Cannot install lesstif

Hello, while trying to install lesstif: TextOut.c: In function 'FontInit': TextOut.c:369: error: invalid lvalue in assignment TextOut.c:369: error: invalid lvalue in assignment TextOut.c: In function '_XmTextNextX': TextOut.c:937: warning: pointer targets in passing argument 3 of 'XftTextExtents8' differ in signedness TextOut.c: In function '_XmOut_FontTextWidth': TextOut.c:3343: warning: pointer targets in passing argument 3 of 'XftTextExtents8' differ in signedness make[2]: *** [TextOut.lo] Error 1 make[1]: *** [all-recursive] Error 1 make: *** [all-recursive] Error 1 I am using MacPorts V. 1.400 Thanks and bye!