Add CMake scripts to generate build version header using Bazaar.

CMakeLists.txt

@@ -150,8 +150,8 @@ if(WIN32 AND USE_WX_GRAPHICS_CONTEXT)
 endif(WIN32 AND USE_WX_GRAPHICS_CONTEXT)
 
 # Automagically create version header file.
-include(CreateSVNVersionHeader)
-create_svn_version_header()
+include(CreateBzrVersionHeader)
+create_bzr_version_header()
 
 if(EXISTS ${CMAKE_SOURCE_DIR}/include/config.h)
     # This file may exist (created by an alternate process to the svn test above),

CMakeModules/CreateBzrVersionHeader.cmake

+#
+#  This program source code file is part of KICAD, a free EDA CAD application.
+#
+#  Copyright (C) 2010 Wayne Stambaugh <stambaughw@verizon.net>
+#  Copyright (C) 2010 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
+#
+
+macro( create_bzr_version_header )
+    # Include Bazaar support to automagically create version header file.
+    find_package( Bazaar )
+
+    if( Bazaar_FOUND )
+        set( _Bazaar_SAVED_LC_ALL "$ENV{LC_ALL}" )
+        set( ENV{LC_ALL} C )
+
+        execute_process( COMMAND
+                         ${Bazaar_EXECUTABLE} log -r-1 ${PROJECT_SOURCE_DIR}
+                         OUTPUT_VARIABLE _bazaar_LAST_CHANGE_LOG
+                         ERROR_VARIABLE _bazaar_log_error
+                         RESULT_VARIABLE _bazaar_log_result
+                         OUTPUT_STRIP_TRAILING_WHITESPACE )
+
+        if( NOT ${_bzr_log_result} EQUAL 0 )
+            message(STATUS "Using <build_version.h> for version string.")
+        else( NOT ${_bzr_log_result} EQUAL 0 )
+            string( REGEX REPLACE "^(.*\n)?revno: ([^ \n]+).*"
+                    "\\2" Kicad_REPO_REVISION "${_bazaar_LAST_CHANGE_LOG}" )
+            string( REGEX REPLACE "^(.*\n)?committer: ([^\n]+).*"
+                    "\\2" Kicad_REPO_LAST_CHANGED_AUTHOR "${_bazaar_LAST_CHANGE_LOG}" )
+            string( REGEX REPLACE "^(.*\n)?timestamp: [a-zA-Z]+ ([^ \n]+).*"
+                    "\\2" Kicad_REPO_LAST_CHANGED_DATE "${_bazaar_LAST_CHANGE_LOG}" )
+        endif( NOT ${_bzr_log_result} EQUAL 0 )
+
+        set( ENV{LC_ALL} ${_Bazaar_SAVED_LC_ALL} )
+    endif( Bazaar_FOUND )
+
+    # Check to make sure 'bzr log' command did not fail.  Otherwise fallback
+    # to version strings defined in "<kicad-src-dir>/include/build_version.h".
+    if( Kicad_REPO_LAST_CHANGED_DATE )
+        string( REGEX REPLACE "^([0-9]+)\\-([0-9]+)\\-([0-9]+)" "\\1-\\2-\\3"
+                _kicad_bzr_date ${Kicad_REPO_LAST_CHANGED_DATE} )
+        set( KICAD_BUILD_VERSION "(${_kicad_bzr_date} BZR ${Kicad_REPO_REVISION})" )
+
+        # Definition to conditionally use date and revision returned from the
+        # Bazaar log command instead of hand coded date and revision in
+        # "include/build_version.h".  If Bazaar is not found then the date
+        # and version information must be manually edited.
+        # Directive means bzr build, program version and build version will
+        # reflect this.
+        add_definitions( -DHAVE_SVN_VERSION )
+
+        # Generate version.h.
+        configure_file( ${CMAKE_SOURCE_DIR}/CMakeModules/version.h.cmake
+                        ${CMAKE_BINARY_DIR}/version.h)
+
+        message( STATUS "Kicad Bazaar build version: ${KICAD_BUILD_VERSION}")
+    endif(Kicad_REPO_LAST_CHANGED_DATE)
+endmacro(create_bzr_version_header)

CMakeModules/FindBazaar.cmake

+#
+#  This program source code file is part of KICAD, a free EDA CAD application.
+#
+#  Copyright (C) 2010 Wayne Stambaugh <stambaughw@verizon.net>
+#  Copyright (C) 2010 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
+#
+# This CMake script finds the Bazaar version control system executable and
+# and fetches the veresion string to valid that Bazaar was found and executes
+# properly.
+#
+# Usage:
+#  find_package( Bazaar )
+#
+# User definable.
+#    Bazaar_EXECUTABLE      Set this to use a version of Bazaar that is not in
+#                           current path.  Defaults to bzr.
+#
+# Defines:
+#    Bazaar_FOUND           Set to TRUE if Bazaar command line client is found
+#                           and the bzr --version command executes properly.
+#    Bazaar_VERSION         Result of the bzr --version command.
+#
+
+set( Bazaar_FOUND FALSE )
+
+find_program( Bazaar_EXECUTABLE bzr
+              DOC "Bazaar version control system command line client" )
+mark_as_advanced( Bazaar_EXECUTABLE )
+
+if( Bazaar_EXECUTABLE )
+
+    # Bazaar commands should be executed with the C locale, otherwise
+    # the message (which are parsed) may be translated causing the regular
+    # expressions to fail.
+    set( _Bazaar_SAVED_LC_ALL "$ENV{LC_ALL}" )
+    set( ENV{LC_ALL} C )
+
+    # Fetch the Bazaar executable version.
+    execute_process( COMMAND ${Bazaar_EXECUTABLE} --version
+                     OUTPUT_VARIABLE bzr_version_output
+                     ERROR_VARIABLE _bzr_version_error
+                     RESULT_VARIABLE _bzr_version_result
+                     OUTPUT_STRIP_TRAILING_WHITESPACE )
+
+    if( ${_bzr_version_result} EQUAL 0 )
+        set( Bazaar_FOUND TRUE )
+        string( REGEX REPLACE "^(.*\n)? \(bzr\) ([^\n]+).*"
+                "\\2" Bazaar_VERSION "${_bzr_version_output}" )
+        message( STATUS "Bazaar version control system version ${Bazaar_VERSION} found." )
+    endif( ${_bzr_version_result} EQUAL 0 )
+
+    # restore the previous LC_ALL
+    set( ENV{LC_ALL} ${_Bazaar_SAVED_LC_ALL} )
+endif( Bazaar_EXECUTABLE )
+
+if( NOT Bazaar_FOUND )
+    if( NOT Bazaar_FIND_QUIETLY )
+        message( STATUS "Bazaar version control command line client was not found." )
+    else( NOT Bazaar_FIND_QUIETLY )
+        if( Bazaar_FIND_REQUIRED )
+            message( FATAL_ERROR "Bazaar version control command line client was not found." )
+        endif( Bazaar_FIND_REQUIRED )
+    endif( NOT Bazaar_FIND_QUIETLY )
+endif( NOT Bazaar_FOUND )