# customize below to fit your system
# paths
-PREFIX = /usr/local
-MANPREFIX = ${PREFIX}/share/man
+PREFIX = /usr/local
+MANPREFIX = $(PREFIX)/share/man
X11INC = /usr/X11R6/include
X11LIB = /usr/X11R6/lib
# flags
+CPPFLAGS = -I$(X11INC) -D_DEFAULT_SOURCE
CFLAGS = -std=c99 -pedantic -Wall -Wextra -Os
-LDFLAGS = -s
-LIBS =
+LDFLAGS = -L$(X11LIB) -s
+# OpenBSD: add -lsndio
+LDLIBS = -lX11
+
+# compiler and linker
+CC = cc