diff -Nrup a/Makefile.in b/Makefile.in
--- a/Makefile.in	2019-03-17 10:53:54.000000000 +0100
+++ b/Makefile.in	2019-04-14 08:34:20.071459534 +0200
@@ -278,7 +278,7 @@ LDFLAGS = @LDFLAGS@
 LD = @LD@
 LDFLAGS = @LDFLAGS@
 LIBOBJS = @LIBOBJS@
-LIBS = @LIBS@
+LIBS = @LIBS@ $(GTK_LIBS)
 LIBTOOL = @LIBTOOL@
 LIPO = @LIPO@
 LN_S = @LN_S@