cygwin安装ythtbbs

gcc -O2 -mmmx -msse -mcpu=i686 -march=i686 -pipe -DCONF_HAVE_OPENPTY -Wall -g
-o regimage.exe  regimage.o -lcygipc ../libythtbbs/libythtbbs.a ../ythtlib/libyt
ht.a -lgd -lcygipc
/usr/lib/gcc/i686-pc-cygwin/3.4.4/../../../../i686-pc-cygwin/bin/ld: cannot find
-lgd
collect2: ld returned 1 exit status
make[2]: *** [regimage.exe] Error 1
make[2]: Leaving directory `/home/bbs/bbssrc/nju09'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/home/bbs/bbssrc/nju09'
make: *** [all-recursive] Error 1
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FROM 162.105.0.0