diff --git a/CMakeLists.txt b/CMakeLists.txt
index 68364f8..f4fd522 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,6 @@
 cmake_minimum_required(VERSION 3.10 FATAL_ERROR) # because of c++17
 project(boo)
+cmake_policy(SET CMP0074 NEW)
 
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
@@ -21,6 +22,9 @@ if (IPP_FOUND)
   include_directories(${IPP_INCLUDE_DIRS})
   list(APPEND _BOO_SYS_INCLUDES ${IPP_INCLUDE_DIRS})
   list(APPEND _BOO_SYS_LIBS ${IPP_LIBRARIES})
+  message(STATUS "Building with IPP support")
+else()
+  message(WARNING "IPP not found; skipping support")
 endif ()
 
 set(WITH_LSR_BINDINGS OFF)
diff --git a/soxr/CMakeLists.txt b/soxr/CMakeLists.txt
index 797ea56..61bd596 100644
--- a/soxr/CMakeLists.txt
+++ b/soxr/CMakeLists.txt
@@ -2,6 +2,7 @@
 # Licence for this file: LGPL v2.1                  See LICENCE for details.
 
 cmake_minimum_required (VERSION 2.8 FATAL_ERROR)
+cmake_policy(SET CMP0075 OLD)
 
 #project (soxr C)
 #set (DESCRIPTION_SUMMARY "High quality, one-dimensional sample-rate conversion library")
diff --git a/test/main.cpp b/test/main.cpp
index c098587..3afece3 100644
--- a/test/main.cpp
+++ b/test/main.cpp
@@ -447,8 +447,6 @@ struct TestApplicationCallback : IApplicationCallback
 #elif BOO_HAS_METAL
             if (plat == IGraphicsDataFactory::Platform::Metal)
             {
-                MetalDataFactory::Context& metalF = dynamic_cast<MetalDataFactory::Context&>(ctx);
-
                 static const char* VS =
                 "#include <metal_stdlib>\n"
                 "using namespace metal;\n"
@@ -473,9 +471,11 @@ struct TestApplicationCallback : IApplicationCallback
                 "    return tex.sample(samp, d.out_uv);\n"
                 "}\n";
 
-                pipeline = metalF.newShaderPipeline(VS, FS, nullptr, nullptr, vfmt,
-                                                    BlendFactor::One, BlendFactor::Zero, Primitive::TriStrips,
-                                                    boo::ZTest::LEqual, true, true, true, boo::CullMode::None);
+                auto vertexMetal = MetalDataFactory::CompileMetal(VS, PipelineStage::Vertex);
+                auto vertexShader = ctx.newShaderStage(vertexMetal, PipelineStage::Vertex);
+                auto fragmentMetal = MetalDataFactory::CompileMetal(FS, PipelineStage::Fragment);
+                auto fragmentShader = ctx.newShaderStage(fragmentMetal, PipelineStage::Fragment);
+                pipeline = ctx.newShaderPipeline(vertexShader, fragmentShader, descs, info);
             } else
 #endif
             {}