dwm build options:
CFLAGS   = -std=c99 -pedantic -Wall -Wno-deprecated-declarations -Os -I/usr/X11R6/include -I/usr/include/freetype2 -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_POSIX_C_SOURCE=2 -DVERSION="6.2" -DXINERAMA
LDFLAGS  = -L/usr/X11R6/lib -lX11 -lXinerama -lfontconfig -lXft
CC       = cc