/**************************************************************************** * I.MX6 Android busybox 从哪里生成的 * 说明： * 一直在Android中找busybox的源代码在哪里，在external文件夹下有一份busybox * 源代码，但是没有Android.mk，以为应该是将Android.mk文件放在了别的地方，结果 * 找出来是别的地方放了一份编译好的busybox可执行文件。 * * 2016-8-20 深圳 南山平山村 曾剑锋 ***************************************************************************/一、参考文档： 1. 怎样判断两个bin文件，是不是同一个文件。。两个bin文件，名字不同。不知道内容是不是一样的。 http://zhidao.baidu.com/question/486446127.html 2. linux md5sum 的用法（转） http://www.cnblogs.com/chenwenbiao/archive/2012/07/10/2585507.html二、原因： 在~/myandroid/external/busybox目录下并没有找到对应Android.mk文件，说明busybox并不是从这份源代码中生成出来的，而是从别的地方生成的，于是得重新找busybox真是的出处。三、cat ~/myandroid/device/fsl-proprietary/test/Android.mk LOCAL_PATH := $(call my-dir) include $(CLEAR_VARS) LOCAL_MODULE := mxc_ipudev_test LOCAL_MODULE_TAGS := eng LOCAL_MODULE_PATH := $(TARGET_OUT)/bin LOCAL_MODULE_CLASS := EXECUTABLES LOCAL_SRC_FILES := bin/mxc_ipudev_test include $(BUILD_PREBUILT) include $(CLEAR_VARS) LOCAL_MODULE := mxc_vpu_test LOCAL_MODULE_TAGS := eng LOCAL_MODULE_PATH := $(TARGET_OUT)/bin LOCAL_MODULE_CLASS := EXECUTABLES LOCAL_SRC_FILES := bin/mxc_vpu_test include $(BUILD_PREBUILT) include $(CLEAR_VARS) LOCAL_MODULE := busybox LOCAL_MODULE_TAGS := optional LOCAL_MODULE_PATH := $(TARGET_OUT)/bin LOCAL_MODULE_CLASS := EXECUTABLES LOCAL_SRC_FILES := bin/busybox include $(BUILD_PREBUILT)四、检查两个busybox是否是同一个busybox： myzr@myzr:~/myandroid/device/fsl-proprietary/test/bin$ stat busybox File: `busybox' Size: 1634104 Blocks: 3192 IO Block: 4096 regular file Device: 801h/2049d Inode: 1313488 Links: 1 Access: (0775/-rwxrwxr-x) Uid: ( 1000/ myzr) Gid: ( 1000/ myzr) Access: 2016-08-20 11:09:25.828600234 +0800 Modify: 2014-04-11 14:10:13.000000000 +0800 Change: 2015-04-02 14:43:27.691788786 +0800 Birth: - myzr@myzr:~/myandroid/device/fsl-proprietary/test/bin$ stat /home/myzr/myandroid/out/target/product/sabresd_6dq/obj/EXECUTABLES/busybox_intermediates/busybox File: `/home/myzr/myandroid/out/target/product/sabresd_6dq/obj/EXECUTABLES/busybox_intermediates/busybox' Size: 1634104 Blocks: 3192 IO Block: 4096 regular file Device: 801h/2049d Inode: 1225352 Links: 1 Access: (0775/-rwxrwxr-x) Uid: ( 1000/ myzr) Gid: ( 1000/ myzr) Access: 2016-07-18 12:31:09.275109144 +0800 Modify: 2016-07-18 12:31:09.255109144 +0800 Change: 2016-07-18 12:31:09.255109144 +0800 Birth: - myzr@myzr:~/myandroid/device/fsl-proprietary/test/bin$ md5sum /home/myzr/myandroid/out/target/product/sabresd_6dq/obj/EXECUTABLES/busybox_intermediates/busybox 7acb4ae8ca9bff56200c3d8ea54926a9 /home/myzr/myandroid/out/target/product/sabresd_6dq/obj/EXECUTABLES/busybox_intermediates/busybox myzr@myzr:~/myandroid/device/fsl-proprietary/test/bin$ md5sum busybox 7acb4ae8ca9bff56200c3d8ea54926a9 busybox myzr@myzr:~/myandroid/device/fsl-proprietary/test/bin$