From 32c389a5562cd8d5b8d66e88e59eef1e00f95425 Mon Sep 17 00:00:00 2001
From: Cristian Adam <cristian.adam@qt.io>
Date: Mon, 11 Dec 2023 18:25:45 +0100
Subject: [PATCH] CMakePM: Do not reconfigure during build

On Windows upon a CMake file change and save during a build, the
reconfiguration would fail due to the inability to save the build.ninja
file.

Fixes: QTCREATORBUG-30048
Change-Id: I68bec70b0a95bc4256b736a1c4caf1b4d706e43b
Reviewed-by: Eike Ziller <eike.ziller@qt.io>
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
---
 src/plugins/cmakeprojectmanager/cmakebuildsystem.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/plugins/cmakeprojectmanager/cmakebuildsystem.cpp b/src/plugins/cmakeprojectmanager/cmakebuildsystem.cpp
index 6f7461799bd..4c93e3150d9 100644
--- a/src/plugins/cmakeprojectmanager/cmakebuildsystem.cpp
+++ b/src/plugins/cmakeprojectmanager/cmakebuildsystem.cpp
@@ -26,6 +26,7 @@
 #include <cppeditor/cppeditorconstants.h>
 #include <cppeditor/cppprojectupdater.h>
 
+#include <projectexplorer/buildmanager.h>
 #include <projectexplorer/extracompiler.h>
 #include <projectexplorer/kitaspects.h>
 #include <projectexplorer/projectexplorer.h>
@@ -1299,7 +1300,8 @@ void CMakeBuildSystem::wireUpConnections()
     });
 
     connect(project(), &Project::projectFileIsDirty, this, [this] {
-        if (buildConfiguration()->isActive() && !isParsing()) {
+        const bool isBuilding = BuildManager::isBuilding(project());
+        if (buildConfiguration()->isActive() && !isParsing() && !isBuilding) {
             if (settings().autorunCMake()) {
                 qCDebug(cmakeBuildSystemLog) << "Requesting parse due to dirty project file";
                 reparse(CMakeBuildSystem::REPARSE_FORCE_CMAKE_RUN);