Build su as static.

With so many different versions of Android, using a dynamically linked
binary is just not practical, since things can be wildly different on
different versions.

Android.mk

@@ -2,21 +2,17 @@ LOCAL_PATH := $(call my-dir)
 include $(CLEAR_VARS)
 
 LOCAL_MODULE := su
-LOCAL_SRC_FILES := su.c db.c activity.cpp
-
-SU_SHARED_LIBRARIES := liblog libsqlite
-ifeq ($(PLATFORM_SDK_VERSION),4)
-	LOCAL_CFLAGS += -DSU_LEGACY_BUILD
-	SU_SHARED_LIBRARIES += libandroid_runtime
-else
-	SU_SHARED_LIBRARIES += libcutils libbinder libutils
-	LOCAL_MODULE_TAGS := debug,eng
-endif
+LOCAL_SRC_FILES := su.c db.c activity.c
 
 LOCAL_C_INCLUDES += external/sqlite/dist
 
-LOCAL_SHARED_LIBRARIES := $(SU_SHARED_LIBRARIES)
+LOCAL_STATIC_LIBRARIES := \
+    liblog \
+    libsqlite \
+    libc \
 
 LOCAL_MODULE_PATH := $(TARGET_OUT_OPTIONAL_EXECUTABLES)
+LOCAL_MODULE_TAGS := eng debug
+LOCAL_FORCE_STATIC_EXECUTABLE := true
 
-include $(BUILD_EXECUTABLE)
+include $(BUILD_EXECUTABLE)