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################################################################################
##
## The University of Illinois/NCSA
## Open Source License (NCSA)
##
## Copyright (c) 2014-2017, Advanced Micro Devices, Inc. All rights reserved.
##
## Developed by:
##
## AMD Research and AMD HSA Software Development
##
## Advanced Micro Devices, Inc.
##
## www.amd.com
##
## Permission is hereby granted, free of charge, to any person obtaining a copy
## of this software and associated documentation files (the "Software"), to
## deal with the Software without restriction, including without limitation
## the rights to use, copy, modify, merge, publish, distribute, sublicense,
## and#or sell copies of the Software, and to permit persons to whom the
## Software is furnished to do so, subject to the following conditions:
##
## - Redistributions of source code must retain the above copyright notice,
## this list of conditions and the following disclaimers.
## - Redistributions in binary form must reproduce the above copyright
## notice, this list of conditions and the following disclaimers in
## the documentation and#or other materials provided with the distribution.
## - Neither the names of Advanced Micro Devices, Inc,
## nor the names of its contributors may be used to endorse or promote
## products derived from this Software without specific prior written
## permission.
##
## THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
## IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
## FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
## THE CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
## OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
## ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
## DEALINGS WITH THE SOFTWARE.
##
################################################################################
## Parses the VERSION_STRING variable and places
## the first, second and third number values in
## the major, minor and patch variables.
function( parse_version VERSION_STRING )
string ( FIND ${VERSION_STRING} "-" STRING_INDEX )
if ( ${STRING_INDEX} GREATER -1 )
math ( EXPR STRING_INDEX "${STRING_INDEX} + 1" )
string ( SUBSTRING ${VERSION_STRING} ${STRING_INDEX} -1 VERSION_BUILD )
endif ()
string ( REGEX MATCHALL "[0123456789]+" VERSIONS ${VERSION_STRING} )
list ( LENGTH VERSIONS VERSION_COUNT )
if ( ${VERSION_COUNT} GREATER 0)
list ( GET VERSIONS 0 MAJOR )
set ( VERSION_MAJOR ${MAJOR} PARENT_SCOPE )
set ( TEMP_VERSION_STRING "${MAJOR}" )
endif ()
if ( ${VERSION_COUNT} GREATER 1 )
list ( GET VERSIONS 1 MINOR )
set ( VERSION_MINOR ${MINOR} PARENT_SCOPE )
set ( TEMP_VERSION_STRING "${TEMP_VERSION_STRING}.${MINOR}" )
endif ()
if ( ${VERSION_COUNT} GREATER 2 )
list ( GET VERSIONS 2 PATCH )
set ( VERSION_PATCH ${PATCH} PARENT_SCOPE )
set ( TEMP_VERSION_STRING "${TEMP_VERSION_STRING}.${PATCH}" )
endif ()
if ( DEFINED VERSION_BUILD )
set ( VERSION_BUILD "${VERSION_BUILD}" PARENT_SCOPE )
endif ()
set ( VERSION_STRING "${TEMP_VERSION_STRING}" PARENT_SCOPE )
endfunction ()
## Gets the current version of the repository
## using versioning tags and git describe.
## Passes back a packaging version string
## and a library version string.
function ( get_version DEFAULT_VERSION_STRING )
parse_version ( ${DEFAULT_VERSION_STRING} )
find_program ( GIT NAMES git )
if ( GIT )
execute_process ( COMMAND git describe --tags --dirty --long
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
OUTPUT_VARIABLE GIT_TAG_STRING
OUTPUT_STRIP_TRAILING_WHITESPACE
RESULT_VARIABLE RESULT )
if ( ${RESULT} EQUAL 0 )
parse_version ( ${GIT_TAG_STRING} )
endif ()
endif ()
set( VERSION_STRING "${VERSION_STRING}" PARENT_SCOPE )
set( VERSION_MAJOR "${VERSION_MAJOR}" PARENT_SCOPE )
set( VERSION_MINOR "${VERSION_MINOR}" PARENT_SCOPE )
set( VERSION_PATCH "${VERSION_PATCH}" PARENT_SCOPE )
set( VERSION_BUILD "${VERSION_BUILD}" PARENT_SCOPE )
endfunction()
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