From 2408166f5a235575af7e55de4a2ff75a5921ce81 Mon Sep 17 00:00:00 2001
From: Oswald Buddenhagen <oswald.buddenhagen@qt.io>
Date: Thu, 9 Feb 2017 20:55:01 +0100
Subject: [PATCH] clash-check configure sub-config names

we derive the keys from the last fragment of the parent directory, which
is potentially not globally unique.

Change-Id: I57cf13394984e6e3d902c0f1bb495bd3920bfc75
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
---
 mkspecs/features/qt_configure.prf | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/mkspecs/features/qt_configure.prf b/mkspecs/features/qt_configure.prf
index e157904145..a6cbc25d6c 100644
--- a/mkspecs/features/qt_configure.prf
+++ b/mkspecs/features/qt_configure.prf
@@ -1827,6 +1827,9 @@ for(ever) {
     for(n, $${currentConfig}.subconfigs._KEYS_) {
         subconfig = $$eval($${currentConfig}.subconfigs.$${n})
         name = $$basename(subconfig)
+        ex = $$eval(config.$${name}.dir)
+        !isEmpty(ex): \
+            error("Basename clash between $$thisDir/$$subconfig and $${ex}.")
         config.$${name}.dir = $$thisDir/$$subconfig
         subconfigs += $$name
     }