diff -up rasterview-1.7.1/configure.ac.fltk rasterview-1.7.1/configure.ac
--- rasterview-1.7.1/configure.ac.fltk	2018-08-13 10:01:28.284357168 +0100
+++ rasterview-1.7.1/configure.ac	2018-08-13 10:01:43.687446448 +0100
@@ -69,7 +69,7 @@ if test "x$FLTKCONFIG" = x; then
 	AC_MSG_ERROR([Sorry, rasterview requires FLTK 1.1.x or later.])
 else
 	CXXFLAGS="`$FLTKCONFIG --use-images --cflags` $CXXFLAGS"
-	LIBS="`$FLTKCONFIG --use-images --ldflags` `$FLTKCONFIG --use-images --libs` $LIBS"
+	LIBS="`$FLTKCONFIG --use-images --ldflags` $LIBS"
 	if test $uname = Darwin; then
 		LIBS="$LIBS -framework AppKit -framework Foundation"
 	fi
diff -up rasterview-1.7.1/configure.fltk rasterview-1.7.1/configure
--- rasterview-1.7.1/configure.fltk	2018-08-13 10:01:50.621486640 +0100
+++ rasterview-1.7.1/configure	2018-08-13 10:02:00.399543318 +0100
@@ -3089,7 +3089,7 @@ if test "x$FLTKCONFIG" = x; then
 	as_fn_error $? "Sorry, rasterview requires FLTK 1.1.x or later." "$LINENO" 5
 else
 	CXXFLAGS="`$FLTKCONFIG --use-images --cflags` $CXXFLAGS"
-	LIBS="`$FLTKCONFIG --use-images --ldflags` `$FLTKCONFIG --use-images --libs` $LIBS"
+	LIBS="`$FLTKCONFIG --use-images --ldflags` $LIBS"
 	if test $uname = Darwin; then
 		LIBS="$LIBS -framework AppKit -framework Foundation"
 	fi