From 29488fbdafa4da33b343dc26b208622d0bb58315 Mon Sep 17 00:00:00 2001
From: Christian Kandeler <christian.kandeler@qt.io>
Date: Thu, 19 Mar 2020 17:13:51 +0100
Subject: [PATCH] Qbs: Suppress spurious warnings about mismatching compiler
 paths

Apparently, MSVC toolchains set their compiler paths asynchronously, so
don't complain if it's empty initially.

Fixes: QTCREATORBUG-23725
Change-Id: Id800fa01d6368d244ec879181d12f6f7c7f1bf0a
Reviewed-by: Kai Koehne <kai.koehne@qt.io>
---
 src/plugins/qbsprojectmanager/defaultpropertyprovider.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/plugins/qbsprojectmanager/defaultpropertyprovider.cpp b/src/plugins/qbsprojectmanager/defaultpropertyprovider.cpp
index 4f373b8ee34..d8f380e3b6f 100644
--- a/src/plugins/qbsprojectmanager/defaultpropertyprovider.cpp
+++ b/src/plugins/qbsprojectmanager/defaultpropertyprovider.cpp
@@ -353,7 +353,8 @@ QVariantMap DefaultPropertyProvider::autoGeneratedProperties(const ProjectExplor
                 data.insert(QLatin1String(CPP_CXXCOMPILERNAME), cxxCompilerName);
         }
 
-        if (tcC && tcCxx && cFileInfo.absolutePath() != cxxFileInfo.absolutePath()) {
+        if (tcC && tcCxx && !cCompilerPath.isEmpty() && !cxxCompilerPath.isEmpty()
+                && cFileInfo.absolutePath() != cxxFileInfo.absolutePath()) {
             Core::MessageManager::write(tr("C and C++ compiler paths differ. C compiler may not work."),
                                         Core::MessageManager::ModeSwitch);
         }