diff --git a/Makefile.in b/Makefile.in
index 87880c62ad2..a5e6e11aece 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -339,6 +339,7 @@ RAW_CXX_TARGET_EXPORTS = \
 
 NORMAL_TARGET_EXPORTS = \
 	$(BASE_TARGET_EXPORTS) \
+	CXX_FOR_TARGET="$(CXX_FOR_TARGET)"; export CXX_FOR_TARGET; \
 	CXX="$(CXX_FOR_TARGET) $(XGCC_FLAGS_FOR_TARGET) $$TFLAGS"; export CXX;
 
 # Where to find GMP
diff --git a/Makefile.tpl b/Makefile.tpl
index da38dca697a..7dccf91ed8e 100644
--- a/Makefile.tpl
+++ b/Makefile.tpl
@@ -342,6 +342,7 @@ RAW_CXX_TARGET_EXPORTS = \
 
 NORMAL_TARGET_EXPORTS = \
 	$(BASE_TARGET_EXPORTS) \
+	CXX_FOR_TARGET="$(CXX_FOR_TARGET)"; export CXX_FOR_TARGET; \
 	CXX="$(CXX_FOR_TARGET) $(XGCC_FLAGS_FOR_TARGET) $$TFLAGS"; export CXX;
 
 # Where to find GMP