Help!one problem about gcvs compile under solaris7

[scott]

Hi,     I'm a gcvs user.     I attemp install gcvs in Solaris7.But when I compile,some problem occurs and stop compile.     Information is below: c++ -DHAVE_CONFIG_H -I. -I. -I.. -Wall -I/usr/openwin/include -I/usr/local/lib/glib/include -I/usr/local/include -DqUnix -DqGTK -I/usr/openwin/include -DqCvsDebug=0 -g -O2 -c main.cpp main.cpp:2: getopt.h: No such file or directory       How can I fix it?Please help me! Thank you!                                   scott