--- src/swt/tests/Makefile.in.orig	2020-07-15 22:53:38 UTC
+++ src/swt/tests/Makefile.in
@@ -13,7 +13,7 @@ INCDIRS = -I../include
 
 # WARNINGS = -Wall -Wwrite-strings
 CFLAGS = -g $(WARNINGS) $(INCDIRS) @COMMONFLAGS@ @CFLAGS@ 
-CXXFLAGS = $(CFLAGS)
+CXXFLAGS = @CXXFLAGS@
 
 TARGETS = swTest text buttons doodle drawing tree restest draw1