<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> </head> <body bgcolor="#ffffff" text="#000000"> Hi, I am trying to add some file into libX117.2, but when I compiled, I need add some used library into Makefile, for example, add -llayout to variable LIBS which in Makefile. As you known, libX117.2 use auto configure tool to generic Makefile, so I have to modify file configure.ac . But unfortunately I am not a export about auto configure. Could anyone please tell me how to modify configure.ac to make variable LIBS in Makefile be add new libs such lick -llayout? Thanks William </body> </html>