--- DirectFB-1.7.7/configure.in.orig	2017-12-17 18:38:22.309813442 +0100
+++ DirectFB-1.7.7/configure.in	2017-12-17 18:44:16.376476061 +0100
@@ -2454,11 +2454,12 @@
 
 enable_tslib=no
 if test "$checkfor_tslib" = "yes"; then
-  PKG_CHECK_MODULES([TSLIB], [tslib-1.0 >= 1.0.0], [enable_tslib=yes], [enable_tslib=no])
-  if test "$enable_tslib" = "no"; then
-     PKG_CHECK_MODULES([TSLIB], [tslib-0.0], [enable_tslib=yes], [enable_tslib=no
+  PKG_CHECK_MODULES([TSLIB], [tslib >= 1.0], [enable_tslib=yes],
+  [PKG_CHECK_MODULES([TSLIB], [tslib-1.0 >= 1.0.0], [enable_tslib=yes],
+   [PKG_CHECK_MODULES([TSLIB], [tslib-0.0], [enable_tslib=yes], [enable_tslib=no
        AC_MSG_WARN([*** no tslib -- tslib driver will not be built.])])
-  fi
+   ])
+  ])
 fi
 
 enable_ucb1x00_ts=no