When a file (a patch or a generic file) is included in SRC_URI, BitBake searches for FILESPATH and FILESEXTRAPTH variables. The default setting is to look in the following locations:
- <recipe>-<version>/
- <recipe>/
- files/
As well as this, it also checks for a OVERRIDES for a specific files to be overrided in each folder. To illustrate this, consider a recipe, foo_1.0.bb, and the variable OVERRIDES = "<board>:<arch>" the file will be searched in the following directories, respecting the exact order, shown:
- foo-1.0/<board>/
- foo-1.0/<arch>/
- foo-1.0/
- foo/<board>/
- foo/<arch>/
- foo/
- files/<board>/
- files/<arch>/
- files/
This is just illustrative as the list of OVERRIDES is huge and machine-specific. When we work ...
