diff --git a/[refs] b/[refs]
index 0eaa36fbe651..62079db4d3a0 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 92f3f19c519d2eb18812a38312b05075cf0407db
+refs/heads/master: c47efe5548abbf53c2f66e06dcb46183b11d6b22
diff --git a/trunk/scripts/Kbuild.include b/trunk/scripts/Kbuild.include
index b3452601b0b1..4f9c1908593b 100644
--- a/trunk/scripts/Kbuild.include
+++ b/trunk/scripts/Kbuild.include
@@ -106,12 +106,12 @@ as-instr = $(call try-run,\
 # Usage: cflags-y += $(call cc-option,-march=winchip-c6,-march=i586)
 
 cc-option = $(call try-run,\
-	$(CC) $(KBUILD_CFLAGS) $(1) -c -xc /dev/null -o "$$TMP",$(1),$(2))
+	$(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(1) -c -xc /dev/null -o "$$TMP",$(1),$(2))
 
 # cc-option-yn
 # Usage: flag := $(call cc-option-yn,-march=winchip-c6)
 cc-option-yn = $(call try-run,\
-	$(CC) $(KBUILD_CFLAGS) $(1) -c -xc /dev/null -o "$$TMP",y,n)
+	$(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(1) -c -xc /dev/null -o "$$TMP",y,n)
 
 # cc-option-align
 # Prefix align with either -falign or -malign