1 files changed, 19 insertions, 1 deletions

diff --git a/src/WixToolset.Core/CommandLine/BuildCommand.cs b/src/WixToolset.Core/CommandLine/BuildCommand.cs
index 065467bd..2216a80f 100644
--- a/src/WixToolset.Core/CommandLine/BuildCommand.cs
+++ b/src/WixToolset.Core/CommandLine/BuildCommand.cs
@@ -50,6 +50,8 @@ namespace WixToolset.Core.CommandLine
 
         private string OutputFile { get; set; }
 
+        private CompressionLevel? DefaultCompressionLevel { get; set; }
+
         private string ContentsFile { get; set; }
 
         private string OutputsFile { get; set; }
@@ -82,6 +84,8 @@ namespace WixToolset.Core.CommandLine
 
             this.BuiltOutputsFile = this.commandLine.BuiltOutputsFile;
 
+            this.DefaultCompressionLevel = this.commandLine.DefaultCompressionLevel;
+
             var preprocessorVariables = this.commandLine.GatherPreprocessorVariables();
 
             var sourceFiles = this.commandLine.GatherSourceFiles(this.IntermediateFolder);
@@ -335,7 +339,7 @@ namespace WixToolset.Core.CommandLine
                     //context.CabbingThreadCount = this.CabbingThreadCount;
                     context.CabCachePath = cabCachePath;
                     context.Codepage = resolveResult.Codepage;
-                    //context.DefaultCompressionLevel = this.DefaultCompressionLevel;
+                    context.DefaultCompressionLevel = this.DefaultCompressionLevel;
                     context.DelayedFields = resolveResult.DelayedFields;
                     context.ExpectedEmbeddedFiles = resolveResult.ExpectedEmbeddedFiles;
                     context.Extensions = this.ExtensionManager.GetServices<IBinderExtension>();
@@ -529,6 +533,8 @@ namespace WixToolset.Core.CommandLine
 
             public string OutputType { get; private set; }
 
+            public CompressionLevel? DefaultCompressionLevel { get; private set; }
+
             public string ContentsFile { get; private set; }
 
             public string OutputsFile { get; private set; }
@@ -611,6 +617,18 @@ namespace WixToolset.Core.CommandLine
                             parser.GetNextArgumentOrError(arg, this.Defines);
                             return true;
 
+                        case "dcl":
+                        case "defaultcompressionlevel":
+                        {
+                            var value = parser.GetNextArgumentOrError(arg);
+                            if (Enum.TryParse(value, true, out CompressionLevel compressionLevel))
+                            {
+                                this.DefaultCompressionLevel = compressionLevel;
+                                return true;
+                            }
+                            return false;
+                        }
+
                         case "i":
                         case "includepath":
                             parser.GetNextArgumentOrError(arg, this.IncludeSearchPaths);