June 2017
Intermediate to advanced
478 pages
13h 14m
English
Content preview from Mastering Embedded Linux Programming - Second Edition
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Libraries for the root filesystem
Programs are linked with libraries. You could link them all statically, in which case, there would be no libraries on the target device. But, this takes up an unnecessarily large amount of storage if you have more than two or three programs. So, you need to copy shared libraries from the toolchain to the staging directory. How do you know which libraries?
One option is to copy all of the .so files from the sysroot directory of your toolchain, since they must be of some use otherwise they wouldn't exist! This is certainly logical and, if you are creating a platform to be used by others for a range of applications, it would be the correct approach. Be aware, though, that a full glibc is quite large. In the ...
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