From 6fc4bfa11cf2c1de1c6c44704cd7c160f4363ea8 Mon Sep 17 00:00:00 2001
From: Kyle Edwards <kyle.edwards@kitware.com>
Date: Fri, 29 May 2020 15:28:43 -0400
Subject: Ninja Multi-Config: Fix bug in CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS

Fixes: #20775
---
 Source/cmGeneratorTarget.cxx                 | 3 ++-
 Tests/RunCMake/NinjaMultiConfig/Simple.cmake | 2 ++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/Source/cmGeneratorTarget.cxx b/Source/cmGeneratorTarget.cxx
index 5828651..b4b0c45 100644
--- a/Source/cmGeneratorTarget.cxx
+++ b/Source/cmGeneratorTarget.cxx
@@ -2529,7 +2529,8 @@ void cmGeneratorTarget::ComputeModuleDefinitionInfo(
   info.DefFileGenerated = false;
 #endif
   if (info.DefFileGenerated) {
-    info.DefFile = this->ObjectDirectory /* has slash */ + "exports.def";
+    info.DefFile =
+      this->GetObjectDirectory(config) /* has slash */ + "exports.def";
   } else if (!info.Sources.empty()) {
     info.DefFile = info.Sources.front()->GetFullPath();
   }
diff --git a/Tests/RunCMake/NinjaMultiConfig/Simple.cmake b/Tests/RunCMake/NinjaMultiConfig/Simple.cmake
index a32f551..3f4ecbe 100644
--- a/Tests/RunCMake/NinjaMultiConfig/Simple.cmake
+++ b/Tests/RunCMake/NinjaMultiConfig/Simple.cmake
@@ -1,5 +1,7 @@
 enable_language(C)
 
+set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
+
 file(TOUCH ${CMAKE_BINARY_DIR}/empty.cmake)
 include(${CMAKE_BINARY_DIR}/empty.cmake)
 
-- 
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