--- src/Makefile.am.orig	2019-07-31 06:49:48 UTC
+++ src/Makefile.am
@@ -27,7 +27,11 @@ cupsfilter_PROGRAMS =\
 epson_escpr_wrapper_CFLAGS =\
 	-Wall\
 	-DCUPS_FILTER_NAME=\"epson-escpr\" \
-	-DCUPS_FILTER_PATH=\"$(CUPS_FILTER_DIR)\" 
+	-DCUPS_FILTER_PATH=\"$(CUPS_FILTER_DIR)\" \
+	$(CUPS_CPPFLAGS)
+
+epson_escpr_wrapper_LDFLAGS =\
+	$(CUPS_LDFLAGS)
 
 epson_escpr_wrapper_SOURCES =\
 	wrapper.c