diff --git a/Makefile.in b/Makefile.in
index 245c770..8545b60 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -250,8 +250,8 @@ BASE_TARGET_EXPORTS = \
 RAW_CXX_TARGET_EXPORTS = \
 	$(BASE_TARGET_EXPORTS) \
 	CXX_FOR_TARGET="$(RAW_CXX_FOR_TARGET)"; export CXX_FOR_TARGET; \
-	CXX="$(RAW_CXX_FOR_TARGET) $(CFLAGS_FOR_BUILD)"; export CXX; \
-	CXXCPP="$(RAW_CXX_FOR_TARGET) $(CFLAGS_FOR_BUILD) -E"; export CXXCPP;
+	CXX="$(RAW_CXX_FOR_TARGET) $(CFLAGS_FOR_TARGET)"; export CXX; \
+	CXXCPP="$(RAW_CXX_FOR_TARGET) $(CFLAGS_FOR_TARGET) -E"; export CXXCPP;
 
 NORMAL_TARGET_EXPORTS = \
 	$(BASE_TARGET_EXPORTS) \