dmenu build options:
CFLAGS   = -fast -I. -I/usr/include -I/usr/X11R6/include -DVERSION="1.3" -xtarget=ultra
LDFLAGS  = -L/usr/lib -lc -L/usr/X11R6/lib -lX11
CC       = cc
LD       = cc
CC draw.c
CC main.c
CC util.c
LD dmenu