Fix vst2 build with new juce

Signed-off-by: falkTX <falktx@falktx.com>

libs/juce-current/source/modules/juce_audio_processors/format_types/juce_VSTInterface.h

@@ -24,6 +24,7 @@
   ==============================================================================
 */
 
+#ifndef JUCE_VSTINTERFACE_H_INCLUDED
 #define JUCE_VSTINTERFACE_H_INCLUDED
 
 using namespace juce;
@@ -527,3 +528,5 @@ struct vst2FxBank
 #else
  #pragma pack(pop)
 #endif
+
+#endif // JUCE_VSTINTERFACE_H_INCLUDED

libs/juce-plugin/JucePluginMain.cpp

@@ -24,7 +24,13 @@
 #elif JucePlugin_Build_VST
  // we need to include 'juce_VSTMidiEventList' before 'juce_VST_Wrapper'
  #include "modules/juce_audio_plugin_client/utility/juce_IncludeSystemHeaders.h"
+ #if JUCE_MAJOR_VERSION >= 6
+ namespace Vst2 {
+ #endif
  #include "modules/juce_audio_processors/format_types/juce_VSTInterface.h"
+ #if JUCE_MAJOR_VERSION >= 6
+ }
+ #endif
  #include "modules/juce_audio_processors/format_types/juce_VSTMidiEventList.h"
  #ifdef JUCE_MAC
   #include "modules/juce_audio_plugin_client/VST/juce_VST_Wrapper.mm"

libs/juce-plugin/juce-legacy/AppConfig.h

@@ -1 +0,0 @@
-../../juce-legacy/build-juce-legacy/AppConfig.h

ports-legacy/meson.build

@@ -67,7 +67,6 @@ plugin_include_dirs = [
     include_directories('../libs/juce-legacy/source'),
     include_directories('../libs/juce-legacy/source/modules'),
     include_directories('../libs/juce-plugin'),
-    include_directories('../libs/juce-plugin/juce-legacy'),
 ]
 
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