From 2fe5b61aab3948e8223c4c0bc8ff9060b3354fc4 Mon Sep 17 00:00:00 2001
From: Jarek Kobus <jaroslaw.kobus@qt.io>
Date: Mon, 22 Jan 2024 10:12:54 +0100
Subject: [PATCH] Process: Read QTC_USE_QPROCESS just once

And store it in static variable.

Change-Id: I983ba4d23563ab412ba8db5e4ea4cc1b7a75dba7
Reviewed-by: hjk <hjk@qt.io>
---
 src/libs/utils/process.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/libs/utils/process.cpp b/src/libs/utils/process.cpp
index 7bd5070da6a..6a375d966b4 100644
--- a/src/libs/utils/process.cpp
+++ b/src/libs/utils/process.cpp
@@ -644,7 +644,7 @@ private:
     ProcessLauncherBlockingImpl *m_blockingImpl = nullptr;
 };
 
-static ProcessImpl defaultProcessImpl()
+static ProcessImpl defaultProcessImplHelper()
 {
     const QString value = qtcEnvironmentVariable("QTC_USE_QPROCESS", "TRUE").toUpper();
     if (value != "FALSE" && value != "0")
@@ -652,6 +652,12 @@ static ProcessImpl defaultProcessImpl()
     return ProcessImpl::ProcessLauncher;
 }
 
+static ProcessImpl defaultProcessImpl()
+{
+    static const ProcessImpl impl = defaultProcessImplHelper();
+    return impl;
+}
+
 class ProcessInterfaceSignal
 {
 public: