Fix memory leak in yoga

Author: kunitoki

thirdparty/rive/rive.h

@@ -33,7 +33,7 @@
     license:            MIT
 
     dependencies:       harfbuzz sheenbidi yoga_library
-    defines:            WITH_RIVE_TEXT=1 WITH_RIVE_YOGA=1 WITH_RIVE_LAYOUT=1 WITH_RIVE_TOOLS=1
+    defines:            WITH_RIVE_TEXT=1 WITH_RIVE_YOGA=1 WITH_RIVE_LAYOUT=1
     appleFrameworks:    CoreText
     searchpaths:        include
 

thirdparty/yoga_library/upstream/yoga/Yoga.cpp

@@ -197,9 +197,27 @@ YOGA_EXPORT YGNodeRef YGNodeNewWithConfig(const YGConfigRef config) {
   return node;
 }
 
+namespace {
+struct YogaWrapperWithCleanup {
+  YogaWrapperWithCleanup()
+    : defaultConfig (YGConfigNew())
+  {
+  }
+
+  ~YogaWrapperWithCleanup() {
+    if (defaultConfig != nullptr) {
+      YGConfigFree (defaultConfig);
+      defaultConfig = nullptr;
+    }
+  }
+
+  YGConfigRef defaultConfig = nullptr;
+};
+} // namespace
+
 YOGA_EXPORT YGConfigRef YGConfigGetDefault() {
-  static YGConfigRef defaultConfig = YGConfigNew();
-  return defaultConfig;
+  static YogaWrapperWithCleanup defaultWrapper = YogaWrapperWithCleanup();
+  return defaultWrapper.defaultConfig;
 }
 
 YOGA_EXPORT YGNodeRef YGNodeNew(void) {

thirdparty/yoga_library/yoga_library.h

@@ -29,7 +29,7 @@
     version:          2.0.1
     name:             A portable layout engine targeting web standards
     description:      A portable layout engine targeting web standards.
-    website:          https://www.zlib.net/
+    website:          https://github.com/facebook/yoga
     license:          Public Domain
 
     searchpaths:      upstream