From e3c4870feba182bc4565b7481536087dbb785832 Mon Sep 17 00:00:00 2001
From: Frederik Gladhorn <frederik.gladhorn@remarkable.com>
Date: Fri, 21 Feb 2020 15:52:04 +0100
Subject: [PATCH] Do not try to find .qmake.conf past the root directory

In case of .qmake.conf not existing, this would result in an infinite loop.

Change-Id: I577aaed7a502efb7b01dc6b199dcf464358bf5a9
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
---
 util/cmake/pro2cmake.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/util/cmake/pro2cmake.py b/util/cmake/pro2cmake.py
index f5e678acd4a..b46985e582a 100755
--- a/util/cmake/pro2cmake.py
+++ b/util/cmake/pro2cmake.py
@@ -286,7 +286,11 @@ def find_qmake_conf(project_file_path: str = "") -> str:
         if os.path.isfile(maybe_file):
             return maybe_file
         else:
+            last_cwd = cwd
             cwd = os.path.dirname(cwd)
+            if last_cwd == cwd:
+                # reached the top level directory, stop looking
+                break
 
     print(f"Warning: could not find .qmake.conf file")
     return ""