From 5808ee956911e4dd4c376fd6713f559e2b158138 Mon Sep 17 00:00:00 2001
From: Eike Ziller <eike.ziller@qt.io>
Date: Thu, 22 Aug 2019 13:04:04 +0200
Subject: [PATCH] Disable GCC auto-detection on macOS

It is almost never what you want (it is totally outdated), but it is
found in /usr/bin anyhow.
People who want GCC can still register it of course, and people who used
it before will keep having it as manually registered.

Change-Id: If5722f6e9521bb74160da064bb4dee8db28efdb9
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>
---
 src/plugins/projectexplorer/gcctoolchain.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/plugins/projectexplorer/gcctoolchain.cpp b/src/plugins/projectexplorer/gcctoolchain.cpp
index 01e4e42608b..760fc2f7050 100644
--- a/src/plugins/projectexplorer/gcctoolchain.cpp
+++ b/src/plugins/projectexplorer/gcctoolchain.cpp
@@ -976,6 +976,9 @@ GccToolChainFactory::GccToolChainFactory()
 
 QList<ToolChain *> GccToolChainFactory::autoDetect(const QList<ToolChain *> &alreadyKnown)
 {
+    // GCC is almost never what you want on macOS, but it is by default found in /usr/bin
+    if (HostOsInfo::isMacHost())
+        return {};
     QList<ToolChain *> tcs;
     QList<ToolChain *> known = alreadyKnown;
     static const auto tcChecker = [](const ToolChain *tc) {