Fix vst3 mingw build, silence some warnings

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

libs/juce-current/meson.build

@@ -37,18 +37,18 @@ juce_current_extra_cpp_args = [
     '-Wno-non-virtual-dtor',
 ]
 
-# if os_windows
-juce_current_extra_cpp_args += [
-    '-D_NATIVE_WCHAR_T_DEFINED',
-    '-D__wchar_t=wchar_t',
-    '-Wno-unknown-pragmas',
-]
-if host_machine.cpu() == 'x86'
+if os_windows
     juce_current_extra_cpp_args += [
-        '-mpreferred-stack-boundary=2',
+        '-D_NATIVE_WCHAR_T_DEFINED',
+        '-D__wchar_t=wchar_t',
+        '-Wno-unknown-pragmas',
     ]
+    if host_machine.cpu() == 'x86'
+        juce_current_extra_cpp_args += [
+            '-mpreferred-stack-boundary=2',
+        ]
+    endif
 endif
-# endif
 
 lib_juce_current = static_library('juce-current',
     sources: juce_current_srcs,

libs/juce-current/source/modules/juce_audio_plugin_client/VST/juce_VST_Wrapper.cpp

@@ -61,7 +61,7 @@ JUCE_BEGIN_IGNORE_WARNINGS_MSVC (4996 4100)
  #define PRAGMA_ALIGN_SUPPORTED 1
 #endif
 
-#ifndef _MSC_VER
+#if ! JUCE_WINDOWS
  #define __cdecl
 #endif
 

libs/juce-current/source/modules/juce_audio_plugin_client/utility/juce_CheckSettingMacros.h

@@ -73,11 +73,6 @@
  #define JucePlugin_Build_RTAS 0
 #endif
 
-#if ! (defined (_MSC_VER) || defined (__APPLE_CPP__) || defined (__APPLE_CC__) || defined (LINUX) || defined (__linux__))
- #undef JucePlugin_Build_VST3
- #define JucePlugin_Build_VST3 0
-#endif
-
 //==============================================================================
 #if JucePlugin_Build_LV2 && ! defined (JucePlugin_LV2URI)
  #error "You need to define the JucePlugin_LV2URI value!"

libs/juce-legacy/meson.build

@@ -32,6 +32,16 @@ else
     ]
 endif
 
+juce_legacy_extra_cpp_args = [
+    '-Wno-non-virtual-dtor',
+]
+
+if os_windows
+    juce_legacy_extra_cpp_args += [
+        '-Wno-unknown-pragmas',
+    ]
+endif
+
 lib_juce_legacy = static_library('juce-legacy',
     sources: juce_legacy_srcs,
     include_directories: [
@@ -40,7 +50,7 @@ lib_juce_legacy = static_library('juce-legacy',
         include_directories('source' / 'modules'),
         include_directories('..' / 'juced' / 'source' / 'dependancies' / 'ladspa_sdk' / 'src'),
     ],
-    cpp_args: build_flags_cpp,
+    cpp_args: build_flags_cpp + juce_legacy_extra_cpp_args,
     dependencies: dependencies,
     pic: true,
     install: false,

libs/juce-plugin/JucePluginUtils.cpp

@@ -7,8 +7,20 @@
 */
 
 #include "AppConfig.h"
+
+#define JUCE_CORE_INCLUDE_NATIVE_HEADERS 1
+#define JUCE_GUI_BASICS_INCLUDE_XHEADERS 1
+#include "modules/juce_gui_basics/juce_gui_basics.h"
+#undef None
+
 #include "JucePluginMain.h"
 
+#if JucePlugin_Build_AU || JucePlugin_Build_LV2 || JucePlugin_Build_RTAS || JucePlugin_Build_VST || JucePlugin_Build_VST3 || JucePlugin_Build_Standalone
+ // all good here
+#else
+ #error Invalid configuration
+#endif
+
 #if ! JucePlugin_Build_Standalone
  #include "modules/juce_audio_plugin_client/utility/juce_PluginUtilities.cpp"
 #endif

ports/meson.build

@@ -141,6 +141,13 @@ build_flags_plugin_vst3 = [
     '-Wno-non-virtual-dtor',
 ]
 
+if os_windows
+    build_flags_plugin_vst3 += [
+        '-D_NATIVE_WCHAR_T_DEFINED',
+        '-D__wchar_t=wchar_t',
+    ]
+endif
+
 ###############################################################################
 
 foreach plugin : plugins