From 5662c243026bf5b14e8696fa4fe961589470d199 Mon Sep 17 00:00:00 2001
From: Orivej Desh <orivej@gmx.fr>
Date: Thu, 31 May 2018 00:12:23 +0000
Subject: [PATCH] qpid-cpp: fix build after #28029
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When -O2 from hardening does not redefine -O3 from CMake, the build fails with:

     src/qpid/broker/SelectorExpression.cpp: In member function ‘qpid::broker::Expression* qpid::broker::Parse::orExpression(qpid::broker::Tokeniser&)’:
     src/qpid/broker/SelectorExpression.cpp:1041:13: error: ‘*((void*)& s +17)’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
          if (s[1]=='b' || s[1]=='B') {
---
 pkgs/servers/amqp/qpid-cpp/default.nix | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pkgs/servers/amqp/qpid-cpp/default.nix b/pkgs/servers/amqp/qpid-cpp/default.nix
index a838fa3b904c..8446578507d8 100644
--- a/pkgs/servers/amqp/qpid-cpp/default.nix
+++ b/pkgs/servers/amqp/qpid-cpp/default.nix
@@ -35,8 +35,9 @@ let
 
     NIX_CFLAGS_COMPILE = [
       "-Wno-error=deprecated-declarations"
-      "-Wno-error=unused-function"
       "-Wno-error=int-in-bool-context"
+      "-Wno-error=maybe-uninitialized"
+      "-Wno-error=unused-function"
     ];
   };