VST2 plugins don’t compile for 32 bit macOS using Xcode 9. Please make the following change:
diff --git a/modules/juce_audio_plugin_client/VST/juce_VST_Wrapper.cpp b/modules/juce_audio_plugin_client/VST/juce_VST_Wrapper.cpp
index c6dc1cbdd..f29bb4517 100644
--- a/modules/juce_audio_plugin_client/VST/juce_VST_Wrapper.cpp
+++ b/modules/juce_audio_plugin_client/VST/juce_VST_Wrapper.cpp
@@ -2283,7 +2283,7 @@ private:
int32 blockSize = 1024;
Vst2::AEffect vstEffect;
CriticalSection stateInformationLock;
- MemoryBlock chunkMemory;
+ juce::MemoryBlock chunkMemory;
uint32 chunkMemoryTime = 0;
std::unique_ptr<EditorCompWrapper> editorComp;
Vst2::ERect editorBounds;