Import('RTT_ROOT') Import('rtconfig') from building import * src = Split(''' png.c pngerror.c pnggccrd.c pngget.c pngmem.c pngpread.c pngread.c pngrio.c pngrtran.c pngrutil.c pngset.c pngtrans.c pngvcrd.c pngwio.c pngwrite.c pngwtran.c pngwutil.c ''') CPPPATH = [RTT_ROOT + '/components/rtgui/common/libpng'] group = DefineGroup('libpng', src, depend = ['RTGUI_IMAGE_PNG'], CPPPATH = CPPPATH) Return('group')