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# Defines the building blocks of openMSX and their dependencies.
class Component(object):
niceName = None
makeName = None
dependsOn = None
@classmethod
def canBuild(cls, probeVars):
return all(
probeVars.get('HAVE_%s_H' % makeName) and
probeVars.get('HAVE_%s_LIB' % makeName)
for makeName in cls.dependsOn
)
class EmulationCore(Component):
niceName = 'Emulation core'
makeName = 'CORE'
dependsOn = ('SDL2', 'SDL2_TTF', 'FREETYPE', 'PNG', 'TCL', 'ZLIB')
class GLRenderer(Component):
niceName = 'GL renderer'
makeName = 'GL'
dependsOn = ('GL', 'GLEW')
class Laserdisc(Component):
niceName = 'Laserdisc'
makeName = 'LASERDISC'
dependsOn = ('OGG', 'VORBIS', 'THEORA')
class ALSAMIDI(Component):
niceName = 'ALSA MIDI'
makeName = 'ALSAMIDI'
dependsOn = ('ALSA', )
def iterComponents():
'''Iterates through all components of openMSX.
'''
yield EmulationCore
yield GLRenderer
yield Laserdisc
yield ALSAMIDI
def iterBuildableComponents(probeVars):
'''Iterates through those components of openMSX that can be built
on the probed system.
'''
for component in iterComponents():
if component.canBuild(probeVars):
yield component
def requiredLibrariesFor(components):
'''Compute the library packages required to build the given components.
Only the direct dependencies from openMSX are included, not dependencies
between libraries.
Returns a set of Make names.
'''
return set(
makeName
for comp in components
for makeName in comp.dependsOn
)
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