[FS#381] Error: undefined reference to `clock_gettime’ during build

[LEDE Bugs]

The following task has a new comment added:

FS#381 - Error: undefined reference to `clock_gettime’ during build
User who did this - Jo-Philipp Wich (jow-)

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Please provide the output of `./scripts/getver.sh` and the complete log of `make tools/mkimage/{clean,compile} V=sc`
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=381#comment1187