CVS checkout builds fine but at runtime it segfaults, this is the backtrace: (gdb) bt full #0 0x0804afc3 in ?? () No symbol table info available. #1 0x00000001 in ?? () No symbol table info available. #2 0xbfd805a4 in ?? () No symbol table info available. #3 0xbfd804e8 in ?? () No symbol table info available. #4 0x08049cb1 in ?? () No symbol table info available. #5 0x4f17fff4 in ?? () from /lib/libc.so.6 No symbol table info available. #6 0xbfd80520 in ?? () No symbol table info available. #7 0x00000000 in ?? () No symbol table info available. I built with these options: scons useDouble=1 usePortAudio=0 usePortMIDI=0 buildCsoundAC=1 useOSC=1 buildCsoundVST=0 buildPythonOpcodes=1 buildStkOpcodes=1 prefix=/usr buildPDClass=1 buildTclcsound=1 buildVirtual=1 buildInterfaces=1 buildCSEditor=1 Previous builds work fine. Cheers, Hector