diff --git a/config.mk b/config.mk
new file mode 100644
index 0000000..d484304
--- /dev/null
+++ b/config.mk
@@ -0,0 +1,23 @@
+
+VERSION="0.3"
+
+# paths
+PREFIX = /usr/local
+MANPREFIX = ${PREFIX}/share/man
+
+# includes and libs
+INCS = -I. -I/usr/include
+
+# BSD
+#LIBS = -L/usr/lib -lc
+# Linux
+LIBS = -L/usr/lib -lc -lbsd
+
+# flags
+CPPFLAGS = -DVERSION=\"${VERSION}\"
+CFLAGS += -g -std=c99 -pedantic -Wall -Wvariadic-macros -Os ${INCS} ${CPPFLAGS}
+LDFLAGS += -g ${LIBS}
+
+# compiler and linker
+# CC = cc
+