From 843234f81713d8cf17bf6c0ee4e878a87994d13b Mon Sep 17 00:00:00 2001
From: Stenzek <stenzek@gmail.com>
Date: Sat, 6 Sep 2025 13:12:01 +1000
Subject: [PATCH] MSBuild: Set /d1trimfile and /PDBALTPATH

More steps to reproducible builds.

/d1trimfile only works on MSVC, so set -fmacro-prefix-map and
-ffile-prefix-map on Clang.
---
 dep/msvc/vsprops/Base.props | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/dep/msvc/vsprops/Base.props b/dep/msvc/vsprops/Base.props
index 8fe2ec131..0767e5f3c 100644
--- a/dep/msvc/vsprops/Base.props
+++ b/dep/msvc/vsprops/Base.props
@@ -38,10 +38,13 @@
       <ExceptionHandling>false</ExceptionHandling>
       <RuntimeTypeInfo>false</RuntimeTypeInfo>
       <AdditionalOptions Condition="$(Configuration.Contains(Clang))">/clang:-fno-rtti %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalOptions Condition="!$(Configuration.Contains(Clang))">/d1trimfile:&quot;$(SolutionDir)\&quot; %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalOptions Condition="$(Configuration.Contains(Clang))">/clang:-fmacro-prefix-map=&quot;$(SolutionDir)\&quot;=. /clang:-ffile-prefix-map=&quot;$(SolutionDir)\&quot;=. %(AdditionalOptions)</AdditionalOptions>
     </ClCompile>
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <AdditionalLibraryDirectories>%(AdditionalLibraryDirectories);$(DepsLibDir)</AdditionalLibraryDirectories>
+      <AdditionalOptions>/PDBALTPATH:%_PDB% /Brepro %(AdditionalOptions)</AdditionalOptions>
     </Link>
   </ItemDefinitionGroup>