Build Failure, cvs on cygwin

Building latest cvs fails under cygwin on XP $ make cd ./lib-src && make all make[1]: Entering directory `/home/ianmac/tmp/xemacs/lib-src' make[1]: Nothing to be done for `all'. make[1]: Leaving directory `/home/ianmac/tmp/xemacs/lib-src' cd ./lwlib && make all make[1]: Entering directory `/home/ianmac/tmp/xemacs/lwlib' make[1]: Nothing to be done for `all'. make[1]: Leaving directory `/home/ianmac/tmp/xemacs/lwlib' cd ./src && make all make[1]: Entering directory `/home/ianmac/tmp/xemacs/src' gcc -c -g -O3 -Wall -Wno-switch -Winline -Wmissing-prototypes -Wsign-compare -Wshadow -Wpointer-arith -Demacs -I. -DHAVE_CONFIG_H -fno-caller-saves -fvtable-thunks -I/usr/X11R6/include sheap.c sheap.c:38: size of array `static_heap_buffer' is negative make[1]: *** [sheap.o] Error 1 make[1]: Leaving directory `/home/ianmac/tmp/xemacs/src' make: *** [src] Error 2 -- Ian