From 894705161c2f100e98ef5661dae51cf60da9c0c4 Mon Sep 17 00:00:00 2001
From: Ding Xiang Fei <dingxiangfei2009@gmail.com>
Date: Sun, 29 Jul 2018 21:21:46 +0800
Subject: [PATCH] use NIX_CFLAGS_COMPILE

---
 pkgs/servers/sql/postgresql/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/servers/sql/postgresql/default.nix b/pkgs/servers/sql/postgresql/default.nix
index 69d01bb718e..bbb5a5a1774 100644
--- a/pkgs/servers/sql/postgresql/default.nix
+++ b/pkgs/servers/sql/postgresql/default.nix
@@ -23,7 +23,7 @@ let
     makeFlags = [ "world" ];
 
     preConfigure = ''
-    export CFLAGS="$CFLAGS -I${libxml2.dev}/include/libxml2"
+    export NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE -I${libxml2.dev}/include/libxml2"
     '';
     configureFlags = [
       "--with-openssl"