diff -Naur iscan-2.25.0.orig//backend/Makefile.am iscan-2.25.0/backend/Makefile.am
--- iscan-2.25.0.orig//backend/Makefile.am	2010-05-19 07:51:55.000000000 +0200
+++ iscan-2.25.0/backend/Makefile.am	2010-07-21 22:49:08.579705272 +0200
@@ -56,7 +56,6 @@
 
 libepkowa_la_CPPFLAGS = \
 	$(AM_CPPFLAGS) \
-	$(LTDLINCL) \
 	-I$(top_srcdir)/include \
 	-I$(top_srcdir)/non-free \
 	$(XML_CFLAGS) \
@@ -66,7 +65,7 @@
 libepkowa_la_LIBADD = \
 	-lm \
 	$(XML_LIBS) \
-	$(LIBLTDL)
+	-lltdl
 libepkowa_la_SOURCES = \
 	$(sane_backends_files) \
 	marshal.c \
diff -Naur iscan-2.25.0.orig//configure.ac iscan-2.25.0/configure.ac
--- iscan-2.25.0.orig//configure.ac	2010-07-21 22:48:11.411332268 +0200
+++ iscan-2.25.0/configure.ac	2010-07-21 22:49:58.918332411 +0200
@@ -261,13 +261,10 @@
 dnl  The somewhat obscure LT_AC_PROG_SED is here to make sure that the
 dnl  SED environment variable gets set before it's used by the libtool
 dnl  machinery.  This works around buggy libtool versions.
-LT_AC_PROG_SED
-AC_LIBLTDL_INSTALLABLE
-AC_LIBTOOL_DLOPEN
 AC_PROG_LIBTOOL
-AC_LIB_LTDL
-AC_SUBST(LTDLINCL)
-AC_SUBST(LIBLTDL)
+AC_LTDL_SHLIBPATH
+AC_LTDL_SHLIBEXT
+AC_LTDL_SYSSEARCHPATH
 
 
 dnl  Graphic file format options
diff -Naur iscan-2.25.0.orig//frontend/Makefile.am iscan-2.25.0/frontend/Makefile.am
--- iscan-2.25.0.orig//frontend/Makefile.am	2010-05-19 07:51:54.000000000 +0200
+++ iscan-2.25.0/frontend/Makefile.am	2010-07-21 22:50:53.965581385 +0200
@@ -34,7 +34,7 @@
 iscan_LDADD = \
 	$(top_builddir)/lib/libimage-stream.la \
 	-lsane \
-	@LIBLTDL@ \
+	-lltdl \
 	@GTK_LIBS@ \
 	@GDK_IMLIB_LIBS@ \
 	$(top_builddir)/non-free/libesmod.so
diff -Naur iscan-2.25.0.orig//lib/Makefile.am iscan-2.25.0/lib/Makefile.am
--- iscan-2.25.0.orig//lib/Makefile.am	2010-05-19 07:51:56.000000000 +0200
+++ iscan-2.25.0/lib/Makefile.am	2010-07-21 22:51:29.794329919 +0200
@@ -29,7 +29,7 @@
 libimage_stream_la_CPPFLAGS = -I$(top_srcdir)/include
 libimage_stream_la_LDFLAGS = -static
 libimage_stream_la_LIBADD  = \
-	$(LIBLTDL) \
+	-lltdl \
 	$(top_builddir)/lib/pdf/libpdf.la
 libimage_stream_la_SOURCES = \
 	$(libimage_stream_la_files)