Make DotNetBuildFromSource work in more cases.

DotNetBuildFromSource is mostly used when this repository is built as part of source-build.

With these changes the flag works in more cases, making it easier to reproduce the
source-build behavior when building the runtime repository directly.

Directory.Build.props

@@ -130,7 +130,7 @@
     <MonoAOTCompilerTasksAssemblyPath>$([MSBuild]::NormalizePath('$(MonoAOTCompilerDir)', 'MonoAOTCompiler.dll'))</MonoAOTCompilerTasksAssemblyPath>
     <MonoTargetsTasksAssemblyPath>$([MSBuild]::NormalizePath('$(MonoTargetsTasksDir)', 'MonoTargetsTasks.dll'))</MonoTargetsTasksAssemblyPath>
     <TestExclusionListTasksAssemblyPath>$([MSBuild]::NormalizePath('$(TestExclusionListTasksDir)', 'TestExclusionListTasks.dll'))</TestExclusionListTasksAssemblyPath>
-    <CoreCLRToolPath>$([MSBuild]::NormalizeDirectory('$(ArtifactsBinDir)', 'coreclr', '$(TargetOS).$(TargetArchitecture).$(Configuration)'))</CoreCLRToolPath>
+    <CoreCLRToolPath>$([MSBuild]::NormalizeDirectory('$(ArtifactsBinDir)', 'coreclr', '$(TargetOS).$(TargetArchitecture).$(RuntimeConfiguration)'))</CoreCLRToolPath>
     <ILAsmToolPath Condition="'$(DotNetBuildFromSource)' == 'true' or '$(BuildArchitecture)' == 's390x' or '$(BuildArchitecture)' == 'ppc64le'">$(CoreCLRToolPath)</ILAsmToolPath>
 
     <WasmtimeDir>$([MSBuild]::NormalizeDirectory($(ArtifactsObjDir), 'wasmtime'))</WasmtimeDir>
@@ -151,6 +151,7 @@
 
   <PropertyGroup Label="CalculateOS">
     <!-- Default to portable build if not explicitly set -->
+    <PortableBuild Condition="'$(PortableBuild)' == '' and '$(DotNetBuildFromSource)' == 'true'">false</PortableBuild>
     <PortableBuild Condition="'$(PortableBuild)' == ''">true</PortableBuild>
 
     <_parseDistroRid>$(__DistroRid)</_parseDistroRid>
@@ -258,6 +259,8 @@
 
   <!--Feature switches -->
   <PropertyGroup>
+    <NoPgoOptimize Condition="'$(NoPgoOptimize)' == '' and '$(DotNetBuildFromSource)' == 'true'">true</NoPgoOptimize>
+    <EnableNgenOptimization Condition="'$(EnableNgenOptimization)' == '' and '$(DotNetBuildFromSource)' == 'true'">false</EnableNgenOptimization>
     <EnableNgenOptimization Condition="'$(EnableNgenOptimization)' == '' and ('$(Configuration)' == 'Release' or '$(Configuration)' == 'Checked')">true</EnableNgenOptimization>
     <!-- Enable NuGet static graph evaluation to optimize incremental restore -->
     <RestoreUseStaticGraphEvaluation>true</RestoreUseStaticGraphEvaluation>

src/libraries/Common/tests/TestUtilities/System/PlatformDetection.cs

@@ -420,8 +420,10 @@ private static bool GetProtocolSupportFromWindowsRegistry(SslProtocols protocol,
 #pragma warning disable CS0618 // Ssl2 and Ssl3 are obsolete
                 SslProtocols.Ssl3 => "SSL 3.0",
 #pragma warning restore CS0618
+#pragma warning disable SYSLIB0039 // TLS versions 1.0 and 1.1 have known vulnerabilities
                 SslProtocols.Tls => "TLS 1.0",
                 SslProtocols.Tls11 => "TLS 1.1",
+#pragma warning restore SYSLIB0039
                 SslProtocols.Tls12 => "TLS 1.2",
 #if !NETFRAMEWORK
                 SslProtocols.Tls13 => "TLS 1.3",
@@ -491,6 +493,7 @@ private static bool AndroidGetSslProtocolSupport(SslProtocols protocol)
             return (protocol & s_androidSupportedSslProtocols.Value) == protocol;
         }
 
+#pragma warning disable SYSLIB0039 // TLS versions 1.0 and 1.1 have known vulnerabilities
         private static bool GetTls10Support()
         {
             // on macOS and Android TLS 1.0 is supported.
@@ -529,6 +532,7 @@ private static bool GetTls11Support()
 
             return OpenSslGetTlsSupport(SslProtocols.Tls11);
         }
+#pragma warning restore SYSLIB0039
 
         private static bool GetTls12Support()
         {

src/libraries/Common/tests/TestUtilities/System/WindowsIdentityFixture.cs

@@ -118,8 +118,8 @@ private void CreateUser()
         [return: MarshalAs(UnmanagedType.Bool)]
         private static partial bool LogonUser(string userName, string domain, string password, int logonType, int logonProvider, out SafeAccessTokenHandle safeAccessTokenHandle);
 
-        [LibraryImport("netapi32.dll", SetLastError = true)]
-        internal static partial uint NetUserAdd([MarshalAs(UnmanagedType.LPWStr)] string servername, uint level, ref USER_INFO_1 buf, out uint parm_err);
+        [DllImport("netapi32.dll", SetLastError = true)]
+        internal static extern uint NetUserAdd([MarshalAs(UnmanagedType.LPWStr)] string servername, uint level, ref USER_INFO_1 buf, out uint parm_err);
 
         [LibraryImport("netapi32.dll")]
         internal static partial uint NetUserDel([MarshalAs(UnmanagedType.LPWStr)] string servername, [MarshalAs(UnmanagedType.LPWStr)] string username);

src/libraries/Microsoft.NETCore.Platforms/tests/Microsoft.NETCore.Platforms.Tests.csproj

@@ -1,6 +1,8 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFrameworks>$(NetCoreAppCurrent);net472</TargetFrameworks>
+    <!-- Don't build for NETFramework during source-build. -->
+    <TargetFrameworks Condition="'$(DotNetBuildFromSource)' == 'true'">$(NetCoreAppCurrent)</TargetFrameworks>
     <IgnoreForCI Condition="'$(TargetOS)' == 'browser'">true</IgnoreForCI>
   </PropertyGroup>
 

src/tests/Directory.Build.props

@@ -74,6 +74,7 @@
     <RuntimeFlavor Condition="'$(RuntimeFlavor)' == ''">coreclr</RuntimeFlavor>
 
     <RestoreDefaultOptimizationDataPackage Condition="'$(RestoreDefaultOptimizationDataPackage)' == ''">false</RestoreDefaultOptimizationDataPackage>
+    <PortableBuild Condition="'$(PortableBuild)' == '' and '$(DotNetBuildFromSource)' == 'true'">false</PortableBuild>
     <PortableBuild Condition="'$(PortableBuild)' == ''">true</PortableBuild>
 
     <UsePartialNGENOptimization Condition="'$(UsePartialNGENOptimization)' == ''">false</UsePartialNGENOptimization>