r102562 and #34056 wrt 10.5 pango +universal

[Jeremy Lavergne]

>> Can depends_skip_archcheck help?
> 
> This sounds ideal

graphite2+universal (i386, ppc) failed to build (missing symbols, below) with only a native arch cmake (x86_64). I'll try again with an i386 cmake.

Undefined symbols:
  "___floatundisf", referenced from:
      graphite2::SegCache::purge(graphite2::SegCacheStore*)in SegCache.cpp.o
      graphite2::SegCache::cache(graphite2::SegCacheStore*, unsigned short const*, unsigned long, graphite2::Segment*, unsigned long)in SegCache.cpp.o
  "___fixunssfdi", referenced from:
      graphite2::SegCache::purge(graphite2::SegCacheStore*)in SegCache.cpp.o
      graphite2::SegCache::cache(graphite2::SegCacheStore*, unsigned short const*, unsigned long, graphite2::Segment*, unsigned long)in SegCache.cpp.o