def build(bld):
uselib = 'BOOST_THREAD BOOST_DATETIME DCP XMLSEC CXML XMLPP AVFORMAT AVFILTER AVCODEC '
uselib += 'AVUTIL SWSCALE SWRESAMPLE POSTPROC CURL BOOST_FILESYSTEM SSH ZIP CAIROMM FONTCONFIG PANGOMM SUB '
- uselib += 'SNDFILE SAMPLERATE BOOST_REGEX ICU NETTLE RTAUDIO '
+ uselib += 'SNDFILE SAMPLERATE BOOST_REGEX ICU NETTLE RTAUDIO PNG '
if bld.env.TARGET_WINDOWS:
uselib += 'WINSOCK2 DBGHELP SHLWAPI MSWSOCK BOOST_LOCALE WINSOCK2 OLE32 DSOUND WINMM KSUSER '