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→Corss-complile or compiled Application code
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=== '''Corss-complile or compiled Cross compiler Application codeProgram''' ===
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Here will take arm-linux-gnueabihf-gcc as an example. Check whether there is the cross compiler, if not, then download and install it.<br>
$ arm-linux-gnueabihf-gcc -v
<div>[[File:Orange-pi-i96-img56.png|800px]]</div>
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$ ll /etc/environment shows that the file can only read, need to modify permissions <br>
$ chmod 755 /etc/environment<br>Modify permission
<div>[[File:Orange-pi-i96-img61.png|800px]]</div>
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