[LEDE-DEV] [PATCH] build: Fix unpacking of overlaid packages

[Yousong Zhou]

On 18 March 2017 at 06:54, Michal Sojka <sojkam1 at fel.cvut.cz> wrote:
> On Fri, Mar 17 2017, Michal Sojka wrote:
>> Since commit 5af113eb7c0f6e4b2d09e536e1a2adc4e2d6071d, LEDE's build
>> system contains overlay functionality, which allows to locally amend
>> properties of packages. When one wants to overlay certain properties
>> such as PKG_VERSION, the unpack command (UNPACK_CMD) uses the original
>> value rather than the overlaid one and unpacking fails.
>
> Hmm, there are more places where is this overlay functionality broken.
> I'll send another patch that makes it work for me, but there are places,
> which cannot be fixed that easy. One of them is the -iremap CFLAG, which
> is appended to TARGET_CFLAGS with "+=" operator, which expands to the
> non-overlaid path.
>
> -Michal

The change will incur too much implementation details and is very
likely hard to maintain later.

In your case, I would recommend either maintaining your own branch, or
maintain a package feed for your needs and prefer it at feed install
time.

Regards,
                yousong