Fix Linux build: guard Darwin-only CGPath code

Author: Kyle-Ye

Sources/OpenRenderBox/Path/ORBPath.cpp

@@ -25,21 +25,6 @@ static const ORBPathCallbacks empty_path_callbacks = {
     nullptr,
 };
 
-namespace {
-ORBPath make_rect(CGRect rect, const CGAffineTransform *transform, ORBPathElement element) {
-    if (CGRectIsNull(rect)) {
-        return ORBPathNull;
-    }
-    if (transform == nullptr || CGAffineTransformIsIdentity(*transform)) {
-        // TODO
-        return ORBPathNull;
-    } else {
-        // TODO
-        return ORBPathNull;
-    }
-}
-} /* anonymous namespace */
-
 // Empty path (storage = null)
 const ORBPath ORBPathEmpty = {
     nullptr,
@@ -70,6 +55,21 @@ void ORBPathRelease(ORBPath path) {
 
 // MARK: - Path Creation
 
+namespace {
+ORBPath make_rect(CGRect rect, const CGAffineTransform *transform, ORBPathElement element) {
+    if (CGRectIsNull(rect)) {
+        return ORBPathNull;
+    }
+    if (transform == nullptr || CGAffineTransformIsIdentity(*transform)) {
+        // TODO
+        return ORBPathNull;
+    } else {
+        // TODO
+        return ORBPathNull;
+    }
+}
+} /* anonymous namespace */
+
 // TODO: TO be implemented natively
 
 ORBPath ORBPathMakeWithCGPath(CGPathRef cgPath) {

Sources/OpenRenderBox/Path/PathStorage.cpp

@@ -67,11 +67,13 @@ Storage::~Storage() {
     }
     // TODO: MapCache
     if (flags().isExternal()) {
+        #if ORB_TARGET_OS_DARWIN
         if (cachedCGPath() != nullptr) {
             auto oldCache = cachedCGPath();
             _cached_cgPath = nullptr;
             CFRelease(oldCache);
         }
+        #endif
         free((void *)external_storage());
     }
 }
@@ -107,6 +109,7 @@ bool Storage::apply_elements_(void *info, ORBPathApplyCallback callback) const O
     return true;
 }
 
+#if ORB_TARGET_OS_DARWIN
 CGPathRef Storage::cgpath() const ORB_NOEXCEPT {
     if (flags().isInline()) {
         return nullptr;
@@ -145,6 +148,7 @@ CGPathRef Storage::cgpath() const ORB_NOEXCEPT {
         return expected;
     }
 }
+#endif
 
 } /* Path */
 } /* ORB */