--- Makefile.orig 2016-08-05 12:37:12.000000000 -0500
+++ Makefile 2016-10-19 20:40:06.000000000 -0500
CFLAGS+=$(shell sh cflags.sh)
-DEFAULT_LIBS=-L/usr/X11R6/lib -L/usr/local/lib -lX11 -lXtst -lXinerama -lxkbcommon
-DEFAULT_INC=-I/usr/X11R6/include -I/usr/local/include
+DEFAULT_LIBS=-L$(PREFIX)/lib -lX11 -lXtst -lXinerama -lxkbcommon
+DEFAULT_INC=-I$(PREFIX)/include
XDOTOOL_LIBS=$(shell pkg-config --libs x11 2> /dev/null || echo "$(DEFAULT_LIBS)") $(shell sh platform.sh extralibs)
LIBXDO_LIBS=$(shell pkg-config --libs x11 xtst xinerama xkbcommon 2> /dev/null || echo "$(DEFAULT_LIBS)")