--- src/ports/SkScalerContext_mac_ct.cpp.orig	2026-04-26 18:39:49.904132776 +0000
+++ src/ports/SkScalerContext_mac_ct.cpp	2026-04-26 18:40:08.983626802 +0000
@@ -19,6 +19,12 @@
 #include <CoreFoundation/CoreFoundation.h>
 #endif
 
+// kCTFontOrientationHorizontal was introduced in macOS 10.8
+// Use kCTFontDefaultOrientation (value 0) for older systems
+#ifndef kCTFontOrientationHorizontal
+#define kCTFontOrientationHorizontal kCTFontDefaultOrientation
+#endif
+
 #include "include/core/SkColor.h"
 #include "include/core/SkFontMetrics.h"
 #include "include/core/SkFontTypes.h"
@@ -287,7 +293,15 @@
     // So always make the font transform identity and place the transform on the context.
     point = CGPointApplyAffineTransform(point, context.fInvTransform);
 
+#if MAC_OS_X_VERSION_MIN_REQUIRED < 1070
+    // For macOS 10.6: use CGContextShowGlyphsAtPositions instead of CTFontDrawGlyphs
+    // CTFontDrawGlyphs was introduced in macOS 10.7
+    CGContextSetFont(fCG.get(), context.fCGFont.get());
+    CGContextSetFontSize(fCG.get(), CTFontGetSize(context.fCTFont.get()));
+    CGContextShowGlyphsAtPositions(fCG.get(), &glyphID, &point, 1);
+#else
     CTFontDrawGlyphs(context.fCTFont.get(), &glyphID, &point, 1, fCG.get());
+#endif
 
     SkASSERT(rowBytesPtr);
     *rowBytesPtr = rowBytes;