LYNX-DEV Compilation error on NeXTstep 4.0

[Operator]

cc -DHAVE_CONFIG_H  -I. -I.. -I./chrtrans -I..
-I../WWW/Library/Implementation  -DNEXT -DXMOSAIC_HACK  -c ./UCAuto.c
Linking and creating Lynx executable
cc -DHAVE_CONFIG_H  -I. -I.. -I./chrtrans -I..
-I../WWW/Library/Implementation  -DNEXT -DXMOSAIC_HACK   -o lynx
LYClean.o LYShowInf
o.o LYEdit.o LYStrings.o LYMail.o HTAlert.o GridText.o LYGetFile.o
LYMain.o LYMainLoop.o LYCurses.o LYBookmark.o LYUtils.o LYOptions
.o LYReadCFG.o LYSearch.o LYHistory.o LYForms.o LYPrint.o LYrcFile.o
LYDownload.o LYNews.o LYKeymap.o HTML.o HTFWriter.o HTInit.o De
faultStyle.o LYLocal.o LYUpload.o LYLeaks.o LYexit.o LYJump.o LYList.o
LYCgi.o LYTraversal.o LYEditmap.o LYCharSets.o LYCharUtils.o
LYMap.o LYCookie.o LYExtern.o LYStyle.o LYHash.o  UCdomap.o UCAux.o
UCAuto.o  ../WWW/Library/unix/libwww.a -lncurses
/bin/ld: Undefined symbols:
__echoit
__rawmode
__tty
__tty_ch