Hello Stephen£¬ >> /usr/share/bison.simple:761: virtual memory exhausted > >There is a FAQ entry for exactly this symptom. There is also a statement >in the cygwin.txt file about how to deal with it. Basically, > > make CXXFLAGS='' parse.o > make > I do it according "cygwin.txt". New question appears: ==================================================== .. ... cd vpi ; make all make[1]: Entering directory `/tmp/verilog-20001119/vpi' gcc -shared -o system.vpi sys_table.o sys_display.o sys_finish.o sys_random.o sys_readmem.o sys_readmem_lex.o sys_time.o sys_vcd.o -Wl,--enable-auto-image-base -L../vvm -lvvm -lvpip Cannot export _bss_end__: symbol not defined Cannot export _bss_start__: symbol not defined Cannot export _data_end__: symbol not defined Cannot export _data_start__: symbol not defined collect2: ld returned 1 exit status make[1]: *** [system.vpi] Error 1 make[1]: Leaving directory `/tmp/verilog-20001119/vpi' make: *** [all] Error 2 ==================================================== thanks in advance. -- zhang tao [EMAIL PROTECTED] -- Want to unsubscribe from this list? Send a message to [EMAIL PROTECTED]