ncurses doesn't build on MinGW

[Photosounder]

I tried building libcaca on MinGW with only ncurses enabled and I'm getting this:

driver/ncurses.c: In function 'ncurses_init_graphics':
driver/ncurses.c:245:12: error: 'SIGWINCH' undeclared (first use in this function); did you mean 'SIGINT'?
  245 |     signal(SIGWINCH, sigwinch_handler);
      |            ^~~~~~~~
      |            SIGINT
driver/ncurses.c:245:12: note: each undeclared identifier is reported only once for each function it appears in
driver/ncurses.c: In function 'ncurses_handle_resize':
driver/ncurses.c:401:20: error: storage size of 'size' isn't known
  401 |     struct winsize size;
      |                    ^~~~
driver/ncurses.c:401:20: warning: unused variable 'size' [-Wunused-variable]
driver/ncurses.c: In function 'sigwinch_handler':
driver/ncurses.c:601:12: error: 'SIGWINCH' undeclared (first use in this function); did you mean 'SIGINT'?
  601 |     signal(SIGWINCH, sigwinch_handler);
      |            ^~~~~~~~
      |            SIGINT

I used this:

./configure --disable-shared --enable-static --disable-kernel --disable-slang --enable-ncurses --disable-win32 --disable-conio --disable-x11 --disable-gl --disable-cocoa --enable-network --disable-vga --disable-csharp --disable-java --disable-imlib2 --disable-debug --disable-profiling --disable-plugins --disable-doc
make