uhd/host/Modules/UHDVersion.cmake

62 lines
2.5 KiB
CMake

#
# Copyright 2010-2011 Ettus Research LLC
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
########################################################################
INCLUDE(UHDPython) #requires python for parsing
########################################################################
# Setup Version Numbers
########################################################################
SET(UHD_VERSION_MAJOR 002) #API compatibility number
SET(UHD_VERSION_MINOR 0) #Timestamp of git commit
SET(UHD_VERSION_PATCH 0) #Short hash of git commit
########################################################################
# Find GIT to get repo information
########################################################################
FIND_PACKAGE(Git QUIET)
IF(GIT_FOUND)
#grab the git log entry for the current head
EXECUTE_PROCESS(
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
COMMAND ${GIT_EXECUTABLE} log HEAD~..HEAD --date=raw -n1
OUTPUT_VARIABLE _git_log OUTPUT_STRIP_TRAILING_WHITESPACE
)
#extract the timestamp from the git log entry
EXECUTE_PROCESS(
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
COMMAND ${PYTHON_EXECUTABLE} -c "import re; print re.match('^.*Date:\\s*(\\d*).*$', ''' ${_git_log} ''', re.MULTILINE | re.DOTALL).groups()[0]"
OUTPUT_VARIABLE _git_timestamp OUTPUT_STRIP_TRAILING_WHITESPACE
)
#format the timestamp into YYYY-MM-DD-HH-MM-SS
EXECUTE_PROCESS(
COMMAND ${PYTHON_EXECUTABLE} -c "import time; print time.strftime('%Y%m%d%H%M%S', time.gmtime(${_git_timestamp}))"
OUTPUT_VARIABLE _git_date OUTPUT_STRIP_TRAILING_WHITESPACE
)
SET(UHD_VERSION_MINOR ${_git_date})
#grab the git ref id for the current head
EXECUTE_PROCESS(
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
COMMAND ${GIT_EXECUTABLE} rev-parse --short HEAD
OUTPUT_VARIABLE _git_rev OUTPUT_STRIP_TRAILING_WHITESPACE
)
SET(UHD_VERSION_PATCH ${_git_rev})
ENDIF(GIT_FOUND)