kicad/CMakeModules/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@verizon.net>
# Copyright (C) 2015 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
#
# Automagically create version header file if the version string was not defined during
# the build configuration. If CreateBzrVersionHeader or CreateGitVersionHeader cannot
# determine the current repo version, a version.h file is still created with
# KICAD_BUILD_VERSION set to "no-vcs-found".
if( NOT KICAD_BUILD_VERSION )
set( _wvh_version_str "no-vcs-found" )
# Detect the appropiate VCS and set the version string.
if( EXISTS "${SRC_PATH}/.bzr" )
message( STATUS "Using Bazaar to determine build version string." )
include( ${CMAKE_MODULE_PATH}/CreateBzrVersionHeader.cmake )
create_bzr_version_header( ${SRC_PATH} )
set( _wvh_version_str ${KICAD_BUILD_VERSION} )
elseif( EXISTS "${SRC_PATH}/.git" )
message( STATUS "Using Git to determine build version string." )
include( ${CMAKE_MODULE_PATH}/CreateGitVersionHeader.cmake )
create_git_version_header( ${SRC_PATH} )
set( _wvh_version_str ${KICAD_BUILD_VERSION} )
endif()
else()
set( _wvh_version_str ${KICAD_BUILD_VERSION} )
endif()
set( _wvh_write_version_file ON )
# Compare the version argument against the version in the existing header file for a mismatch.
if( EXISTS ${OUTPUT_FILE} )
file( STRINGS ${OUTPUT_FILE} _current_version_str
REGEX "^#define[\t ]+KICAD_BUILD_VERSION[\t ]+.*" )
string( REGEX REPLACE "^#define KICAD_BUILD_VERSION \"([()a-zA-Z0-9 -.]+)\".*"
"\\1" _wvh_last_version "${_current_version_str}" )
# No change, do not write version.h
if( _wvh_version_str STREQUAL _wvh_last_version )
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: ${_wvh_version_str}" )
file( WRITE ${OUTPUT_FILE}
"/* Do not modify this file, it was automatically generated by CMake. */
/*
* Define the KiCad build version string.
*/
#ifndef __KICAD_VERSION_H__
#define __KICAD_VERSION_H__
#define KICAD_BUILD_VERSION \"${_wvh_version_str}\"
#endif /* __KICAD_VERSION_H__ */
"
)
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()