From 7e0f678055f4517543ff8b671bd8b27c843e7335 Mon Sep 17 00:00:00 2001
From: Jeffrey Walton <noloader@gmail.com>
Date: Mon, 10 May 2021 15:14:03 -0400
Subject: Use CPPFLAGS when testign features Cross-compiles need the flags

---
 GNUmakefile-cross | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'GNUmakefile-cross')

diff --git a/GNUmakefile-cross b/GNUmakefile-cross
index ad10702b..35c6cdcc 100644
--- a/GNUmakefile-cross
+++ b/GNUmakefile-cross
@@ -201,7 +201,7 @@ endif
 # Strip out -Wall, -Wextra and friends for feature testing. FORTIFY_SOURCE is removed
 # because it requires -O1 or higher, but we use -O0 to tame the optimizer.
 ifeq ($(DETECT_FEATURES),1)
-  TCXXFLAGS := $(filter-out -D_FORTIFY_SOURCE=% -M -MM -Wall -Wextra -Werror% -Wunused -Wconversion -Wp%, $(CXXFLAGS))
+  TCXXFLAGS := $(filter-out -D_FORTIFY_SOURCE=% -M -MM -Wall -Wextra -Werror% -Wunused -Wconversion -Wp%, $(CPPFLAGS) $(CXXFLAGS))
   ifneq ($(strip $(TCXXFLAGS)),)
     $(info Using testing flags: $(TCXXFLAGS))
   endif
-- 
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