diff --git a/core/armelf.xsc b/core/armelf.xsc
deleted file mode 100644
index 9fac3d2..0000000
--- a/core/armelf.xsc
+++ /dev/null
@@ -1,207 +0,0 @@
-/* Script for --shared -z combreloc: shared library, combine & sort relocs */
-OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm",
-	      "elf32-littlearm")
-OUTPUT_ARCH(arm)
-ENTRY(_start)
-SECTIONS
-{
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-  .rel.plt        : { *(.rel.plt) }
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-  {
-    KEEP (*(.init))
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-  {
-    *(.text .stub .text.* .gnu.linkonce.t.*)
-    KEEP (*(.text.*personality*))
-    /* .gnu.warning sections are handled specially by elf32.em.  */
-    *(.gnu.warning)
-    *(.glue_7t) *(.glue_7)
-  } =0
-  .fini           :
-  {
-    KEEP (*(.fini))
-  } =0
-  PROVIDE (__etext = .);
-  PROVIDE (_etext = .);
-  PROVIDE (etext = .);
-  .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
-  .rodata1        : { *(.rodata1) }
-  /* We have to wrap extab and exidx sections with KEEP because we use
-     --gc-sections. */
-  .ARM.extab   : { KEEP (*(.ARM.extab* .gnu.linkonce.armextab.*)) }
-   __exidx_start = .;
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-     a page boundary to make life easier for apriori. */
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-  /* Exception handling  */
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-  .tdata	  : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
-  .tbss		  : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
-  .preinit_array     :
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-       the constructors, so we make sure it is
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-       actually link against crtbegin.o; the
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-       is in.  */
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-    KEEP (*(.ctors))
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-      FIXME: Why do we need it? When there is no .bss section, we don't
-      pad the .data section.  */
-   . = ALIGN(. != 0 ? 32 / 8 : 1);
-  }
-  _bss_end__ = . ; __bss_end__ = . ;
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-  /* Stabs debugging sections.  */
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-  /* DWARF debug sections.
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-  /* Adding the word ABSOLUTE below, so that the _stack below won't float
-     into a random section. If _stack is not absolutely with .stack section,
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-     because it's processed by the linker at that moment. As a result, _stack
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-     invalid data. */
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diff --git a/core/build_id.mk b/core/build_id.mk
index e954794..40bb35d 100644
--- a/core/build_id.mk
+++ b/core/build_id.mk
@@ -23,7 +23,7 @@
 # (like "TC1-RC5").  It must be a single word, and is
 # capitalized by convention.
 #
-BUILD_ID := OPENMASTER
+BUILD_ID := MASTER
 
 # DISPLAY_BUILD_NUMBER should only be set for development branches,
 # If set, the BUILD_NUMBER (cl) is appended to the BUILD_ID for
diff --git a/core/combo/HOST_darwin-x86.mk b/core/combo/HOST_darwin-x86.mk
index a3ba7d3..63c119e 100644
--- a/core/combo/HOST_darwin-x86.mk
+++ b/core/combo/HOST_darwin-x86.mk
@@ -29,6 +29,11 @@
 HOST_GLOBAL_LDFLAGS += -m32
 endif # BUILD_HOST_64bit
 
+ifneq ($(strip $(BUILD_HOST_static)),)
+# Statically-linked binaries are desirable for sandboxed environment
+HOST_GLOBAL_LDFLAGS += -static
+endif # BUILD_HOST_static
+
 # Use the Mac OSX SDK 10.5 if the build host is 10.6
 build_mac_version := $(shell sw_vers -productVersion)
 ifneq ($(filter 10.6.%, $(build_mac_version)),)
@@ -79,31 +84,13 @@
 
 HOST_CUSTOM_LD_COMMAND := true
 
-# Workaround for lack of "-Wl,--whole-archive" in MacOS's linker.
-define _darwin-extract-and-include-single-whole-static-lib
-@echo "preparing StaticLib: $(PRIVATE_MODULE) [including $(1)]"
-$(hide) ldir=$(PRIVATE_INTERMEDIATES_DIR)/WHOLE/$(basename $(notdir $(1)))_objs;\
-    mkdir -p $$ldir; \
-    for f in `$(HOST_AR) t $(1)`; do \
-        $(HOST_AR) p $(1) $$f > $$ldir/$$f; \
-    done ;
-
-endef
-
-define darwin-extract-and-include-whole-static-libs
-$(if $(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES), $(hide) rm -rf $(PRIVATE_INTERMEDIATES_DIR)/WHOLE)
-$(foreach lib,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES), \
-    $(call _darwin-extract-and-include-single-whole-static-lib, $(lib)))
-endef
-
 define transform-host-o-to-shared-lib-inner
-$(call darwin-extract-and-include-whole-static-libs)
 $(hide) $(PRIVATE_CXX) \
         -dynamiclib -single_module -read_only_relocs suppress \
         $(HOST_GLOBAL_LD_DIRS) \
         $(HOST_GLOBAL_LDFLAGS) \
         $(PRIVATE_ALL_OBJECTS) \
-        $(if $(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES), `find $(PRIVATE_INTERMEDIATES_DIR)/WHOLE -name '*.o' 2>/dev/null`) \
+        $(addprefix -force_load , $(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
         $(call normalize-host-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
         $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
         $(call normalize-host-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
diff --git a/core/combo/HOST_linux-x86.mk b/core/combo/HOST_linux-x86.mk
index a4da5ce..b369199 100644
--- a/core/combo/HOST_linux-x86.mk
+++ b/core/combo/HOST_linux-x86.mk
@@ -52,6 +52,11 @@
 HOST_GLOBAL_LDFLAGS += -m32
 endif # BUILD_HOST_64bit
 
+ifneq ($(strip $(BUILD_HOST_static)),)
+# Statically-linked binaries are desirable for sandboxed environment
+HOST_GLOBAL_LDFLAGS += -static
+endif # BUILD_HOST_static
+
 HOST_GLOBAL_CFLAGS += -fPIC
 HOST_GLOBAL_CFLAGS += \
 	-include $(call select-android-config-h,linux-x86)
diff --git a/core/combo/HOST_windows-x86.mk b/core/combo/HOST_windows-x86.mk
index fe4bd66..85bc1e0 100644
--- a/core/combo/HOST_windows-x86.mk
+++ b/core/combo/HOST_windows-x86.mk
@@ -46,6 +46,10 @@
 
 HOST_GLOBAL_CFLAGS += -include $(call select-android-config-h,windows)
 HOST_GLOBAL_LDFLAGS += --enable-stdcall-fixup
+ifneq ($(strip $(BUILD_HOST_static)),)
+# Statically-linked binaries are desirable for sandboxed environment
+HOST_GLOBAL_LDFLAGS += -static
+endif # BUILD_HOST_static
 
 # when building under Cygwin, ensure that we use Mingw compilation by default.
 # you can disable this (i.e. to generate Cygwin executables) by defining the
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index 02ac42c..c97306c 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -41,7 +41,7 @@
   # which is the version that we reveal to the end user.
   # Update this value when the platform version changes (rather
   # than overriding it somewhere else).  Can be an arbitrary string.
-  PLATFORM_VERSION := 4.0.9.99.999.9999.99999
+  PLATFORM_VERSION := JellyBean
 endif
 
 ifeq "" "$(PLATFORM_SDK_VERSION)"
@@ -59,7 +59,7 @@
 ifeq "" "$(PLATFORM_VERSION_CODENAME)"
   # This is the current development code-name, if the build is not a final
   # release build.  If this is a final release build, it is simply "REL".
-  PLATFORM_VERSION_CODENAME := AOSP
+  PLATFORM_VERSION_CODENAME := JellyBean
 endif
 
 ifeq "" "$(DEFAULT_APP_TARGET_SDK)"
diff --git a/tools/post_process_props.py b/tools/post_process_props.py
index 01f9128..9d69736 100755
--- a/tools/post_process_props.py
+++ b/tools/post_process_props.py
@@ -21,7 +21,6 @@
 def mangle_build_prop(prop):
   pass
 
-
 # Put the modifications that you need to make into the /system/build.prop into this
 # function. The prop object has get(name) and put(name,value) methods.
 def mangle_default_prop(prop):
@@ -34,7 +33,11 @@
     else:
       val = val + ",adb"
     prop.put("persist.sys.usb.config", val)
-
+  # UsbDeviceManager expects a value here.  If it doesn't get it, it will
+  # default to "adb". That might not the right policy there, but it's better
+  # to be explicit.
+  if not prop.get("persist.sys.usb.config"):
+    prop.put("persist.sys.usb.config", "none");
 
 class PropFile:
   def __init__(self, lines):
diff --git a/tools/zipalign/Android.mk b/tools/zipalign/Android.mk
index 9763bd2..089c68b 100644
--- a/tools/zipalign/Android.mk
+++ b/tools/zipalign/Android.mk
@@ -28,6 +28,10 @@
 LOCAL_LDLIBS += -lz
 endif
 
+ifneq ($(strip $(BUILD_HOST_static)),)
+LOCAL_LDLIBS += -lpthread
+endif # BUILD_HOST_static
+
 LOCAL_MODULE := zipalign
 
 include $(BUILD_HOST_EXECUTABLE)