elftree: Recursively display ELF dependencies in a tree

Change-Id: Ifec17edf90796d0f810341cf62c9e5dfdee083c2
diff --git a/tools/elftree/Android.mk b/tools/elftree/Android.mk
new file mode 100644
index 0000000..0bba0f2
--- /dev/null
+++ b/tools/elftree/Android.mk
@@ -0,0 +1,39 @@
+# Copyright (C) 2010 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+LOCAL_PATH := $(call my-dir)
+
+
+# Target executable
+# TODO: Requires libelf for target
+
+#include $(CLEAR_VARS)
+#LOCAL_MODULE := $(module)
+#LOCAL_SRC_FILES := $(src_files)
+#LOCAL_C_INCLUDES := $(c_includes)
+#LOCAL_SHARED_LIBRARIES := $(shared_libraries)
+#LOCAL_STATIC_LIBRARIES := $(static_libraries)
+#LOCAL_MODULE_PATH := $(TARGET_OUT_OPTIONAL_EXECUTABLES)
+#LOCAL_MODULE_TAGS := debug
+#LOCAL_LDLIBS +=
+#include $(BUILD_EXECUTABLE)
+
+# Host executable
+
+include $(CLEAR_VARS)
+LOCAL_MODULE := elftree
+LOCAL_SRC_FILES := elftree.c
+LOCAL_C_INCLUDES := external/elfutils/libelf
+LOCAL_STATIC_LIBRARIES := libelf
+include $(BUILD_HOST_EXECUTABLE)