Ichthyostega
944b7c4dd4
WARNING: breakes build on Debian/stable Explanation: I tried to provide a backported implementtation of features introduced with SCons 1.0 (until we can require SCons 1.0 officially) Unfortionately, some internal APIs changed quite large in 0.97 Have to build in some conditional code, so it works with SCons 0.96 again)
101 lines
3.7 KiB
Python
101 lines
3.7 KiB
Python
# -*- python -*-
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##
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## LumieraEnvironment.py - custom SCons Environment
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##
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# Copyright (C) Lumiera.org
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# 2008, Hermann Vosseler <Ichthyostega@web.de>
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of
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# the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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#####################################################################
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from SCons.SConf import SConfBase
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from SCons.Environment import Environment
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from Buildhelper import *
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class LumieraEnvironment(Environment):
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""" Custom SCons build environment for Lumiera
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This allows us to carry structured config data without
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using global vars. Idea inspired by Ardour.
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"""
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def __init__(self,*args,**kw):
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Environment.__init__ (self,*args,**kw)
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self.libInfo = {}
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def Configure (self, *args, **kw):
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kw['env'] = self
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return apply(LumieraConfigContext, args, kw)
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def mergeConf (self,other):
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""" extract the library/compiler flags from other Environment.
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Optionally accepts a list or just sting(s) representing keys
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in our own libInfo Dictionary
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"""
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if isinstance(other, list):
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for elm in other:
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self.mergeConf(elm)
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elif isinstance(other, str):
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if other in self.libInfo:
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self.mergeConf(self.libInfo[other])
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else:
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self.Append (LIBS = other.get ('LIBS',[]))
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self.Append (LIBPATH = other.get ('LIBPATH', []))
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self.Append (CPPPATH = other.get('CPPPATH', []))
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self.Append (LINKFLAGS = other.get('LINKFLAGS', []))
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return self
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def addLibInfo (self, libID, minVersion=0):
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""" use pkg-config to create an Environment describing the lib.
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Don't add this defs to the current Environment, rather store
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them in the libInfo Dictionary.
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"""
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minVersion = str(minVersion)
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if 0 != os.system('pkg-config --print-errors --exists "%s >= %s"' % (libID,minVersion)):
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print "Problems configuring the Library %s (>= %s)" % (libID,minVersion)
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return False
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self.libInfo[libID] = libInfo = LumieraEnvironment()
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libInfo.ParseConfig ('pkg-config --cflags --libs '+ libID )
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return libInfo
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# def Glob (self, pattern):
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# """ temporary workaround; newer versions of SCons provide this as a global function """
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# pattern = self.subst(pattern)
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# return glob.glob(pattern)
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# def AddMethod (self, function):
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# """ temporary workaround; newer versions of SCons provide this as a global function """
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# self.__dict__[function.__name__] = function.__get__(self)
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class LumieraConfigContext(SConfBase):
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""" Extends the SCons Configure context with some convenience methods
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"""
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def __init__(self, *args,**kw):
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SConfBase.__init__(self,*args,**kw)
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def CheckPkgConfig (self, libID, minVersion=0):
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print "Checking for library configuration: %s " % libID
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# self.Message(self,"Checking for library configuration: %s " % libID)
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return self.env.addLibInfo (libID, minVersion)
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