[Buildroot] [PATCH] package/swupdate: install headers at the standard location

[Thomas Petazzoni]

On Thu, 10 Aug 2023 00:05:14 +0200
Thomas Petazzoni via buildroot <buildroot at buildroot.org> wrote:

> In commit eb2f2886b2364e5b6a0867f55106bf83acb064e7 ("package/swupdate:
> add staging install"), the swupdate package was changed to also be
> installed in the staging directory, as it provides an API to external
> programs, through libraries and headers.
> 
> Back then the commit log said:
> 
>     This patch installs headers and libs to STAGING_DIR, to prevent a
>     header name collision a subdirectory /usr/include/swupdate creates.
> 
> And indeed a custom INCLUDEDIR was specified. However, installing
> swupdate headers in /usr/include/swupdate/ doesn't work well, as
> progress_ipc.h (installed by swupdate) does a #include
> <swupdate_status.h>, which doesn't work as swupdate_status.h is also
> in /usr/include/swupdate/ instead of /usr/include/.
> 
> To address this Daniel Lang submitted a patch [0], which was proposed
> to upstream swupdate to fix this header inclusion. The patch was
> rejected by upstream saying that the swupdate header files should be
> installed in /usr/include.
> 
> Currently, swupdate installs only 3 headers files:
> 
>   /usr/include/network_ipc.h
>   /usr/include/swupdate_status.h
>   /usr/include/progress_ipc.h
> 
> To the best of our knowledge, this doesn't conflict with any other
> header files installed by other packages. A good proof of that is that
> even Debian (which has many more packages than Buildroot) also
> installs swupdate headers directly in /usr/include.
> 
> In addition, the original submitter of
> eb2f2886b2364e5b6a0867f55106bf83acb064e7 said "I'm not remember what
> was a problem. Probably network_ipc.h but Im not sure now. I think
> it's safe to install this headers to /usr/include w/o subdir if this
> collision was met only in my environment. PS: currently I don't see
> any collisions with this files."
> 
> So, we switch to installing swupdate into their standard location.
> 
> [0] https://patchwork.ozlabs.org/project/buildroot/patch/VI1P190MB0493D233ECC579510F8C0FC69FB29@VI1P190MB0493.EURP190.PROD.OUTLOOK.COM/
> 
> Signed-off-by: Thomas Petazzoni <thomas.petazzoni at bootlin.com>
> ---
>  package/swupdate/swupdate.mk | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Applied to next, thanks.

Thomas
-- 
Thomas Petazzoni, CTO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com