[R] Building R-1.7.0 on cygwin

[Guy Horev]

Dear helpers

I tried to build R-1.7.0 on CygWin. the following errors apeared after 
'make check'

make[1]: Entering directory `/bin/R/R-1.7.0/tests'
make[2]: Entering directory `/bin/R/R-1.7.0/tests'
make[3]: Entering directory `/bin/R/R-1.7.0/tests/Examples'
make[4]: Entering directory `/bin/R/R-1.7.0/tests/Examples'
make[4]: `Makedeps' is up to date.
make[4]: Leaving directory `/bin/R/R-1.7.0/tests/Examples'
make[4]: Entering directory `/bin/R/R-1.7.0/tests/Examples'
make[4]: *** No rule to make target `../../bin/R.bin', needed by 
`base-Ex.Rout'.
  Stop.
make[4]: Leaving directory `/bin/R/R-1.7.0/tests/Examples'
make[3]: *** [test-Examples-Base] Error 2
make[3]: Leaving directory `/bin/R/R-1.7.0/tests/Examples'
make[2]: *** [test-Examples] Error 2
make[2]: Leaving directory `/bin/R/R-1.7.0/tests'
make[1]: *** [test-all-basics] Error 1
make[1]: Leaving directory `/bin/R/R-1.7.0/tests'
make: *** [check] Error 2

Can you please explain what are Error 1 and Error 2?
 I know there are missing tex and Tcl/Tk packages on my CygWin installation
How should I proceed

10X
Guy