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CMake: Refactor into topic-based modules

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Dennis Klein
2021-05-28 08:13:34 +02:00
committed by Dennis Klein
parent 2e9a088b4d
commit 20200f02a3
10 changed files with 653 additions and 607 deletions
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65
cmake/GitHelper.cmake Normal file
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################################################################################
# Copyright (C) 2018-2021 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH #
# #
# This software is distributed under the terms of the #
# GNU Lesser General Public Licence (LGPL) version 3, #
# copied verbatim in the file "LICENSE" #
################################################################################
include_guard(GLOBAL)
if(NOT DEFINED ${GIT_EXECUTABLE})
find_program(GIT_EXECUTABLE NAMES git)
endif()
# get_git_version([DEFAULT_VERSION version] [DEFAULT_DATE date] [OUTVAR_PREFIX prefix])
#
# Sets variables #prefix#_VERSION, #prefix#_GIT_VERSION, #prefix#_DATE, #prefix#_GIT_DATE
function(get_git_version)
cmake_parse_arguments(ARGS "" "DEFAULT_VERSION;DEFAULT_DATE;OUTVAR_PREFIX" "" ${ARGN})
if(NOT ARGS_OUTVAR_PREFIX)
set(ARGS_OUTVAR_PREFIX PROJECT)
endif()
if(GIT_EXECUTABLE AND EXISTS ${CMAKE_SOURCE_DIR}/.git)
execute_process(COMMAND ${GIT_EXECUTABLE} describe --tags --dirty --match "v*"
OUTPUT_VARIABLE ${ARGS_OUTVAR_PREFIX}_GIT_VERSION
OUTPUT_STRIP_TRAILING_WHITESPACE
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
)
if(${ARGS_OUTVAR_PREFIX}_GIT_VERSION)
# cut first two characters "v-"
string(SUBSTRING ${${ARGS_OUTVAR_PREFIX}_GIT_VERSION} 1 -1 ${ARGS_OUTVAR_PREFIX}_GIT_VERSION)
endif()
execute_process(COMMAND ${GIT_EXECUTABLE} log -1 --format=%cd
OUTPUT_VARIABLE ${ARGS_OUTVAR_PREFIX}_GIT_DATE
OUTPUT_STRIP_TRAILING_WHITESPACE
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
)
endif()
if(NOT ${ARGS_OUTVAR_PREFIX}_GIT_VERSION)
if(ARGS_DEFAULT_VERSION)
set(${ARGS_OUTVAR_PREFIX}_GIT_VERSION ${ARGS_DEFAULT_VERSION})
else()
set(${ARGS_OUTVAR_PREFIX}_GIT_VERSION 0.0.0.0)
endif()
endif()
if(NOT ${ARGS_OUTVAR_PREFIX}_GIT_DATE)
if(ARGS_DEFAULT_DATE)
set(${ARGS_OUTVAR_PREFIX}_GIT_DATE ${ARGS_DEFAULT_DATE})
else()
set(${ARGS_OUTVAR_PREFIX}_GIT_DATE "Thu Jan 1 00:00:00 1970 +0000")
endif()
endif()
string(REGEX MATCH "^([^-]*)" blubb ${${ARGS_OUTVAR_PREFIX}_GIT_VERSION})
# return values
set(${ARGS_OUTVAR_PREFIX}_VERSION ${CMAKE_MATCH_0} PARENT_SCOPE)
set(${ARGS_OUTVAR_PREFIX}_DATE ${${ARGS_OUTVAR_PREFIX}_GIT_DATE} PARENT_SCOPE)
set(${ARGS_OUTVAR_PREFIX}_GIT_VERSION ${${ARGS_OUTVAR_PREFIX}_GIT_VERSION} PARENT_SCOPE)
set(${ARGS_OUTVAR_PREFIX}_GIT_DATE ${${ARGS_OUTVAR_PREFIX}_GIT_DATE} PARENT_SCOPE)
endfunction()