dryice/SConstruct

   1 deps = {'libogg':{'libs':('ogg',),
   2                     'headers':('ogg/ogg.h', 'ogg/os_types.h')},
   3         'libvorbis':{'libs':('vorbis',),
   4                      'headers':('vorbis/codec.h', 'vorbis/vorbisenc.h',
   5                                 'vorbis/vorbisfile.h')},
   6         'libtheora':{'libs':('theora',),
   7                      'headers':('theora/theora.h',)},
   8         'libshout':{'libs':('shout',),
   9                     'headers':('shout/shout.h',)},
  10         'v4l':{'headers':('linux/videodev.h',)},
  11         'jpeg':{'libs':('jpeg',),
  12                 'headers':('jpeglib.h',)}}
  13
  14 libs = []
  15 cpppath = ['include']
  16
  17 modules = ['null_cam', 'v4l_jpeg']
  18 modulesrcs = {'null_cam':['modules/null_cam.c'] ,
  19               'v4l_jpeg':['modules/v4l_jpeg.c']}
  20 moduledeps = {'null_cam':(),
  21               'v4l_jpeg':('v4l', 'jpeg')}
  22 modulelibs = {'null_cam':[],
  23               'v4l_jpeg':[]}
  24
  25 #########################################################################
  26 #            Shouldn't have to edit anything below this line            #
  27 #########################################################################
  28
  29 def checkdeps(ds, l, checks):
  30   for dep in ds :
  31     for check in checks:
  32       if deps[dep].has_key(check) :
  33         for test in deps[dep][check] :
  34           if not checks[check](test) :
  35             return test
  36           if check == 'libs' : l.append(test)
  37   return None
  38
  39 def configure():
  40   global env
  41   conf = Configure(env)
  42   checks = {'funcs':conf.CheckFunc,
  43             'libs':conf.CheckLib,
  44             'headers':conf.CheckCHeader}
  45   test = checkdeps(('libogg','libvorbis','libtheora','libshout'),
  46                    libs, checks)
  47   if test:
  48     print 'Could not find %s, exiting.' % test
  49     Exit(1)
  50   for module in modules:
  51     test = checkdeps(moduledeps[module], modulelibs[module], checks)
  52     if test:
  53       print 'Could not find %s, not building %s module' % (test, module)
  54       modules.remove(module)
  55   env = conf.Finish()
  56
  57 def saveconfig():
  58   f = open('config.cache','w')
  59   f.write('libs=%s\n' % str(libs))
  60   f.write('cpppath=%s\n' % str(cpppath))
  61   f.write('modules=%s\n' % str(modules))
  62   f.close()
  63
  64 def loadconfig():
  65   # There has *GOT* to be a simpler way to do this!
  66   # ... but at least it's more secure.
  67   local_libs = []
  68   local_cpppath = ['include']
  69   local_modules = []
  70   from os.path import exists
  71   if exists('config.cache'):
  72     f = open('config.cache','r')
  73     b = f.read().splitlines()
  74     for l in b:
  75       exec 'local_'+l
  76     f.close()
  77     global libs, cpppath, modules
  78     libs = local_libs
  79     cpppath = local_cpppath
  80     modules = local_modules
  81   else :
  82     configure()
  83
  84 def build():
  85   Program('dryice', 'src/core.c', CPPPATH=cpppath, LIBS=libs)
  86   for module in modules:
  87     SharedLibrary('modules/'+module, modulesrcs[module],
  88             CPPPATH=cpppath, LIBS=modulelibs[module])
  89
  90 env = Environment()
  91 do = ARGUMENTS.get('do', None)
  92
  93 if do=='config' :
  94   configure()
  95   saveconfig()
  96
  97 elif do=='build' :
  98   loadconfig()
  99   build()
 100
 101 else :
 102   configure()
 103   saveconfig()
 104   build()