program(PYTHON_EXECUTABLE NAMES "python3")
+    if((NOT "${GIT}" STREQUAL "GIT-NOTFOUND") AND (NOT "${PYTHON_EXECUTABLE}" STREQUAL "PYTHON_EXECUTABLE-NOTFOUND"))
       if(IS_DIRECTORY ${NEO_SOURCE_DIR}/.git)
         set(GIT_arg --git-dir=${NEO_SOURCE_DIR}/.git show -s --format=%ct)
         execute_process(
                         COMMAND ${GIT} ${GIT_arg}
                         OUTPUT_VARIABLE GIT_output
                         OUTPUT_STRIP_TRAILING_WHITESPACE
         )
+        set(PYTHON_arg ${CMAKE_CURRENT_SOURCE_DIR}/scripts/neo_ww_calculator.py ${GIT_output})
+        execute_process(
+                        COMMAND ${PYTHON_EXECUTABLE} ${PYTHON_arg}
+                        OUTPUT_VARIABLE VERSION_output
+                        OUTPUT_STRIP_TRAILING_WHITESPACE
+        )
+        string(REPLACE "." ";" VERSION_list ${VERSION_output})
       endif()
+    else()
+      message(WARNING "Unable to determine OpenCL major.minor version. Defaulting to 1.0")
     endif()
 
     if(NOT DEFINED NEO_OCL_VERSION_MAJOR)
-      if(NOT DEFINED GIT_output)
+      if(NOT DEFINED VERSION_list)
         set(NEO_OCL_VERSION_MAJOR 1)
       else()
-        SET(DATE_arg --date=@${GIT_output} +%y)
-        execute_process(
-                        COMMAND date ${DATE_arg}
-                        OUTPUT_VARIABLE NEO_OCL_VERSION_MAJOR
-                        OUTPUT_STRIP_TRAILING_WHITESPACE
-        )
+        list(GET VERSION_list 0 NEO_OCL_VERSION_MAJOR)
         message(STATUS "Computed OpenCL version major is: ${NEO_OCL_VERSION_MAJOR}")
       endif()
     endif()
 
     if(NOT DEFINED NEO_OCL_VERSION_MINOR)
-      if(NOT DEFINED GIT_output)
+      if(NOT DEFINED VERSION_list)
         set(NEO_OCL_VERSION_MINOR 0)
       else()
-        SET(DATE_arg --date=@${GIT_output} +%V)
-        execute_process(
-                        COMMAND date ${DATE_arg}
-                        OUTPUT_VARIABLE NEO_OCL_VERSION_MINOR
-                        OUTPUT_STRIP_TRAILING_WHITESPACE
-        )
+        list(GET VERSION_list 1 NEO_OCL_VERSION_MINOR)
         message(STATUS "Computed OpenCL version minor is: ${NEO_OCL_VERSION_MINOR}")
       endif()
     endif()