--- /dev/null
+# modified saki@serenegiant <t_saki@serenegiant.com>
+# Copyright (C)2014-2016
+#
+# Android build config for libusb
+# Copyright © 2012-2013 RealVNC Ltd. <toby.gray@realvnc.com>
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+#
+######################################################################
+# libusb.a
+######################################################################
+LOCAL_PATH := $(call my-dir)/../..
+include $(CLEAR_VARS)
+
+# changed linux_usbfs.c => android_usbfs.c
+# changed linux_netlink.c => android_netlink.c
+# these sources are also modified.
+LOCAL_SRC_FILES := \
+ libusb/core.c \
+ libusb/descriptor.c \
+ libusb/hotplug.c \
+ libusb/io.c \
+ libusb/sync.c \
+ libusb/strerror.c \
+ libusb/os/android_usbfs.c \
+ libusb/os/poll_posix.c \
+ libusb/os/threads_posix.c \
+ libusb/os/android_netlink.c
+
+LOCAL_C_INCLUDES += \
+ $(LOCAL_PATH)/ \
+ $(LOCAL_PATH)/libusb \
+ $(LOCAL_PATH)/libusb/os \
+ $(LOCAL_PATH)/../ \
+ $(LOCAL_PATH)/../include \
+ $(LOCAL_PATH)/android \
+
+LOCAL_EXPORT_C_INCLUDES := \
+ $(LOCAL_PATH)/ \
+ $(LOCAL_PATH)/libusb
+
+# add some flags
+LOCAL_CFLAGS := $(LOCAL_C_INCLUDES:%=-I%)
+LOCAL_CFLAGS += -DANDROID_NDK
+LOCAL_CFLAGS += -DLOG_NDEBUG
+LOCAL_CFLAGS += -DACCESS_RAW_DESCRIPTORS
+LOCAL_CFLAGS += -DENABLE_LOGGING
+LOCAL_CFLAGS += -DENABLE_DEBUG_LOGGING
+LOCAL_CFLAGS += -O3 -fstrict-aliasing -fprefetch-loop-arrays
+LOCAL_EXPORT_LDLIBS += -llog
+LOCAL_ARM_MODE := arm
+
+LOCAL_MODULE := libusb100_static
+include $(BUILD_STATIC_LIBRARY)
+
+######################################################################
+# libusb100.so
+######################################################################
+include $(CLEAR_VARS)
+LOCAL_MODULE_TAGS := optional
+LOCAL_EXPORT_LDLIBS += -llog
+
+LOCAL_WHOLE_STATIC_LIBRARIES = libusb100_static
+
+LOCAL_MODULE := libusb100
+include $(BUILD_SHARED_LIBRARY)