Not finding dxil no longer an error. Outputs a warning. (#781)

* * Allow dxc compilation to take place if dxil is not found.
* Output a warning that output will not be signed.

* Remove .dll from dxil in warning so more applicable cross platform.

1 files changed, 11 insertions, 0 deletions

diff --git a/source/slang/dxc-support.cpp b/source/slang/dxc-support.cpp
index 7fe22191b..7d2d6dc0c 100644
--- a/source/slang/dxc-support.cpp
+++ b/source/slang/dxc-support.cpp
@@ -64,6 +64,17 @@ namespace Slang
             return SLANG_FAIL;
         }
 
+        {
+            if (!session->getSharedLibrary(SharedLibraryType::Dxil))
+            {
+                // If can't load dxil - dxc will not be able to sign output
+                // Output a suitable warning to the user
+                auto& sink = entryPoint->compileRequest->mSink;
+
+                sink.diagnose(SourceLoc(), Diagnostics::dxilNotFound);
+            }
+        }
+
         ComPtr<IDxcCompiler> dxcCompiler;
         SLANG_RETURN_ON_FAIL(dxcCreateInstance(
             CLSID_DxcCompiler,