ubuntu@udoobuntu: ~/bspwm $ make
cc -std=c99 -pedantic -Wall -Wextra -I/usr/local/include -D_POSIX_C_SOURCE=200112L -DVERSION=\"0.9\" -Os -c -o bspwm.o bspwm.c
bspwm.c: In function 'check_connection':
bspwm.c:364:9: error: 'XCB_CONN_CLOSED_INVALID_SCREEN' undeclared (first use in this function)
bspwm.c:364:9: note: each undeclared identifier is reported only once for each function it appears in
bspwm.c:367:9: error: 'XCB_CONN_CLOSED_FDPASSING_FAILED' undeclared (first use in this function)
make: *** [bspwm.o] Error 1
when i run make, i get this: