Correct Makefile should use CPPFLAGS for preprocessing like dependencies
check. But OpenWRT doesn't provide this variable.
Signed-off-by: Thomas Monjalon <tho...@monjalon.net>
---
The patch is against r18408, branch 8.09
--- include/package-defaults.mk
+++ include/package-defaults.mk
@@ -94,6 +94,7 @@
endef
MAKE_VARS = \
+ CPPFLAGS="$(TARGET_CPPFLAGS) $(EXTRA_CPPFLAGS)" \
CFLAGS="$(TARGET_CFLAGS) $(EXTRA_CFLAGS) $(TARGET_CPPFLAGS)
$(EXTRA_CPPFLAGS)" \
CXXFLAGS="$(TARGET_CFLAGS) $(EXTRA_CFLAGS) $(TARGET_CPPFLAGS)
$(EXTRA_CPPFLAGS)" \
LDFLAGS="$(TARGET_LDFLAGS) $(EXTRA_LDFLAGS)"
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