make[1]: Entering directory '/cygdrive/c/Users/thorsten/Desktop/cmatrix-master'
gcc -DHAVE_CONFIG_H -I.     -g -O2 -MT cmatrix.o -MD -MP -MF .deps/cmatrix.Tpo -c -o cmatrix.o cmatrix.c
cmatrix.c: In function 'resize_screen':
cmatrix.c:253:10: error: lvalue required as left operand of assignment
     COLS = win.ws_col;
          ^
cmatrix.c:254:11: error: lvalue required as left operand of assignment
     LINES = win.ws_row;
           ^
cmatrix.c:257:15: error: lvalue required as left operand of assignment
         LINES = 10;
               ^
cmatrix.c:260:14: error: lvalue required as left operand of assignment
         COLS = 10;
              ^
make[1]: *** [Makefile:425: cmatrix.o] Error 1
make[1]: Leaving directory '/cygdrive/c/Users/thorsten/Desktop/cmatrix-master'
make: *** [Makefile:315: all] Error 2