Index: modules/javafx.web/src/main/native/Source/WTF/wtf/PlatformUse.h
--- modules/javafx.web/src/main/native/Source/WTF/wtf/PlatformUse.h.orig
+++ modules/javafx.web/src/main/native/Source/WTF/wtf/PlatformUse.h
@@ -173,8 +173,10 @@
 #define USE_METAL 1
 #endif
 
-#if PLATFORM(GTK) || PLATFORM(WPE) || PLATFORM(JAVA) && OS(LINUX)
+#if PLATFORM(GTK) || PLATFORM(WPE) || PLATFORM(JAVA) && (OS(LINUX) || OS(OPENBSD))
 #define USE_UNIX_DOMAIN_SOCKETS 1
+#undef USE_SYSTEM_MALLOC
+#define USE_SYSTEM_MALLOC 1
 #endif
 
 #if !defined(USE_IMLANG_FONT_LINK2)
