--- lcdproc-0.5.7/configure.ac.orig 2014-05-30 12:25:58.038476546 +0100 +++ lcdproc-0.5.7/configure.ac 2014-05-30 12:28:59.544408030 +0100 @@ -314,7 +314,7 @@ if test "$enable_libftdi" = "yes"; then ifdef([PKG_CHECK_MODULES], - [PKG_CHECK_MODULES(LIBFTDI, libftdi >= 0.8, + [PKG_CHECK_MODULES(LIBFTDI, libftdi1 >= 1.0, [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])])