Build environment

Change-Id: I1625f5ccf69d3cb78033439c411df419b9916cb3
diff --git a/libndn-nac.pc.in b/libndn-nac.pc.in
new file mode 100644
index 0000000..6b049ff
--- /dev/null
+++ b/libndn-nac.pc.in
@@ -0,0 +1,9 @@
+prefix=@PREFIX@
+libdir=@LIBDIR@
+includedir=@INCLUDEDIR@
+
+Name: libndn-nac
+Description: NDN Name-Based Access Control library
+Version: @VERSION@
+Libs: -L${libdir} -llibndn-nac
+Cflags: -I${includedir}