BLT installation

[root]

I got some problem with installing BLT2.1, the error message is 
as follow, could any one give an answer?
rings -Wall  -I.   -I/usr/X11R6/include 
-Wl,-rpath,/usr/local/blt/lib:/usr/include/../lib:/usr/include/../lib:/usr/X11R6/lib
 \
        ./tkAppInit.c -o bltwish ./src/libBLT.a  -L/usr/include/../lib -ltk4.2 
-L/usr/include/../lib -ltcl7.6 -L/usr/X11R6/lib -lX11 -ldl -lm  
./tkAppInit.c:29: warning: `rcsid' defined but not used
./src/libBLT.a(bltBgexec.o): In function `BgExecCmd':
bltBgexec.o(.text+0x9b5): undefined reference to `Tcl_CreatePipeline'
make: *** [bltwish] Error 1

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