effect of omitting -bbigtoc flag from AIX linker added by fadein on Tue Aug 13 21:45:41 2013

gcc  -shared -maix64 -maix64 \
          -o libchicken.so library.o eval.o data-structures.o ports.o files.o extras.o lolevel.o utils.o tcp.o srfi-1.o srfi-4.o srfi-13.o srfi-14.o srfi-18.o srfi-69.o posixunix.o irregex.o scheduler.o profiler.o stub.o expand.o modules.o chicken-syntax.o chicken-ffi-syntax.o build-version.o runtime.o -lm -ldl
ld: 0711-781 ERROR: TOC overflow. TOC size: 106456      Maximum size: 65536
collect2: ld returned 12 exit status
make[1]: *** [libchicken.so] Error 1