From 5ea1f675d87f1ec9bc65611fee0e7eba8c3cdb0f Mon Sep 17 00:00:00 2001
From: Jeremy Koritzinsky <jekoritz@microsoft.com>
Date: Wed, 26 Feb 2025 21:39:17 -0800
Subject: [PATCH] Allow loading side-by-side dependent DLLs in the
 PGO-instrumented build

This is needed to enable loading pgort140.dll from coreclr.dll in our PGO-instrumented runtime build.
---
 eng/native/configurecompiler.cmake | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/eng/native/configurecompiler.cmake b/eng/native/configurecompiler.cmake
index 787eea52392c14..e8ad8615f6d4bd 100644
--- a/eng/native/configurecompiler.cmake
+++ b/eng/native/configurecompiler.cmake
@@ -70,8 +70,11 @@ if (MSVC)
   add_compile_options($<$<COMPILE_LANGUAGE:CXX>:$<TARGET_PROPERTY:CLR_EH_OPTION>>)
   add_link_options($<$<BOOL:$<TARGET_PROPERTY:CLR_CONTROL_FLOW_GUARD>>:/guard:cf>)
 
-  # Load all imported DLLs from the System32 directory.
-  add_linker_flag(/DEPENDENTLOADFLAG:0x800)
+  if (NOT CLR_CMAKE_PGO_INSTRUMENT)
+    # Load all imported DLLs from the System32 directory.
+    # Don't do this when instrumenting for PGO as a local DLL dependency is introduced by the instrumentation
+    add_linker_flag(/DEPENDENTLOADFLAG:0x800)
+  endif()
 
   # Linker flags
   #