From d0e19b659eee0c855d248d2cd58245d69643cad4 Mon Sep 17 00:00:00 2001
From: Stefano Pigozzi <stefano.pigozzi@gmail.com>
Date: Wed, 19 Aug 2015 00:11:31 +0200
Subject: build: make sure the HAVE_ key is undefined on failure

Some particular checks can define the HAVE_ key on their own. To make sure
they work correctly when composed (with compose_checks) we force the HAVE_
key to be undefined if a check fails.
---
 waftools/dependencies.py | 1 +
 1 file changed, 1 insertion(+)

(limited to 'waftools/dependencies.py')

diff --git a/waftools/dependencies.py b/waftools/dependencies.py
index a3ae5ac5ea..c1f3fdb022 100644
--- a/waftools/dependencies.py
+++ b/waftools/dependencies.py
@@ -95,6 +95,7 @@ the autodetection check failed.".format(self.identifier)
             self.success(self.identifier)
         else:
             self.fail()
+            self.ctx.undefine(inflector.define_key(self.identifier))
             self.fatal_if_needed()
 
     def enabled_option(self, identifier=None):
-- 
cgit v1.2.3