--- hplip-3.19.3/Makefile.am.orig	2019-05-05 15:19:04.022430433 +0200
+++ hplip-3.19.3/Makefile.am	2019-05-05 15:20:06.893397649 +0200
@@ -684,15 +684,15 @@
 
 install-data-hook:
 if HPLIP_BUILD
-	if [ \( "$(UNAME)" = "x86_64" -a  -d "$(libdir)/" \) ]; then \
-		cp prnt/hpcups/libImageProcessor-x86_64.so $(libdir)/ ; \
-		chmod 775 $(libdir)/libImageProcessor-x86_64.so ; \
-		ln -sf $(libdir)/libImageProcessor-x86_64.so $(libdir)/libImageProcessor.so ; \
+	if [ \( "$(UNAME)" = "x86_64" -a  -d "$(DESTDIR)$(libdir)/" \) ]; then \
+		cp prnt/hpcups/libImageProcessor-x86_64.so $(DESTDIR)$(libdir)/ ; \
+		chmod 775 $(DESTDIR)$(libdir)/libImageProcessor-x86_64.so ; \
+		ln -sf $(libdir)/libImageProcessor-x86_64.so $(DESTDIR)$(libdir)/libImageProcessor.so ; \
 	fi; \
-	if [ \( \( "$(UNAME)" = "i686" -o "$(UNAME)" = "i386" \) -a -d "$(libdir)/" \) ]; then \
-		cp prnt/hpcups/libImageProcessor-x86_32.so $(libdir)/ ; \
-		chmod 775 $(libdir)/libImageProcessor-x86_32.so ; \
-		ln -sf $(libdir)/libImageProcessor-x86_32.so $(libdir)/libImageProcessor.so ; \
+	if [ \( \( "$(UNAME)" = "i686" -o "$(UNAME)" = "i386" \) -a -d "$(DESTDIR)$(libdir)/" \) ]; then \
+		cp prnt/hpcups/libImageProcessor-x86_32.so $(DESTDIR)$(libdir)/ ; \
+		chmod 775 $(DESTDIR)$(libdir)/libImageProcessor-x86_32.so ; \
+		ln -sf $(libdir)/libImageProcessor-x86_32.so $(DESTDIR)$(libdir)/libImageProcessor.so ; \
 	fi
 if !HPLIP_CLASS_DRIVER
 #	   If scanner build, add hpaio entry to sane dll.conf.
@@ -709,11 +709,11 @@
 	  	ln -sf $(libdir)/sane/libsane-hpaio.so $(libdir)/x86_64-linux-gnu/sane/ ; \
 	  	ln -sf $(libdir)/sane/libsane-hpaio.so.1 $(libdir)/x86_64-linux-gnu/sane/ ; \
 	   fi; \
-	   if [ \( \( "$(UNAME)" = "i686" -o "$(UNAME)" = "i386" \) -a -d "$(libdir)/i386-linux-gnu" \) ]; then \
-	      ln -sf $(libdir)/libhpmud.so.0.0.6  $(libdir)/i386-linux-gnu/libhpmud.so ; \
-	      ln -sf $(libdir)/libhpmud.so.0.0.6  $(libdir)/i386-linux-gnu/libhpmud.so.0 ; \
-	      ln -sf $(libdir)/sane/libsane-hpaio.so.1.0.0 $(libdir)/i386-linux-gnu/sane/libsane-hpaio.so.1 ; \
-	      ln -sf $(libdir)/sane/libsane-hpaio.so.1.0.0 $(libdir)/i386-linux-gnu/sane/libsane-hpaio.so ; \
+	   if [ \( \( "$(UNAME)" = "i686" -o "$(UNAME)" = "i386" \) -a -d "$(DESTDIR)$(libdir)/i386-linux-gnu" \) ]; then \
+	      ln -sf $(libdir)/libhpmud.so.0.0.6  $(DESTDIR)$(libdir)/i386-linux-gnu/libhpmud.so ; \
+	      ln -sf $(libdir)/libhpmud.so.0.0.6  $(DESTDIR)$(libdir)/i386-linux-gnu/libhpmud.so.0 ; \
+	      ln -sf $(libdir)/sane/libsane-hpaio.so.1.0.0 $(DESTDIR)$(libdir)/i386-linux-gnu/sane/libsane-hpaio.so.1 ; \
+	      ln -sf $(libdir)/sane/libsane-hpaio.so.1.0.0 $(DESTDIR)$(libdir)/i386-linux-gnu/sane/libsane-hpaio.so ; \
 	   fi \
 	fi
 endif #HPLIP_CLASS_DRIVER
--- hplip-3.19.3/Makefile.in.orig	2019-05-05 15:37:16.070374478 +0200
+++ hplip-3.19.3/Makefile.in	2019-05-05 15:38:20.716763336 +0200
@@ -9504,15 +9504,15 @@
 
 
 install-data-hook:
-@HPLIP_BUILD_TRUE@	if [ \( "$(UNAME)" = "x86_64" -a  -d "$(libdir)/" \) ]; then \
-@HPLIP_BUILD_TRUE@		cp prnt/hpcups/libImageProcessor-x86_64.so $(libdir)/ ; \
-@HPLIP_BUILD_TRUE@		chmod 775 $(libdir)/libImageProcessor-x86_64.so ; \
-@HPLIP_BUILD_TRUE@		ln -sf $(libdir)/libImageProcessor-x86_64.so $(libdir)/libImageProcessor.so ; \
+@HPLIP_BUILD_TRUE@	if [ \( "$(UNAME)" = "x86_64" -a  -d "$(DESTDIR)$(libdir)/" \) ]; then \
+@HPLIP_BUILD_TRUE@		cp prnt/hpcups/libImageProcessor-x86_64.so $(DESTDIR)$(libdir)/ ; \
+@HPLIP_BUILD_TRUE@		chmod 775 $(DESTDIR)$(libdir)/libImageProcessor-x86_64.so ; \
+@HPLIP_BUILD_TRUE@		ln -sf $(libdir)/libImageProcessor-x86_64.so $(DESTDIR)$(libdir)/libImageProcessor.so ; \
 @HPLIP_BUILD_TRUE@	fi; \
-@HPLIP_BUILD_TRUE@	if [ \( \( "$(UNAME)" = "i686" -o "$(UNAME)" = "i386" \) -a -d "$(libdir)/" \) ]; then \
-@HPLIP_BUILD_TRUE@		cp prnt/hpcups/libImageProcessor-x86_32.so $(libdir)/ ; \
-@HPLIP_BUILD_TRUE@		chmod 775 $(libdir)/libImageProcessor-x86_32.so ; \
-@HPLIP_BUILD_TRUE@		ln -sf $(libdir)/libImageProcessor-x86_32.so $(libdir)/libImageProcessor.so ; \
+@HPLIP_BUILD_TRUE@	if [ \( \( "$(UNAME)" = "i686" -o "$(UNAME)" = "i386" \) -a -d "$(DESTDIR)$(libdir)/" \) ]; then \
+@HPLIP_BUILD_TRUE@		cp prnt/hpcups/libImageProcessor-x86_32.so $(DESTDIR)$(libdir)/ ; \
+@HPLIP_BUILD_TRUE@		chmod 775 $(DESTDIR)$(libdir)/libImageProcessor-x86_32.so ; \
+@HPLIP_BUILD_TRUE@		ln -sf $(libdir)/libImageProcessor-x86_32.so $(DESTDIR)$(libdir)/libImageProcessor.so ; \
 @HPLIP_BUILD_TRUE@	fi
 #	   If scanner build, add hpaio entry to sane dll.conf.
 @HPLIP_BUILD_TRUE@@HPLIP_CLASS_DRIVER_FALSE@	if [ "$(scan_build)" = "yes" ]; then \
@@ -9524,15 +9524,15 @@
 @HPLIP_BUILD_TRUE@@HPLIP_CLASS_DRIVER_FALSE@		  echo "Adding hpaio entry to /etc/sane.d/dll.conf." ; \
 @HPLIP_BUILD_TRUE@@HPLIP_CLASS_DRIVER_FALSE@		  echo hpaio >>$(DESTDIR)/etc/sane.d/dll.conf ; \
 @HPLIP_BUILD_TRUE@@HPLIP_CLASS_DRIVER_FALSE@	   fi; \
-@HPLIP_BUILD_TRUE@@HPLIP_CLASS_DRIVER_FALSE@ 	   if [ \( "$(UNAME)" = "x86_64" -a  -d "$(libdir)/x86_64-linux-gnu/sane" \) ]; then \
-@HPLIP_BUILD_TRUE@@HPLIP_CLASS_DRIVER_FALSE@	  	ln -sf $(libdir)/sane/libsane-hpaio.so $(libdir)/x86_64-linux-gnu/sane/ ; \
-@HPLIP_BUILD_TRUE@@HPLIP_CLASS_DRIVER_FALSE@	  	ln -sf $(libdir)/sane/libsane-hpaio.so.1 $(libdir)/x86_64-linux-gnu/sane/ ; \
+@HPLIP_BUILD_TRUE@@HPLIP_CLASS_DRIVER_FALSE@ 	   if [ \( "$(UNAME)" = "x86_64" -a  -d "$(DESTDIR)$(libdir)/x86_64-linux-gnu/sane" \) ]; then \
+@HPLIP_BUILD_TRUE@@HPLIP_CLASS_DRIVER_FALSE@	  	ln -sf $(libdir)/sane/libsane-hpaio.so $(DESTDIR)$(libdir)/x86_64-linux-gnu/sane/ ; \
+@HPLIP_BUILD_TRUE@@HPLIP_CLASS_DRIVER_FALSE@	  	ln -sf $(libdir)/sane/libsane-hpaio.so.1 $(DESTDIR)$(libdir)/x86_64-linux-gnu/sane/ ; \
 @HPLIP_BUILD_TRUE@@HPLIP_CLASS_DRIVER_FALSE@	   fi; \
-@HPLIP_BUILD_TRUE@@HPLIP_CLASS_DRIVER_FALSE@	   if [ \( \( "$(UNAME)" = "i686" -o "$(UNAME)" = "i386" \) -a -d "$(libdir)/i386-linux-gnu" \) ]; then \
-@HPLIP_BUILD_TRUE@@HPLIP_CLASS_DRIVER_FALSE@	      ln -sf $(libdir)/libhpmud.so.0.0.6  $(libdir)/i386-linux-gnu/libhpmud.so ; \
-@HPLIP_BUILD_TRUE@@HPLIP_CLASS_DRIVER_FALSE@	      ln -sf $(libdir)/libhpmud.so.0.0.6  $(libdir)/i386-linux-gnu/libhpmud.so.0 ; \
-@HPLIP_BUILD_TRUE@@HPLIP_CLASS_DRIVER_FALSE@	      ln -sf $(libdir)/sane/libsane-hpaio.so.1.0.0 $(libdir)/i386-linux-gnu/sane/libsane-hpaio.so.1 ; \
-@HPLIP_BUILD_TRUE@@HPLIP_CLASS_DRIVER_FALSE@	      ln -sf $(libdir)/sane/libsane-hpaio.so.1.0.0 $(libdir)/i386-linux-gnu/sane/libsane-hpaio.so ; \
+@HPLIP_BUILD_TRUE@@HPLIP_CLASS_DRIVER_FALSE@	   if [ \( \( "$(UNAME)" = "i686" -o "$(UNAME)" = "i386" \) -a -d "$(DESTDIR)$(libdir)/i386-linux-gnu" \) ]; then \
+@HPLIP_BUILD_TRUE@@HPLIP_CLASS_DRIVER_FALSE@	      ln -sf $(libdir)/libhpmud.so.0.0.6  $(DESTDIR)$(libdir)/i386-linux-gnu/libhpmud.so ; \
+@HPLIP_BUILD_TRUE@@HPLIP_CLASS_DRIVER_FALSE@	      ln -sf $(libdir)/libhpmud.so.0.0.6  $(DESTDIR)$(libdir)/i386-linux-gnu/libhpmud.so.0 ; \
+@HPLIP_BUILD_TRUE@@HPLIP_CLASS_DRIVER_FALSE@	      ln -sf $(libdir)/sane/libsane-hpaio.so.1.0.0 $(DESTDIR)$(libdir)/i386-linux-gnu/sane/libsane-hpaio.so.1 ; \
+@HPLIP_BUILD_TRUE@@HPLIP_CLASS_DRIVER_FALSE@	      ln -sf $(libdir)/sane/libsane-hpaio.so.1.0.0 $(DESTDIR)$(libdir)/i386-linux-gnu/sane/libsane-hpaio.so ; \
 @HPLIP_BUILD_TRUE@@HPLIP_CLASS_DRIVER_FALSE@	   fi \
 @HPLIP_BUILD_TRUE@@HPLIP_CLASS_DRIVER_FALSE@	fi
 #	   Create hp-xxx commands in bindir.