fix compilation error in ubuntu16.04 #834
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without the headfile `#include <unistd.h>` error message ``` error: 'usleep' was not declared in this scope usleep(*); ```
**Reason**: not include the headfile `#include <unistd.h>` **error message** ``` error: 'usleep' was not declared in this scope usleep(*); ```
**Reason**: not include the headfile `#include <unistd.h>` **error message** ``` error: 'usleep' was not declared in this scope usleep(*); ```
**Reason**: not include the headfile `#include <unistd.h>` **error message** ``` error: 'usleep' was not declared in this scope usleep(*); ```
**Reason**: not include the headfile `#include <unistd.h>` **error message** ``` error: 'usleep' was not declared in this scope usleep(*); ```
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Hi, @varyshare I git the newest ORB-SLAM2. But how come i still face this problem? |
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you need add 你需要找找你使用的那些源代码文件中有没有使用unsleep()这个函数，只要使用了它就需要加 |
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Okay....... @varyshare Thanks anyway~ |
guillaumemoreau
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guillaumemoreau
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Reason: not include the headfile
#include <unistd.h>error message