gitversion.cmake 2.02 KB
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############################################################################
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# gitversion.cmake
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# Copyright (C) 2014  Belledonne Communications, Grenoble France
#
############################################################################
#
# 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 2
# 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, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
#
############################################################################

if(GIT_EXECUTABLE)
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	macro(GIT_COMMAND OUTPUT_VAR)
		set(GIT_ARGS ${ARGN})
		execute_process(
			COMMAND ${GIT_EXECUTABLE} ${ARGN}
			WORKING_DIRECTORY ${WORK_DIR}
			OUTPUT_VARIABLE ${OUTPUT_VAR}
			OUTPUT_STRIP_TRAILING_WHITESPACE
		)
	endmacro()

	GIT_COMMAND(GIT_DESCRIBE describe --always)
	GIT_COMMAND(GIT_TAG describe --abbrev=0)
	GIT_COMMAND(GIT_REVISION rev-parse HEAD)
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endif()
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if(GIT_DESCRIBE)
	if(NOT GIT_TAG STREQUAL LINPHONE_VERSION)
		message(FATAL_ERROR "LINPHONE_VERSION and git tag differ. Please put them identical")
	endif()
	set(LIBLINPHONE_GIT_VERSION "${GIT_DESCRIBE}")
	configure_file("${WORK_DIR}/gitversion.h.in" "${OUTPUT_DIR}/liblinphone_gitversion.h" @ONLY)
elseif(GIT_REVISION)
	set(LIBLINPHONE_GIT_VERSION "${LINPHONE_VERSION}_${GIT_REVISION}")
	configure_file("${WORK_DIR}/gitversion.h.in" "${OUTPUT_DIR}/liblinphone_gitversion.h" @ONLY)
else()
	if(NOT EXISTS "${OUTPUT_DIR}/liblinphone_gitversion.h")
		execute_process(COMMAND ${CMAKE_COMMAND} -E touch "${OUTPUT_DIR}/liblinphone_gitversion.h")
	endif()
endif()