--- jdk/make/lib/Awt2dLibraries.gmk.orig	2018-12-02 16:06:28.335527000 -0800
+++ jdk/make/lib/Awt2dLibraries.gmk	2018-12-02 16:29:22.253979000 -0800
@@ -1236,6 +1236,11 @@
     LIBSPLASHSCREEN_splashscreen_png.c_CFLAGS := -x objective-c -O0
     LIBSPLASHSCREEN_splashscreen_sys.m_CFLAGS := -O0
 
+  else ifeq ($(OPENJDK_TARGET_OS), bsd)
+    LIBSPLASHSCREEN_CFLAGS += -DWITH_X11 $(X_CFLAGS) -I$(PACKAGE_PATH)/include
+    ifneq ($(OPENJDK_TARGET_OS_VENDOR), openbsd)
+      LIBSPLASHSCREEN_CFLAGS += %%ICONV_CPPFLAGS%%
+    endif
   else ifeq ($(OPENJDK_TARGET_OS), windows)
     LIBSPLASHSCREEN_CFLAGS += -DWITH_WIN32
   else
@@ -1257,6 +1262,8 @@
         -framework JavaNativeFoundation
   else ifeq ($(OPENJDK_TARGET_OS), windows)
     LIBSPLASHSCREEN_LDFLAGS_SUFFIX += kernel32.lib user32.lib gdi32.lib delayimp.lib -DELAYLOAD:user32.dll
+  else ifeq ($(OPENJDK_TARGET_OS), bsd)
+     LIBSPLASHSCREEN_LDFLAGS_SUFFIX += $(X_LIBS) -lX11 -lXext $(LIBM) %%ICONV_LDFLAGS%% -pthread
   else	# .. all other Unixes can use X_LIBS
     LIBSPLASHSCREEN_LDFLAGS_SUFFIX += $(X_LIBS) -lX11 -lXext $(LIBM) -lpthread
   endif