screen 4.0.2 build on cygwin chokes

[Rashid Butte]

trying to build screen 4.0.2 on cygwin on Win2K
run configure, no problem.
run make:

CPP="gcc -E " srcdir=. sh ./osdef.sh
AWK=gawk CC="gcc -g -O2" srcdir=. sh ./comm.sh
gcc -c -I. -I.    -g -O2 screen.c
gcc -c -I. -I.    -g -O2 ansi.c
gcc -c -I. -I.    -g -O2 fileio.c
gcc -c -I. -I.    -g -O2 mark.c
gcc -c -I. -I.    -g -O2 misc.c
misc.c: In function `xsetenv':
misc.c:619: error: too few arguments to function `setenv'
make: *** [misc.o] Error 1

Ideas?

Thanks in advance...