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#
# 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
FIND_PACKAGE(Git QUIET)
########################################################################
# Setup Version Numbers
# - increment major on api compatibility changes
# - increment minor on feature-level changes
# - increment patch on for bug fixes and docs
########################################################################
SET(UHD_VERSION_MAJOR 003)
SET(UHD_VERSION_MINOR 000)
SET(UHD_VERSION_PATCH 001)
########################################################################
# Version information discovery through git log
########################################################################
IF(UHD_RELEASE_MODE)
SET(UHD_BUILD_INFO_DISCOVERY FALSE)
SET(UHD_BUILD_INFO "release")
ELSE()
SET(UHD_BUILD_INFO_DISCOVERY GIT_FOUND)
SET(UHD_BUILD_INFO "unknown")
ENDIF()
IF(UHD_BUILD_INFO_DISCOVERY)
#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
)
#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_BUILD_INFO ${_git_rev})
ENDIF(UHD_BUILD_INFO_DISCOVERY)
########################################################################
SET(UHD_VERSION "${UHD_VERSION_MAJOR}.${UHD_VERSION_MINOR}.${UHD_VERSION_PATCH}")
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