build: initialize building system
diff --git a/ndn-group-encrypt.pc.in b/ndn-group-encrypt.pc.in
new file mode 100644
index 0000000..cfffa55
--- /dev/null
+++ b/ndn-group-encrypt.pc.in
@@ -0,0 +1,9 @@
+prefix=@PREFIX@
+libdir=@LIBDIR@
+includedir=@INCLUDEDIR@
+
+Name: ndn-group-encrypt
+Description: ndn-group-encrypt library
+Version: @VERSION@
+Libs: -L${libdir}
+Cflags: -I${includedir}