diff -up ./configure.ac.orig ./configure.ac
--- ./configure.ac.orig	2014-08-30 12:10:39.305631837 +0300
+++ ./configure.ac	2014-08-30 12:11:25.936792490 +0300
@@ -314,7 +314,7 @@ AC_MSG_RESULT($enable_libftdi)
 
 if test "$enable_libftdi" = "yes"; then
 	ifdef([PKG_CHECK_MODULES],
-	 	[PKG_CHECK_MODULES(LIBFTDI, libftdi >= 0.8,
+	 	[PKG_CHECK_MODULES(LIBFTDI, libftdi1 >= 0.8,
 			[AC_DEFINE(HAVE_LIBFTDI, [1], [Define to 1 if you have libftdi])],
 			[ enable_libftdi=no ])],
 		[AC_MSG_WARN([pkg-config not (fully) installed; drivers requiring libftdi may not be built])])