[plt-scheme] Can't build PLT Scheme

Is anyone else seeing this?
Mac OS X Version 10.3.9



g++  -I../../../wxmac/src/../../mzscheme/gc 
-I../../../wxmac/src/../../wxmac/include/base 
-I../../../wxmac/src/../../wxmac/include/mac 
-I../../../wxmac/src/../../wxcommon 
-I../../../wxmac/src/../../mred/wxme/ -I./../../mzscheme/ 
-I../../../wxmac/src/../../mzscheme/include/ -fno-common  
-fpascal-strings -DOPERATOR_NEW_ARRAY -Dwx_mac  -Wall  -g -O2 -fno-rtti 
-fpermissive  -DOS_X -MMD -DWX_CARBON 
-I../../../wxmac/src/../contrib/wxxpm/libxpm.34b/lib 
-I../../../wxmac/src/../../a-list/c-headers/ 
-I../../../wxmac/src/../utils/image/src  -o wx_app.o -c 
../../../wxmac/src/mac/wx_app.cc
../../../wxmac/src/mac/wx_app.cc: In member function `void
    wxApp::doMacMouseDown()':
../../../wxmac/src/mac/wx_app.cc:321: error: `SysBeep' undeclared 
(first use
    this function)
../../../wxmac/src/mac/wx_app.cc:321: error: (Each undeclared 
identifier is
    reported only once for each function it appears in.)
make[4]: *** [wx_app.o] Error 1
make[3]: *** [wx_mac] Error 2
make[2]: *** [all] Error 2
make[1]: *** [mr] Error 2
make: *** [all] Error 2
~/plt-exp/src/build$