Patch the rest of the VST3 SDK for winegcc

meson.build

@@ -183,6 +183,19 @@ if with_vst3
     override_options : ['warning_level=0'],
     native : false,
   )
+  vst3_sdk_hosting_wine = static_library(
+    'sdk_hosting_wine',
+    vst3.get_variable('sdk_common_sources') + vst3.get_variable('sdk_hosting_sources'),
+    link_with : [vst3_base_wine, vst3_pluginterfaces_wine],
+    cpp_args : vst3_compiler_options + vst3_wine_compiler_options + ['-Wno-multichar'],
+    include_directories : vst3_include_dir,
+    override_options : ['warning_level=0'],
+    native : false,
+  )
+  vst3_sdk_hosting_wine_dep = declare_dependency(
+    link_with : vst3_sdk_hosting_wine,
+    include_directories : vst3_include_dir,
+  )
 else
   message('VST3 support has been disabled')
 endif

tools/patch-vst3-sdk.sh

@@ -57,6 +57,12 @@ replace_char16 "using Converter = std::wstring_convert<std::codecvt_utf8_utf16<c
 # version here is trying to do something funky
 sed -i 's/\b__MINGW32__\b/__NOPE__/g' "$sdk_directory/pluginterfaces/base/funknown.cpp"
 
+# We're building with `WIN32_LEAN_AND_MEAN` because some of the definitions in
+# there conflict with the C standard library as provided by GCC. This also
+# excludes the shell API, which the VST3 SDK uses to open URLs.
+sed -i "s/^#include <windows.h>$/#include <windows.h>  \\/\\/ patched for yabridge\\
+#include <shellapi.h>/" "$sdk_directory/public.sdk/source/common/openurl.cpp"
+
 # Meson requires this program to output something, or else it will error out
 # when trying to encode the empty output
 echo "Successfully patched '$sdk_directory' for winegcc compatibility"