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分享cp: cannot stat 编译时，使用cp命令，文件明明存在，却提示找不到
1、makefile相关内容：
%.o:%.cpp
@echo "CC [C] - $@"
@echo $(shell pwd)
cp ../../../../appmainprog/1.0-r0/appmainprog-1.0/main/libappmainprog.so ../tonly_lib -a
cp ../../../../wlanMon/1.0-r0/wlanMon-1.0/wlanMon/libwlanMon.so ../tonly_lib -a
2、编译错误打印：
CC [C] - tonly_connection_api.o
| /home/lixiangtao/T9M_411_0503/mt8516_sdk_411/build/tmp/work/aarch64-poky-linux/tonlyapps/1.0-r0/tonlyapps-1.0/connectionmanager
| cp ../../../../appmainprog/1.0-r0/appmainprog-1.0/main/libappmainprog.so ../tonly_lib -a
| cp: cannot stat '../../../../appmainprog/1.0-r0/appmainprog-1.0/main/libappmainprog.so': No such file or directory
3、查看文件确实存在，但提示找不到：
cd /home/lixiangtao/T9M_411_0503/mt8516_sdk_411/build/tmp/work/aarch64-poky-linux/tonlyapps/1.0-r0/tonlyapps-1.0/connectionmanager
$ cd ../../../../appmainprog/1.0-r0/appmainprog-1.0/main
$ ls
acfg ais_manager appmainprog.c bluetooth cli hellotest libappmainprog.so misc playback state_mngr upg_control utils
ais_app am appmainprog.o button_sound device_mngr inc makefile mw script timerd user_interface wifi_setting
$ ls -l
total 2220
drwxrwxr-x 2 lixiangtao lixiangtao 4096 5月 4 13:22 acfg
drwxrwxr-x 2 lixiangtao lixiangtao 4096 5月 3 17:51 ais_app
drwxrwxr-x 2 lixiangtao lixiangtao 4096 5月 3 17:51 ais_manager
drwxrwxr-x 4 lixiangtao lixiangtao 4096 5月 4 13:22 am
-rwxrwxr-x 1 lixiangtao lixiangtao 8285 5月 3 17:51 appmainprog.c
-rw-r--r-- 1 lixiangtao lixiangtao 29032 5月 4 13:22 appmainprog.o
drwxrwxr-x 2 lixiangtao lixiangtao 4096 5月 4 13:23 bluetooth
drwxrwxr-x 2 lixiangtao lixiangtao 4096 5月 4 13:22 button_sound
drwxrwxr-x 2 lixiangtao lixiangtao 4096 5月 4 13:22 cli
drwxrwxr-x 2 lixiangtao lixiangtao 4096 5月 4 13:23 device_mngr
drwxrwxr-x 2 lixiangtao lixiangtao 4096 5月 3 17:51 hellotest
drwxrwxr-x 2 lixiangtao lixiangtao 4096 5月 3 17:51 inc
-rwxr-xr-x 1 lixiangtao lixiangtao 2135968 5月 4 13:23 libappmainprog.so
%.o:%.cpp
@echo "CC [C] - $@"
@echo $(shell pwd)
cp ../../../../appmainprog/1.0-r0/appmainprog-1.0/main/libappmainprog.so ../tonly_lib -a
cp ../../../../wlanMon/1.0-r0/wlanMon-1.0/wlanMon/libwlanMon.so ../tonly_lib -a
2、编译错误打印：
CC [C] - tonly_connection_api.o
| /home/lixiangtao/T9M_411_0503/mt8516_sdk_411/build/tmp/work/aarch64-poky-linux/tonlyapps/1.0-r0/tonlyapps-1.0/connectionmanager
| cp ../../../../appmainprog/1.0-r0/appmainprog-1.0/main/libappmainprog.so ../tonly_lib -a
| cp: cannot stat '../../../../appmainprog/1.0-r0/appmainprog-1.0/main/libappmainprog.so': No such file or directory
3、查看文件确实存在，但提示找不到：
cd /home/lixiangtao/T9M_411_0503/mt8516_sdk_411/build/tmp/work/aarch64-poky-linux/tonlyapps/1.0-r0/tonlyapps-1.0/connectionmanager
$ cd ../../../../appmainprog/1.0-r0/appmainprog-1.0/main
$ ls
acfg ais_manager appmainprog.c bluetooth cli hellotest libappmainprog.so misc playback state_mngr upg_control utils
ais_app am appmainprog.o button_sound device_mngr inc makefile mw script timerd user_interface wifi_setting
$ ls -l
total 2220
drwxrwxr-x 2 lixiangtao lixiangtao 4096 5月 4 13:22 acfg
drwxrwxr-x 2 lixiangtao lixiangtao 4096 5月 3 17:51 ais_app
drwxrwxr-x 2 lixiangtao lixiangtao 4096 5月 3 17:51 ais_manager
drwxrwxr-x 4 lixiangtao lixiangtao 4096 5月 4 13:22 am
-rwxrwxr-x 1 lixiangtao lixiangtao 8285 5月 3 17:51 appmainprog.c
-rw-r--r-- 1 lixiangtao lixiangtao 29032 5月 4 13:22 appmainprog.o
drwxrwxr-x 2 lixiangtao lixiangtao 4096 5月 4 13:23 bluetooth
drwxrwxr-x 2 lixiangtao lixiangtao 4096 5月 4 13:22 button_sound
drwxrwxr-x 2 lixiangtao lixiangtao 4096 5月 4 13:22 cli
drwxrwxr-x 2 lixiangtao lixiangtao 4096 5月 4 13:23 device_mngr
drwxrwxr-x 2 lixiangtao lixiangtao 4096 5月 3 17:51 hellotest
drwxrwxr-x 2 lixiangtao lixiangtao 4096 5月 3 17:51 inc
-rwxr-xr-x 1 lixiangtao lixiangtao 2135968 5月 4 13:23 libappmainprog.so
...全文
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我用双手-成就你的梦想 2017-05-04
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如果绝对路径可以的话，就说明你的相对路径是错的
花事不了 2017-05-04
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用绝对路径的话，就算编译成功，代码合入后，别人再下载，绝对路径一变，别人就编译失败了么！
我用双手-成就你的梦想 2017-05-04
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- 举报
makfile里面用绝对路径看
