From fc387c877910cfea18196ad13257026b7bcd4525 Mon Sep 17 00:00:00 2001
From: Michael Simons <msimons@microsoft.com>
Date: Thu, 2 Sep 2021 14:12:27 +0000
Subject: [PATCH 1/3] Conditionally pack symbols based on keepNativeSymbols

---
 .../System.IO.Ports/pkg/runtime.native.System.IO.Ports.props    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libraries/System.IO.Ports/pkg/runtime.native.System.IO.Ports.props b/src/libraries/System.IO.Ports/pkg/runtime.native.System.IO.Ports.props
index 557c2231228086..0b757380fc22fb 100644
--- a/src/libraries/System.IO.Ports/pkg/runtime.native.System.IO.Ports.props
+++ b/src/libraries/System.IO.Ports/pkg/runtime.native.System.IO.Ports.props
@@ -8,7 +8,7 @@
     <DebugType>none</DebugType>
     <IsPackable>true</IsPackable>
     <AllowedOutputExtensionsInSymbolsPackageBuildOutputFolder>$(SymbolsSuffix)</AllowedOutputExtensionsInSymbolsPackageBuildOutputFolder>
-    <TargetsForTfmSpecificDebugSymbolsInPackage>$(TargetsForTfmSpecificDebugSymbolsInPackage);AddRuntimeSpecificNativeSymbolToPackage</TargetsForTfmSpecificDebugSymbolsInPackage>
+    <TargetsForTfmSpecificDebugSymbolsInPackage Condition="'$(keepNativeSymbols)' != 'true'">$(TargetsForTfmSpecificDebugSymbolsInPackage);AddRuntimeSpecificNativeSymbolToPackage</TargetsForTfmSpecificDebugSymbolsInPackage>
     <UseRuntimePackageDisclaimer>true</UseRuntimePackageDisclaimer>
     <!-- This is a native package and doesn't contain any ref/lib assets. -->
     <NoWarn>$(NoWarn);NU5128</NoWarn>

From 6f8d7d80b12cf90706420bde846ba459337ed12e Mon Sep 17 00:00:00 2001
From: Michael Simons <msimons@microsoft.com>
Date: Thu, 2 Sep 2021 15:29:16 +0000
Subject: [PATCH 2/3] Fix casing issue

---
 .../System.IO.Ports/pkg/runtime.native.System.IO.Ports.props    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libraries/System.IO.Ports/pkg/runtime.native.System.IO.Ports.props b/src/libraries/System.IO.Ports/pkg/runtime.native.System.IO.Ports.props
index 0b757380fc22fb..6907cdbc5d2de7 100644
--- a/src/libraries/System.IO.Ports/pkg/runtime.native.System.IO.Ports.props
+++ b/src/libraries/System.IO.Ports/pkg/runtime.native.System.IO.Ports.props
@@ -8,7 +8,7 @@
     <DebugType>none</DebugType>
     <IsPackable>true</IsPackable>
     <AllowedOutputExtensionsInSymbolsPackageBuildOutputFolder>$(SymbolsSuffix)</AllowedOutputExtensionsInSymbolsPackageBuildOutputFolder>
-    <TargetsForTfmSpecificDebugSymbolsInPackage Condition="'$(keepNativeSymbols)' != 'true'">$(TargetsForTfmSpecificDebugSymbolsInPackage);AddRuntimeSpecificNativeSymbolToPackage</TargetsForTfmSpecificDebugSymbolsInPackage>
+    <TargetsForTfmSpecificDebugSymbolsInPackage Condition="'$(KeepNativeSymbols)' != 'true'">$(TargetsForTfmSpecificDebugSymbolsInPackage);AddRuntimeSpecificNativeSymbolToPackage</TargetsForTfmSpecificDebugSymbolsInPackage>
     <UseRuntimePackageDisclaimer>true</UseRuntimePackageDisclaimer>
     <!-- This is a native package and doesn't contain any ref/lib assets. -->
     <NoWarn>$(NoWarn);NU5128</NoWarn>

From 410d6d5f61dd548b457e3ef695ec589f147a0200 Mon Sep 17 00:00:00 2001
From: Michael Simons <msimons@microsoft.com>
Date: Thu, 2 Sep 2021 15:35:27 +0000
Subject: [PATCH 3/3] Add clarifing comment

---
 .../System.IO.Ports/pkg/runtime.native.System.IO.Ports.props     | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/libraries/System.IO.Ports/pkg/runtime.native.System.IO.Ports.props b/src/libraries/System.IO.Ports/pkg/runtime.native.System.IO.Ports.props
index 6907cdbc5d2de7..dd4aff2fd0e456 100644
--- a/src/libraries/System.IO.Ports/pkg/runtime.native.System.IO.Ports.props
+++ b/src/libraries/System.IO.Ports/pkg/runtime.native.System.IO.Ports.props
@@ -8,6 +8,7 @@
     <DebugType>none</DebugType>
     <IsPackable>true</IsPackable>
     <AllowedOutputExtensionsInSymbolsPackageBuildOutputFolder>$(SymbolsSuffix)</AllowedOutputExtensionsInSymbolsPackageBuildOutputFolder>
+    <!-- When KeepNativeSymbols is set, debug symbols are kept in the .so files.  Separate symbol files do not exist that need to be packed. -->
     <TargetsForTfmSpecificDebugSymbolsInPackage Condition="'$(KeepNativeSymbols)' != 'true'">$(TargetsForTfmSpecificDebugSymbolsInPackage);AddRuntimeSpecificNativeSymbolToPackage</TargetsForTfmSpecificDebugSymbolsInPackage>
     <UseRuntimePackageDisclaimer>true</UseRuntimePackageDisclaimer>
     <!-- This is a native package and doesn't contain any ref/lib assets. -->