From 7652c0446458236a453bc371c3efc7fad4737fd8 Mon Sep 17 00:00:00 2001
From: Stenzek <stenzek@gmail.com>
Date: Sat, 29 Aug 2026 23:57:44 +1000
Subject: [PATCH] MSBuild: Generate Qt translations in parallel

Submit independently stale translation catalogs to ParallelCustomBuild so
lrelease can process them concurrently.
---
 dep/vsprops/QtCompile.props | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/dep/vsprops/QtCompile.props b/dep/vsprops/QtCompile.props
index f38c1fd3f..8065c3502 100644
--- a/dep/vsprops/QtCompile.props
+++ b/dep/vsprops/QtCompile.props
@@ -283,6 +283,7 @@
       <QtTs>
         <AdditionalInputs>%(QtTs.FullPath)</AdditionalInputs>
         <Command>&quot;$(QtHostBinDir)lrelease.exe&quot; &quot;%(QtTs.FullPath)&quot; -qm &quot;$(QtTsOutDir)%(QtTs.Filename).qm&quot;</Command>
+        <Message>lrelease %(QtTs.Filename)</Message>
         <Outputs>$(QtTsOutDir)%(QtTs.Filename).qm</Outputs>
       </QtTs>
     </ItemGroup>
@@ -299,8 +300,10 @@
       CheckForInterdependencies="false">
       <Output TaskParameter="OutOfDateSources" ItemName="_QtTsOutOfDate" />
     </GetOutOfDateItems>
-    <Message Condition="'@(_QtTsOutOfDate)'!=''" Text="lrelease %(_QtTsOutOfDate.Filename)" Importance="High" />
-    <Exec Condition="'@(_QtTsOutOfDate)'!=''" Command="%(_QtTsOutOfDate.Command)" />
+    <!-- Translation catalogs are independent, so only stale items are submitted to the parallel custom-build scheduler. -->
+    <ParallelCustomBuild
+      Condition="'@(_QtTsOutOfDate)'!=''"
+      Sources="@(_QtTsOutOfDate)" />
     <ItemGroup>
       <_QtTsOutOfDate Remove="@(_QtTsOutOfDate)" />
     </ItemGroup>