vapoursynth: Add Mac support

.github/workflows/ci.yml

@@ -53,13 +53,13 @@ jobs:
             name: macOS Debug,
             os: macos-latest,
             buildtype: debugoptimized,
-            args: -Ddefault_library=static -Dbuild_osx_bundle=true -Dlocal_boost=true
+            args: -Ddefault_library=static -Dbuild_osx_bundle=true -Dlocal_boost=true -Dvapoursynth=enabled
           }
           - {
             name: macOS Release,
             os: macos-latest,
             buildtype: release,
-            args: -Ddefault_library=static -Dbuild_osx_bundle=true -Dlocal_boost=true
+            args: -Ddefault_library=static -Dbuild_osx_bundle=true -Dlocal_boost=true -Dvapoursynth=enabled
           }
 
     steps:

src/vapoursynth_wrap.cpp

@@ -26,8 +26,6 @@
 
 #include "options.h"
 
-#include <mutex>
-
 #ifndef _WIN32
 #include <dlfcn.h>
 #endif
@@ -35,7 +33,13 @@
 #ifdef _WIN32
 #define VSSCRIPT_SO "vsscript.dll"
 #else
+#ifdef __APPLE__
+#define VSSCRIPT_SO "libvapoursynth-script.dylib"
+#define DLOPEN_FLAGS RTLD_LAZY | RTLD_GLOBAL
+#else
 #define VSSCRIPT_SO "libvapoursynth-script.so"
+#define DLOPEN_FLAGS RTLD_LAZY | RTLD_GLOBAL | RTLD_DEEPBIND
+#endif
 #endif
 
 // Allocate storage for and initialise static members
@@ -63,7 +67,7 @@ VapourSynthWrapper::VapourSynthWrapper() {
 #undef _Lstr
 #undef CONCATENATE
 #else
-		hLib = dlopen(VSSCRIPT_SO, RTLD_LAZY | RTLD_GLOBAL | RTLD_DEEPBIND);
+		hLib = dlopen(VSSCRIPT_SO, DLOPEN_FLAGS);
 #endif
 
 		if (!hLib)

src/vapoursynth_wrap.h

@@ -21,13 +21,14 @@
 
 #ifdef WITH_VAPOURSYNTH
 
+#include <mutex>
+
 #include <libaegisub/exception.h>
 
 DEFINE_EXCEPTION(VapourSynthError, agi::Exception);
 
 struct VSAPI;
 struct VSSCRIPTAPI;
-namespace std { class mutex; }
 
 class VapourSynthWrapper {
 	VapourSynthWrapper(VapourSynthWrapper const&);