From 5b1a0cab1dcd4142cecae5a02e1b189f7bf360bd Mon Sep 17 00:00:00 2001
From: Jim Borden <jim.borden@couchbase.com>
Date: Fri, 24 Jul 2026 09:45:38 +0900
Subject: [PATCH] Fix malformed SupportedOSPlatform attribute from wrapped
 csproj lines

Backport of the fix on master: line-wrapping SupportedOSPlatformVersion/
TargetPlatformMinVersion split the tag from its value, and MSBuild
preserved the leading newline+indent verbatim. That whitespace got baked
into the compiled [assembly: SupportedOSPlatform(...)] attribute (e.g.
"Android\r\n      24.0" instead of "android24.0"), which breaks Roslyn's/
Rider's platform-compat version parsing and causes spurious CA1416
warnings for every consumer calling into Couchbase.Lite, even when their
own min-version matches.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
---
 src/Couchbase.Lite/Couchbase.Lite.csproj | 21 ++++++---------------
 1 file changed, 6 insertions(+), 15 deletions(-)

diff --git a/src/Couchbase.Lite/Couchbase.Lite.csproj b/src/Couchbase.Lite/Couchbase.Lite.csproj
index dfa34319a..448308b5b 100644
--- a/src/Couchbase.Lite/Couchbase.Lite.csproj
+++ b/src/Couchbase.Lite/Couchbase.Lite.csproj
@@ -22,21 +22,12 @@
       $(TargetFrameworks);$(DotNetFrameworkVersion);$(MauiDotNetVersion)-windows$(WinUIMinimumVersion)</TargetFrameworks>
     <SingleProject>true</SingleProject>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <SupportedOSPlatformVersion
-      Condition="$(TargetFramework.StartsWith('net')) and $([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'ios'">
-      $(iOSMinimumVersion)</SupportedOSPlatformVersion>
-    <SupportedOSPlatformVersion
-      Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'maccatalyst'">
-      $(MacCatalystMinimumVersion)</SupportedOSPlatformVersion>
-    <SupportedOSPlatformVersion
-      Condition="$(TargetFramework.StartsWith('net')) and $([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'android'">
-      $(MinimumAndroidAPI)</SupportedOSPlatformVersion>
-    <SupportedOSPlatformVersion
-      Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">
-      $(WinUIMinimumVersion)</SupportedOSPlatformVersion>
-    <TargetPlatformMinVersion
-      Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">
-      $(WinUIMinimumVersion)</TargetPlatformMinVersion>
+    <!-- Keep each of these on one line: a line break before the value embeds a literal newline/indent into the compiled SupportedOSPlatform attribute (MSBuild doesn't trim it), which breaks CA1416 platform-compat checks for consumers. -->
+    <SupportedOSPlatformVersion Condition="$(TargetFramework.StartsWith('net')) and $([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'ios'">$(iOSMinimumVersion)</SupportedOSPlatformVersion>
+    <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'maccatalyst'">$(MacCatalystMinimumVersion)</SupportedOSPlatformVersion>
+    <SupportedOSPlatformVersion Condition="$(TargetFramework.StartsWith('net')) and $([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'android'">$(MinimumAndroidAPI)</SupportedOSPlatformVersion>
+    <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">$(WinUIMinimumVersion)</SupportedOSPlatformVersion>
+    <TargetPlatformMinVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">$(WinUIMinimumVersion)</TargetPlatformMinVersion>
     <AssemblyName>Couchbase.Lite</AssemblyName>
     <PackageId>Couchbase.Lite</PackageId>
     <DebugType>portable</DebugType>