--- wikisrc/pkgsrc/how_to_use_pkgsrc_on_linux.mdwn	2017/03/06 21:55:47	1.7
+++ wikisrc/pkgsrc/how_to_use_pkgsrc_on_linux.mdwn	2017/03/06 22:05:53	1.8
@@ -18,6 +18,7 @@ Before you can use pkgsrc, you may need 
 * libncurses-devel
 * zlib and zlib-devel
 * openssl-devel (optional but required for some packages) 
+* libudev-dev (optional but required for some packages)
 
 The names may vary, depending on what Linux distribution you are using. Also be mindful of the platform you are using (eg. i686 vs. x86_64 - some have different pre-required packages). Also note that some very basic tools such as file, patch, sed, and others are required, as well.