Add ChecksumAlgorithm to csc/vbc build task (#11657)

Add ChecksumAlgorithm to csc/vbc build task

Fixes #10451

src/Compilers/Core/MSBuildTask/Shared/ManagedCompiler.cs

@@ -60,6 +60,12 @@ public ITaskItem[] Analyzers
         // We do not support BugReport because it always requires user interaction,
         // which will cause a hang.
 
+        public string ChecksumAlgorithm
+        {
+            set { _store[nameof(ChecksumAlgorithm)] = value; }
+            get { return (string)_store[nameof(ChecksumAlgorithm)]; }
+        }
+
         public string CodeAnalysisRuleSet
         {
             set { _store[nameof(CodeAnalysisRuleSet)] = value; }
@@ -698,6 +704,7 @@ internal void AddResponseFileCommandsForSwitchesSinceInitialReleaseThatAreNeeded
             commandLine.AppendPlusOrMinusSwitch("/deterministic", _store, nameof(Deterministic));
             commandLine.AppendPlusOrMinusSwitch("/publicsign", _store, nameof(PublicSign));
             commandLine.AppendSwitchIfNotNull("/runtimemetadataversion:", RuntimeMetadataVersion);
+            commandLine.AppendSwitchIfNotNull("/checksumalgorithm:", ChecksumAlgorithm);
 
             AddFeatures(commandLine, Features);
         }

src/Compilers/Core/MSBuildTask/Shared/Microsoft.CSharp.Core.targets

@@ -73,6 +73,7 @@
           ApplicationConfiguration="$(AppConfigForCompiler)"
           BaseAddress="$(BaseAddress)"
           CheckForOverflowUnderflow="$(CheckForOverflowUnderflow)"
+          ChecksumAlgorithm="$(ChecksumAlgorithm)"
           CodeAnalysisRuleSet="$(ResolvedCodeAnalysisRuleSet)"
           CodePage="$(CodePage)"
           DebugType="$(DebugType)"

src/Compilers/Core/MSBuildTask/Shared/Microsoft.VisualBasic.Core.targets

@@ -59,6 +59,7 @@
           AdditionalFiles="@(AdditionalFiles)"
           Analyzers="@(Analyzer)"
           BaseAddress="$(BaseAddress)"
+          ChecksumAlgorithm="$(ChecksumAlgorithm)"
           CodeAnalysisRuleSet="$(ResolvedCodeAnalysisRuleSet)"
           CodePage="$(CodePage)"
           DebugType="$(DebugType)"

src/Compilers/Core/MSBuildTaskTests/CscTests.cs

@@ -90,6 +90,25 @@ public void RuntimeMetadataVersionFlag()
             Assert.Equal("/out:test.exe test.cs", csc.GenerateResponseFileContents());
         }
 
+        [Fact]
+        public void ChecksumAlgorithmOption()
+        {
+            var csc = new Csc();
+            csc.Sources = MSBuildUtil.CreateTaskItems("test.cs");
+            csc.ChecksumAlgorithm = "sha256";
+            Assert.Equal("/out:test.exe /checksumalgorithm:sha256 test.cs", csc.GenerateResponseFileContents());
+
+            csc = new Csc();
+            csc.Sources = MSBuildUtil.CreateTaskItems("test.cs");
+            csc.ChecksumAlgorithm = null;
+            Assert.Equal("/out:test.exe test.cs", csc.GenerateResponseFileContents());
+
+            csc = new Csc();
+            csc.Sources = MSBuildUtil.CreateTaskItems("test.cs");
+            csc.ChecksumAlgorithm = "";
+            Assert.Equal("/out:test.exe /checksumalgorithm: test.cs", csc.GenerateResponseFileContents());
+        }
+
         [Fact]
         public void TargetTypeDll()
         {

src/Compilers/Core/MSBuildTaskTests/VbcTests.cs

@@ -87,6 +87,25 @@ public void RuntimeMetadataVersionFlag()
             Assert.Equal("/optionstrict:custom /out:test.exe test.vb", vbc.GenerateResponseFileContents());
         }
 
+        [Fact]
+        public void ChecksumAlgorithmOption()
+        {
+            var vbc = new Vbc();
+            vbc.Sources = MSBuildUtil.CreateTaskItems("test.vb");
+            vbc.ChecksumAlgorithm = "sha256";
+            Assert.Equal("/optionstrict:custom /out:test.exe /checksumalgorithm:sha256 test.vb", vbc.GenerateResponseFileContents());
+
+            vbc = new Vbc();
+            vbc.Sources = MSBuildUtil.CreateTaskItems("test.vb");
+            vbc.ChecksumAlgorithm = null;
+            Assert.Equal("/optionstrict:custom /out:test.exe test.vb", vbc.GenerateResponseFileContents());
+
+            vbc = new Vbc();
+            vbc.Sources = MSBuildUtil.CreateTaskItems("test.vb");
+            vbc.ChecksumAlgorithm = "";
+            Assert.Equal("/optionstrict:custom /out:test.exe /checksumalgorithm: test.vb", vbc.GenerateResponseFileContents());
+        }
+
         [Fact]
         public void TargetTypeDll()
         {