On Fri, Mar 11, 2016 at 5:08 AM Robert P. J. Day <rpj...@crashcourse.ca> wrote:
> not sure why i never noticed this before, but what is the search order > or precedence or priority for resolving recipe file directives "include" > or "require"? i was just perusing the bitbake user manual, and noticed > the explanation that those directives use BBPATH to track down the first > include file by a given name. > > but AIUI, BBPATH is supposed to represent an ordered set of *layers* > (i just examined BBPATH for a current [wind river linux] build, and that > is exactly what it seems to contain). so when a recipe file like > busybox.whatever.bb contains the line: > > require busybox.inc > > i always just assumed the search would look in the current busybox > directory, but that directory is not technically a layer directory -- > it's not a directory specified on the alleged BBPATH search path. > > i never thought about this until i noticed some .bbappend files > specifically using directives like: > > require recipes-bsp/u-boot/u-boot.inc > > where that file reference *does* refer to a file relative to some > actual layer directory somewhere. > > what am i missing here? > BBPATH is temporarily prepended to include the directory the recipe lives in, as a special case. -Chris
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