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LUMIERA.clone/SConstruct
Ichthyostega 25b21fe575 reorder building/installing of Icons 
no need to define them together with the source.
SCons is able to work out the real dependencies
just fine. Thus, Icons remain in Main SConstruct
2012-01-11 07:05:00 +01:00

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# -*- python -*-
##
## SConstruct - SCons based build-system for Lumiera
##
# Copyright (C) Lumiera.org
# 2008, Hermann Vosseler <Ichthyostega@web.de>
#
# 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, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#####################################################################
# NOTE: scons -h for help.
# Read more about the SCons build system at: http://www.scons.org
# Basically, this script just /defines/ the components and how they
# fit together. SCons will derive the necessary build steps.
#-----------------------------------Configuration
TARGDIR = 'target'
VERSION = '0.pre.01'
TOOLDIR = './admin/scons' # SCons plugins
SCRIPTDIR = './admin'
OPTCACHE = 'optcache'
CUSTOPTFILE = 'custom-options'
# these are accessible via env.path.xxxx
srcIcon = 'icons'
srcConf = 'data/config'
buildExe = '#$TARGDIR'
buildLib = '#$TARGDIR/modules'
buildPlug = '#$TARGDIR/modules'
buildIcon = '#$TARGDIR/gui/icons'
buildUIRes = '#$TARGDIR/'
buildConf = '#$TARGDIR/config'
installExe = '#$DESTDIR/lib/lumiera'
installLib = '#$DESTDIR/lib/lumiera/modules'
installPlug = '#$DESTDIR/lib/lumiera/modules'
installIcon = '#$DESTDIR/share/lumiera/icons'
installUIRes = '#$DESTDIR/share/lumiera/'
installConf = '#$DESTDIR/lib/lumiera/config'
#-----------------------------------Configuration
localDefinitions = locals()
import os
import sys
sys.path.append(TOOLDIR)
sys.path.append(SCRIPTDIR)
from Buildhelper import *
from LumieraEnvironment import *
#####################################################################
def setupBasicEnvironment(localDefinitions):
""" define cmdline options, build type decisions
"""
EnsurePythonVersion(2,4)
EnsureSConsVersion(1,0)
Decider('MD5-timestamp') # detect changed files by timestamp, then do a MD5
vars = defineCmdlineVariables()
env = LumieraEnvironment(variables=vars
,toolpath = [TOOLDIR]
,pathConfig = extract_localPathDefs(localDefinitions) # e.g. buildExe -> env.path.buildExe
,TARGDIR = TARGDIR
,DESTDIR = '$INSTALLDIR/$PREFIX'
,VERSION = VERSION
)
handleVerboseMessages(env)
env.Replace( CPPPATH =["#src"] # used to find includes, "#" means always absolute to build-root
, CPPDEFINES=['LUMIERA_VERSION='+VERSION ] # note: it's a list to append further defines
, CCFLAGS='-Wall -Wextra '
, CFLAGS='-std=gnu99'
)
handleNoBugSwitches(env)
env.Append(CPPDEFINES = '_GNU_SOURCE')
appendCppDefine(env,'DEBUG','DEBUG', 'NDEBUG')
# appendCppDefine(env,'OPENGL','USE_OPENGL')
appendVal(env,'ARCHFLAGS','CCFLAGS') # for both C and C++
appendVal(env,'OPTIMIZE', 'CCFLAGS', val=' -O3')
appendVal(env,'DEBUG', 'CCFLAGS', val=' -ggdb')
# setup search path for Lumiera plugins
appendCppDefine(env,'PKGLIBDIR','LUMIERA_PLUGIN_PATH=\\"$PKGLIBDIR/:ORIGIN/modules\\"'
,'LUMIERA_PLUGIN_PATH=\\"ORIGIN/modules\\"')
appendCppDefine(env,'PKGDATADIR','LUMIERA_CONFIG_PATH=\\"$PKGLIBDIR/:.\\"'
,'LUMIERA_CONFIG_PATH=\\"$DESTDIR/share/lumiera/:.\\"')
prepareOptionsHelp(vars,env)
vars.Save(OPTCACHE, env)
return env
def appendCppDefine(env,var,cppVar, elseVal=''):
if env[var]:
env.Append(CPPDEFINES = env.subst(cppVar) )
elif elseVal:
env.Append(CPPDEFINES = env.subst(elseVal))
def appendVal(env,var,targetVar,val=None):
if env[var]:
env.Append( **{targetVar: env.subst(val) or env[var]})
def handleNoBugSwitches(env):
""" set the build level for NoBug.
Release builds imply no DEBUG
whereas ALPHA and BETA require DEBUG
"""
level = env['BUILDLEVEL']
if level in ['ALPHA', 'BETA']:
if not env['DEBUG']:
print 'Warning: NoBug ALPHA or BETA builds requires DEBUG=yes, switching DEBUG on!'
env.Replace( DEBUG = 1 )
env.Append(CPPDEFINES = 'EBUG_'+level)
elif level == 'RELEASE':
env.Replace( DEBUG = 0 )
def handleVerboseMessages(env):
""" toggle verbose build output """
if not env['VERBOSE']:
# SetOption('silent', True)
env['CCCOMSTR'] = env['SHCCCOMSTR'] = " Compiling $SOURCE"
env['CXXCOMSTR'] = env['SHCXXCOMSTR'] = " Compiling++ $SOURCE"
env['LINKCOMSTR'] = " Linking --> $TARGET"
env['LDMODULECOMSTR'] = " creating module [ $TARGET ]"
def defineCmdlineVariables():
""" several toggles and configuration variables can be set on the commandline,
current settings will be persisted in a options cache file.
you may define custom variable settings in a separate file.
Commandline will override both.
"""
vars = Variables([OPTCACHE, CUSTOPTFILE])
vars.AddVariables(
('ARCHFLAGS', 'Set architecture-specific compilation flags (passed literally to gcc)','')
,('CC', 'Set the C compiler to use.', 'gcc')
,('CXX', 'Set the C++ compiler to use.', 'g++')
,PathVariable('CCACHE', 'Integrate with CCache', '', PathVariable.PathAccept)
,PathVariable('DISTCC', 'Invoke C/C++ compiler commands through DistCC', '', PathVariable.PathAccept)
,EnumVariable('BUILDLEVEL', 'NoBug build level for debugging', 'ALPHA', allowed_values=('ALPHA', 'BETA', 'RELEASE'))
,BoolVariable('DEBUG', 'Build with debugging information and no optimisations', False)
,BoolVariable('OPTIMIZE', 'Build with strong optimisation (-O3)', False)
,BoolVariable('VALGRIND', 'Run Testsuite under valgrind control', True)
,BoolVariable('VERBOSE', 'Print full build commands', False)
,('TESTSUITES', 'Run only Testsuites matching the given pattern', '')
# ,BoolVariable('OPENGL', 'Include support for OpenGL preview rendering', False)
# ,EnumVariable('DIST_TARGET', 'Build target architecture', 'auto',
# allowed_values=('auto', 'i386', 'i686', 'x86_64' ), ignorecase=2)
,PathVariable('PREFIX', 'Installation dir prefix', 'usr/local', PathVariable.PathAccept)
,PathVariable('INSTALLDIR', 'Root output directory for install. Final installation will happen in INSTALLDIR/PREFIX/... ', '/', PathVariable.PathIsDir)
,PathVariable('PKGLIBDIR', 'Installation dir for plugins, defaults to PREFIX/lib/lumiera/modules', '',PathVariable.PathAccept)
,PathVariable('PKGDATADIR', 'Installation dir for default config, usually PREFIX/share/lumiera', '',PathVariable.PathAccept)
)
return vars
def prepareOptionsHelp(vars,env):
prelude = """
USAGE: scons [-c] [OPTS] [key=val [key=val...]] [TARGETS]
Build and optionally install Lumiera.
Without specifying any target, just the (re)build target will run.
Add -c to the commandline to clean up anything a given target would produce
Special Targets:
build : just compile and link
research: build experimental code (might fail)
testcode: additionally compile the Testsuite
check : build and run the Testsuite
doc : generate documentation (Doxygen)
all : build and testcode and doc
install : install created artifacts at PREFIX
Configuration Options:
"""
Help(prelude + vars.GenerateHelpText(env))
def configurePlatform(env):
""" locate required libs.
setup platform specific options.
Abort build in case of failure.
"""
conf = env.Configure()
# run all configuration checks in the given env
# Perform checks for prerequisites --------------------------------------------
problems = []
if not conf.TryAction('pkg-config --version > $TARGET')[0]:
problems.append('We need pkg-config for including library configurations, exiting.')
if not conf.CheckLibWithHeader('m', 'math.h','C'):
problems.append('Did not find math.h / libm.')
if not conf.CheckLibWithHeader('dl', 'dlfcn.h', 'C'):
problems.append('Functions for runtime dynamic loading not available.')
if not conf.CheckLibWithHeader('pthread', 'pthread.h', 'C'):
problems.append('Did not find the pthread lib or pthread.h.')
else:
conf.env.Append(CPPFLAGS = ' -DHAVE_PTHREAD')
conf.env.Append(CCFLAGS = ' -pthread')
if conf.CheckCHeader('execinfo.h'):
conf.env.Append(CPPFLAGS = ' -DHAVE_EXECINFO_H')
if conf.CheckCHeader('valgrind/valgrind.h'):
conf.env.Append(CPPFLAGS = ' -DHAVE_VALGRIND_H')
else:
print 'Valgrind not found. The use of Valgrind is optional; building without.'
if not conf.CheckPkgConfig('nobugmt', 201006.1):
problems.append('Did not find NoBug [http://www.lumiera.org/nobug_manual.html].')
else:
conf.env.mergeConf('nobugmt')
if not conf.CheckCXXHeader('tr1/memory'):
problems.append('We rely on the std::tr1 standard C++ extension for shared_ptr.')
if not conf.CheckCXXHeader('boost/config.hpp'):
problems.append('We need the C++ boost-libraries.')
else:
if not conf.CheckCXXHeader('boost/scoped_ptr.hpp'):
problems.append('We need boost::scoped_ptr (scoped_ptr.hpp).')
if not conf.CheckCXXHeader('boost/format.hpp'):
problems.append('We need boost::format (header).')
if not conf.CheckLibWithHeader('boost_program_options-mt','boost/program_options.hpp','C++'):
problems.append('We need boost::program_options (including binary lib for linking).')
if not conf.CheckLibWithHeader('boost_system-mt','boost/system/error_code.hpp','C++'):
problems.append('We need the boost::system support library (including binary lib).')
if not conf.CheckLibWithHeader('boost_filesystem-mt','boost/filesystem.hpp','C++'):
problems.append('We need the boost::filesystem lib (including binary lib for linking).')
if not conf.CheckLibWithHeader('boost_regex-mt','boost/regex.hpp','C++'):
problems.append('We need the boost regular expression lib (incl. binary lib for linking).')
if conf.CheckLib(symbol='clock_gettime'):
print 'Using function clock_gettime() as defined in the C-lib...'
else:
if not conf.CheckLib(symbol='clock_gettime', library='rt'):
problems.append('No library known to provide the clock_gettime() function.')
if not conf.CheckPkgConfig('gavl', 1.0):
problems.append('Did not find Gmerlin Audio Video Lib [http://gmerlin.sourceforge.net/gavl.html].')
else:
conf.env.mergeConf('gavl')
if not conf.CheckPkgConfig('gtkmm-2.4', 2.8):
problems.append('Unable to configure GTK--')
if not conf.CheckPkgConfig('glibmm-2.4', '2.16'):
problems.append('Unable to configure Lib glib--')
if not conf.CheckPkgConfig('gthread-2.0', '2.12.4'):
problems.append('Need gthread support lib for glib-- based thread handling.')
if not conf.CheckPkgConfig('cairomm-1.0', 0.6):
problems.append('Unable to configure Cairo--')
verGDL = '2.27.1'
if not conf.CheckPkgConfig('gdl-1.0', verGDL, alias='gdl'):
print 'No sufficiently recent (>=%s) version of GDL found. Maybe use custom package gdl-lum?' % verGDL
if not conf.CheckPkgConfig('gdl-lum', verGDL, alias='gdl'):
problems.append('GNOME Docking Library not found. We either need a sufficiently recent GDL '
'version (>=%s), or the custom package "gdl-lum" from Lumiera.org.' % verGDL)
if not conf.CheckPkgConfig('librsvg-2.0', '2.18.1'):
problems.append('Need rsvg Library for rendering icons.')
if not conf.CheckCHeader(['X11/Xutil.h', 'X11/Xlib.h'],'<>'):
problems.append('Xlib.h and Xutil.h required. Please install libx11-dev.')
if not conf.CheckPkgConfig('xv') : problems.append('Need libXv...')
if not conf.CheckPkgConfig('xext'): problems.append('Need libXext.')
# report missing dependencies
if problems:
print "*** unable to build due to the following problems:"
for isue in problems:
print " * %s" % isue
print
print "build aborted."
Exit(1)
print "** Gathered Library Info: %s" % conf.env.libInfo.keys()
# create new env containing the finished configuration
return conf.Finish()
def defineSetupTargets(env, artifacts):
""" build operations and targets to be done /before/ compiling.
things like creating a source tarball or preparing a version header.
"""
pass ## currently none
def defineBuildTargets(env, artifacts):
""" define the source file/dirs comprising each artifact to be built.
setup sub-environments with special build options if necessary.
We use a custom function to declare a whole tree of srcfiles.
"""
# define Icons to render and install
vector_icon_dir = env.subst(env.path.srcIcon+'svg')
prerendered_icon_dir = env.subst(env.path.srcIcon+'prerendered')
print "ICON: vector_icon_dir=%s prerendered=%s" % (vector_icon_dir,prerendered_icon_dir)
artifacts['icons'] = ( [env.IconRender(f) for f in scanSubtree(vector_icon_dir, ['*.svg'])]
+ [env.IconResource(f) for f in scanSubtree(prerendered_icon_dir, ['*.png'])]
)
#define Configuration files to install
artifacts['config'] = ( env.ConfigData(env.path.srcConf+'setup.ini', targetDir='$ORIGIN')
+ env.ConfigData(env.path.srcConf+'dummy_lumiera.ini')
)
# call subdir SConscript(s) for independent components
SConscript(dirs=['src','src/tool','research','tests'], exports='env artifacts')
def definePostBuildTargets(env, artifacts):
""" define further actions after the core build (e.g. Documentation).
define alias targets to trigger the installing.
"""
build = env.Alias('build', ( artifacts['lumiera']
+ artifacts['plugins']
+ artifacts['tools']
+ artifacts['gui']
))
# additional files to be cleaned when cleaning 'build'
env.Clean ('build', [ 'scache.conf', '.sconf_temp', '.sconsign.dblite', 'config.log' ])
env.Clean ('build', [ 'src/pre.gch' ])
doxydoc = artifacts['doxydoc'] = env.Doxygen('doc/devel/Doxyfile')
env.Alias ('doc', doxydoc)
env.Clean ('doc', doxydoc + ['doc/devel/,doxylog','doc/devel/warnings.txt'])
env.Alias ('all', build+artifacts['testsuite']+doxydoc)
env.Default('build')
# SCons default target
def defineInstallTargets(env, artifacts):
""" define additional artifacts to be installed into target locations.
@note: we use customised SCons builders defining install targets
for all executables automatically. see LumieraEnvironment.py
"""
env.SymLink('$DESTDIR/bin/lumiera',env.path.installExe+'lumiera','../lib/lumiera/lumiera')
# env.Install(dir = '$DESTDIR/share/doc/lumiera$VERSION/devel', source=artifacts['doxydoc'])
env.Alias('install', artifacts['gui'])
env.Alias('install', '$DESTDIR')
#####################################################################
### === MAIN === ####################################################
env = setupBasicEnvironment(localDefinitions)
if not (isCleanupOperation(env) or isHelpRequest()):
env = configurePlatform(env)
artifacts = {}
# the various things we build.
# Each entry actually is a SCons-Node list.
# Passing these entries to other builders defines dependencies.
# 'lumiera' : the App
# 'gui' : the GTK UI (plugin)
# 'plugins' : plugin shared lib
# 'tools' : small tool applications (e.g mpegtoc)
defineSetupTargets(env, artifacts)
defineBuildTargets(env, artifacts)
definePostBuildTargets(env, artifacts)
defineInstallTargets(env, artifacts)
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