Index: config.mk.def
--- config.mk.def.orig
+++ config.mk.def
@@ -2,7 +2,6 @@
 # copyright 2015 Rob King <jking@deadpixi.com>
 
 # CC is the C compiler to use
-CC=gcc
 CFLAGS?=
 CFLAGS+=-std=c99
 
@@ -11,23 +10,23 @@ CFLAGS+=-std=c99
 # environment.
 #
 # Mac OS X users need to add -D_DARWIN_C_SOURCE here.
-STANDARDS=-D_POSIX_C_SOURCE=200809L -D_XOPEN_SOURCE=500
+STANDARDS=-D_POSIX_C_SOURCE=200809L
 
 # DESTDIR is the root of the installation tree
-DESTDIR?=/usr/local
+# DESTDIR?=/usr/local
 
 # BINDIR is the directory where binaries go
-BINDIR?=$(DESTDIR)/bin
+BINDIR?=${PREFIX}/bin
 
 # MANDIR is where manual pages go
-MANDIR?=$(DESTDIR)/share/man/
+MANDIR?=${PREFIX}/man/
 
 # Add additional include and library directories
 # BSD/Mac OS X users might need to add something like
-# INCLUDES=-I/usr/X11R6/include -I/usr/X11R6/include/freetype2
-# LDFLAGS=-L/usr/X11R6/lib
-INCLUDES=-I/usr/include/freetype2
-LDFLAGS=
+INCLUDES=-I${X11BASE}/include -I${X11BASE}/include/freetype2
+LDFLAGS=-L${X11BASE}/lib
+#INCLUDES=-I/usr/include/freetype2
+#LDFLAGS=
 
 # Set this to your default remote shell.
 RXPATH=/usr/bin/ssh