From a02671cfdeac3bb86ebf8f8577faf69730c4f80e Mon Sep 17 00:00:00 2001
From: Andres Freund <andres@anarazel.de>
Date: Wed, 21 Mar 2018 18:40:23 -0700
Subject: [PATCH] Empty CXXFLAGS inherited from autoconf.

We do the same for CFLAGS.  This was an omission in 6869b4f25.

Reported-By: Catalin Iacob
---
 configure    | 1 +
 configure.in | 1 +
 2 files changed, 2 insertions(+)

diff --git a/configure b/configure
index 45672306eeb..409fdc1ed69 100755
--- a/configure
+++ b/configure
@@ -5056,6 +5056,7 @@ fi
 
 
 unset CFLAGS
+unset CXXFLAGS
 
 #
 # Read the template
diff --git a/configure.in b/configure.in
index 2093bb468f0..1ed94dbf7de 100644
--- a/configure.in
+++ b/configure.in
@@ -389,6 +389,7 @@ fi
 
 
 unset CFLAGS
+unset CXXFLAGS
 
 #
 # Read the template