--- old/make/modules/java.desktop/lib/Awt2dLibraries.gmk	2020-07-21 14:25:01.486862318 -0700
+++ new/make/modules/java.desktop/lib/Awt2dLibraries.gmk	2020-07-21 14:25:01.226862323 -0700
@@ -429,6 +429,14 @@
 
 HARFBUZZ_CFLAGS := -DHAVE_OT -DHAVE_FALLBACK -DHAVE_UCDN -DHAVE_ROUND
 
+# This is better than adding EXPORT_ALL_SYMBOLS
+ifneq ($(filter $(TOOLCHAIN_TYPE), gcc clang), )
+HARFBUZZ_CFLAGS += -DHB_EXTERN=__attribute__\(\(visibility\(\"default\"\)\)\)
+else ifeq ($(TOOLCHAIN_TYPE), microsoft)
+    HARFBUZZ_CFLAGS += -DHB_EXTERN=__declspec\(dllexport\)
+endif
+
+
 ifeq ($(call isTargetOs, windows), false)
   HARFBUZZ_CFLAGS += -DGETPAGESIZE -DHAVE_MPROTECT -DHAVE_PTHREAD \
                       -DHAVE_SYSCONF -DHAVE_SYS_MMAN_H -DHAVE_UNISTD_H \
@@ -441,18 +449,67 @@
   HARFBUZZ_CFLAGS += -DHAVE_CORETEXT
 endif
 ifeq ($(call isTargetOs, macosx), false)
-  LIBFONTMANAGER_EXCLUDE_FILES += harfbuzz/hb-coretext.cc
+  LIBHARFBUZZ_EXCLUDE_FILES += harfbuzz/hb-coretext.cc
 endif
 # hb-ft.cc is not presently needed, and requires freetype 2.4.2 or later.
-LIBFONTMANAGER_EXCLUDE_FILES += harfbuzz/hb-ft.cc
+LIBHARFBUZZ_EXCLUDE_FILES += harfbuzz/hb-ft.cc
+
+LIBHARFBUZZ_CFLAGS += $(HARFBUZZ_CFLAGS)
 
-LIBFONTMANAGER_CFLAGS += $(HARFBUZZ_CFLAGS)
+  # For use by libfontmanager:
+  ifeq ($(call isTargetOs, windows), true)
+    LIBHARFBUZZ_LIBS := $(SUPPORT_OUTPUTDIR)/native/$(MODULE)/libharfbuzz/harfbuzz.lib
+  else
+    LIBHARFBUZZ_LIBS := -lharfbuzz
+  endif
 
 #### End harfbuzz configuration
 
+LIBHARFBUZZ_EXTRA_HEADER_DIRS := \
+    libharfbuzz/hb-ucdn \
+    #
+
+LIBHARFBUZZ_OPTIMIZATION := HIGH
+
+LIBHARFBUZZ_CFLAGS += $(X_CFLAGS) -DLE_STANDALONE -DHEADLESS
+
+$(eval $(call SetupJdkLibrary, BUILD_LIBHARFBUZZ, \
+    NAME := harfbuzz, \
+    EXCLUDE_FILES := $(LIBHARFBUZZ_EXCLUDE_FILES), \
+    TOOLCHAIN := TOOLCHAIN_LINK_CXX, \
+    CFLAGS := $(CFLAGS_JDKLIB) $(LIBHARFBUZZ_CFLAGS), \
+    CXXFLAGS := $(CXXFLAGS_JDKLIB) $(LIBHARFBUZZ_CFLAGS), \
+    OPTIMIZATION := $(LIBHARFBUZZ_OPTIMIZATION), \
+    CFLAGS_windows = -DCC_NOEX, \
+    EXTRA_HEADER_DIRS := $(LIBHARFBUZZ_EXTRA_HEADER_DIRS), \
+    WARNINGS_AS_ERRORS_xlc := false, \
+    DISABLED_WARNINGS_gcc := type-limits missing-field-initializers strict-aliasing, \
+    DISABLED_WARNINGS_CXX_gcc := reorder delete-non-virtual-dtor strict-overflow \
+        maybe-uninitialized class-memaccess, \
+    DISABLED_WARNINGS_clang := unused-value incompatible-pointer-types \
+        tautological-constant-out-of-range-compare int-to-pointer-cast \
+        undef missing-field-initializers, \
+    DISABLED_WARNINGS_microsoft := 4267 4244 4090 4146 4334 4819 4101 4068 4805 4138, \
+      LDFLAGS := $(LDFLAGS_JDKLIB) \
+          $(call SET_SHARED_LIBRARY_ORIGIN), \
+    LDFLAGS_unix := -L$(INSTALL_LIBRARIES_HERE), \
+    LDFLAGS_aix := -Wl$(COMMA)-berok, \
+    LIBS := $(BUILD_LIBHARFBUZZ), \
+    LIBS_unix := $(LIBM) $(LIBCXX), \
+    LIBS_macosx := -framework CoreText -framework CoreFoundation -framework CoreGraphics, \
+    LIBS_windows := user32.lib, \
+))
+
+ifeq ($(FREETYPE_TO_USE), bundled)
+  $(BUILD_LIBHARFBUZZ): $(BUILD_LIBFREETYPE)
+endif
+
+TARGETS += $(BUILD_LIBHARFBUZZ)
+
+###########################################################################
+
 LIBFONTMANAGER_EXTRA_HEADER_DIRS := \
-    libfontmanager/harfbuzz \
-    libfontmanager/harfbuzz/hb-ucdn \
+    libharfbuzz \
     common/awt \
     common/font \
     libawt/java2d \
@@ -460,8 +517,8 @@
     libawt/java2d/loops \
     #
 
-LIBFONTMANAGER_CFLAGS += $(LIBFREETYPE_CFLAGS)
-BUILD_LIBFONTMANAGER_FONTLIB += $(LIBFREETYPE_LIBS)
+LIBFONTMANAGER_CFLAGS += $(LIBFREETYPE_CFLAGS) $(HARFBUZZ_FLAGS)
+BUILD_LIBFONTMANAGER_FONTLIB += $(LIBHARFBUZZ_LIBS) $(LIBFREETYPE_LIBS)
 
 LIBFONTMANAGER_OPTIMIZATION := HIGH
 
@@ -502,15 +559,9 @@
     CFLAGS_windows = -DCC_NOEX, \
     EXTRA_HEADER_DIRS := $(LIBFONTMANAGER_EXTRA_HEADER_DIRS), \
     WARNINGS_AS_ERRORS_xlc := false, \
-    DISABLED_WARNINGS_gcc := sign-compare int-to-pointer-cast \
-        type-limits missing-field-initializers implicit-fallthrough \
-        strict-aliasing undef unused-function, \
-    DISABLED_WARNINGS_CXX_gcc := reorder delete-non-virtual-dtor strict-overflow \
-        maybe-uninitialized class-memaccess, \
-    DISABLED_WARNINGS_clang := unused-value incompatible-pointer-types \
-        tautological-constant-out-of-range-compare int-to-pointer-cast \
-        sign-compare undef missing-field-initializers, \
-    DISABLED_WARNINGS_microsoft := 4267 4244 4018 4090 4996 4146 4334 4819 4101 4068 4805 4138, \
+    DISABLED_WARNINGS_gcc := sign-compare unused-function, \
+    DISABLED_WARNINGS_clang := sign-compare, \
+    DISABLED_WARNINGS_microsoft := 4018 4146 4244 4996, \
     LDFLAGS := $(subst -Xlinker -z -Xlinker defs,, \
         $(subst -Wl$(COMMA)-z$(COMMA)defs,,$(LDFLAGS_JDKLIB))) $(LDFLAGS_CXX_JDK) \
         $(call SET_SHARED_LIBRARY_ORIGIN), \
@@ -518,13 +569,12 @@
     LDFLAGS_aix := -Wl$(COMMA)-berok, \
     LIBS := $(BUILD_LIBFONTMANAGER_FONTLIB), \
     LIBS_unix := -lawt -ljava -ljvm $(LIBM) $(LIBCXX), \
-    LIBS_macosx := -lawt_lwawt -framework CoreText -framework CoreFoundation \
-        -framework CoreGraphics, \
+    LIBS_macosx := -lawt_lwawt, \
     LIBS_windows := $(WIN_JAVA_LIB) advapi32.lib user32.lib gdi32.lib \
         $(WIN_AWT_LIB), \
 ))
 
-$(BUILD_LIBFONTMANAGER): $(BUILD_LIBAWT)
+$(BUILD_LIBFONTMANAGER): $(BUILD_LIBAWT) $(BUILD_LIBHARFBUZZ)
 
 ifeq ($(call isTargetOs, macosx), true)
   $(BUILD_LIBFONTMANAGER): $(call FindLib, $(MODULE), awt_lwawt)