[FS#659] uboot-kirkwood (at least) fails to build if swig is installed but python headers are not available

[LEDE Bugs]

The following task has a new comment added:

FS#659 - uboot-kirkwood (at least) fails to build if swig is installed but python headers are not available
User who did this - Nathaniel Wesley Filardo (nwf)

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Sorry, the git commit mentioned has some of my (unrelated) patches atop it.  Upstream is reboot-3883-g2ebfdabfbd
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=659#comment2260