From fc9fda7195e8f9741e743b99a1ead67204b2b3f5 Mon Sep 17 00:00:00 2001
From: Juan RP <xtraeme@gmail.com>
Date: Wed, 23 Oct 2013 15:59:10 +0200
Subject: [PATCH] configure: also respect CPPFLAGS from environment (if set).

---
 configure | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/configure b/configure
index c74552d6..187df527 100755
--- a/configure
+++ b/configure
@@ -213,6 +213,10 @@ linux)
 	;;
 esac
 
+if [ -n "$CPPFLAGS" ]; then
+	echo "CPPFLAGS += $CPPFLAGS" >>$CONFIG_MK
+fi
+
 # Add CPPFLAGS/CFLAGS/LDFLAGS to CC for testing features
 XCC="$CC $CFLAGS $CPPFLAGS $LDFLAGS"
 # Make sure to disable --as-needed for CC tests.