From ed3aad97e3d3cb27637722fabb0ae3a5611daf5c Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Fri, 4 Jun 2021 12:13:29 -0400
Subject: cmGeneratorTarget: Clear cached link implementation when a source is
 added

Adding a source file at generate time can cause the linker language or
other settings to change that affect `GetLinkImplementationLibraries`
and friends.
---
 Source/cmGeneratorTarget.cxx | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Source/cmGeneratorTarget.cxx b/Source/cmGeneratorTarget.cxx
index 5deb2df..6209f3e 100644
--- a/Source/cmGeneratorTarget.cxx
+++ b/Source/cmGeneratorTarget.cxx
@@ -697,6 +697,7 @@ void cmGeneratorTarget::ClearSourcesCache()
   this->SourcesAreContextDependent = Tribool::Indeterminate;
   this->Objects.clear();
   this->VisitedConfigsForObjects.clear();
+  this->LinkImplMap.clear();
 }
 
 void cmGeneratorTarget::AddSourceCommon(const std::string& src, bool before)
-- 
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