1#-------------------------------------------------------------------------------
2# Copyright (c) 2021-2022, Arm Limited. All rights reserved.
3#
4# SPDX-License-Identifier: BSD-3-Clause
5#
6#-------------------------------------------------------------------------------
7
8# The 'TFM_VERSION_MANUAL' is used for fallback when Git tags are not available
9set(TFM_VERSION_MANUAL "1.8.0")
10
11execute_process(COMMAND git describe --tags --always
12    WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
13    OUTPUT_VARIABLE TFM_VERSION_FULL
14    OUTPUT_STRIP_TRAILING_WHITESPACE)
15
16# In a repository cloned with --no-tags option TFM_VERSION_FULL will be a hash
17# only hence checking it for a tag format to accept as valid version.
18
19string(FIND ${TFM_VERSION_FULL} "TF-M" TFM_TAG)
20if(TFM_TAG EQUAL -1)
21    set(TFM_VERSION_FULL v${TFM_VERSION_MANUAL})
22    message(WARNING "Actual TF-M version is not available from Git repository. Settled to " ${TFM_VERSION_FULL})
23endif()
24
25string(REGEX REPLACE "TF-M" "" TFM_VERSION_FULL ${TFM_VERSION_FULL})
26# remove a commit number
27string(REGEX REPLACE "-[0-9]+-g" "+" TFM_VERSION_FULL ${TFM_VERSION_FULL})
28string(REGEX MATCH "[0-9]+\\.[0-9]+\\.[0-9]+" TFM_VERSION ${TFM_VERSION_FULL})
29
30# Check that manually set version is up to date
31if (NOT TFM_VERSION_MANUAL STREQUAL TFM_VERSION)
32    message(WARNING "TFM_VERSION_MANUAL mismatches to actual TF-M version. Please update TFM_VERSION_MANUAL in cmake/version.cmake")
33endif()
34