kicad/CMakeModules/BuildSteps/WriteVersionHeader.cmake

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#
# This program source code file is part of KICAD, a free EDA CAD application.
#
# Copyright (C) 2015 Wayne Stambaugh <stambaughw@gmail.com>
# Copyright (C) 2015-2020 KiCad Developers, see AUTHORS.txt for contributors.
#
# 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, you may find one here:
# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
# or you may search the http://www.gnu.org website for the version 2 license,
# or you may write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
#
# Create the KiCad version strings
include( ${CMAKE_MODULE_PATH}/KiCadVersion.cmake )
include( ${CMAKE_MODULE_PATH}/KiCadFullVersion.cmake )
# Extract the major and minor build version as a string
string( REGEX MATCH
"([0-9]+)\\.([0-9]+)\\..*"
KICAD_MAJOR_MINOR_VERSION
"${KICAD_SEMANTIC_VERSION}"
)
if( CMAKE_MATCH_COUNT EQUAL 2 )
# Match slot 0 is the full string, so we want slots 1 & 2
set( KICAD_MAJOR_MINOR_VERSION "${CMAKE_MATCH_1}.${CMAKE_MATCH_2}" )
set( KICAD_MAJOR_VERSION "${CMAKE_MATCH_1}" )
else()
message( FATAL_ERROR "Unable to extract major and minor version string" )
endif()
set( _wvh_new_version_text
"/* Do not modify this file, it was automatically generated by CMake. */
/*
* Define the KiCad build version strings.
*/
#ifndef __KICAD_VERSION_H__
#define __KICAD_VERSION_H__
#define KICAD_VERSION_FULL \"${KICAD_VERSION_FULL}\"
#define KICAD_SEMANTIC_VERSION \"${KICAD_SEMANTIC_VERSION}\"
#define KICAD_MAJOR_VERSION \"${KICAD_MAJOR_VERSION}\"
#define KICAD_MAJOR_MINOR_VERSION \"${KICAD_MAJOR_MINOR_VERSION}\"
#endif /* __KICAD_VERSION_H__ */
" )
set( _wvh_write_version_file ON )
# Only write the header if it has changed, to avoid rebuilds
if( EXISTS ${OUTPUT_FILE} )
file( READ ${OUTPUT_FILE} _wvh_old_version_text )
if( _wvh_old_version_text STREQUAL _wvh_new_version_text )
message( STATUS "Not updating ${OUTPUT_FILE}" )
set( _wvh_write_version_file OFF )
endif()
endif()
if( _wvh_write_version_file )
message( STATUS "Writing ${OUTPUT_FILE} file with version: ${KICAD_VERSION_FULL}" )
file( WRITE ${OUTPUT_FILE} ${_wvh_new_version_text} )
# Write a simple document with only the full version
file( WRITE ${TEXT_OUTPUT_FILE} "${KICAD_VERSION_FULL}" )
endif()
# There should always be a valid version.h file. Otherwise, the build will fail.
if( NOT EXISTS ${OUTPUT_FILE} )
message( FATAL_ERROR "Configuration failed to write file ${OUTPUT_FILE}." )
endif()