[Buildroot] [PATCH v4 2/5] package/linux4tegra: new package

[Arnout Vandecappelle <arnout@mind.be>]

On 21/11/2020 21:45, Christian Stewart wrote:
> Hi Romain,
> 
> On Sat, Nov 21, 2020 at 2:40 AM Romain Naour <romain.naour@gmail.com> wrote:
> [snip]
> 
> I applied the requested comment changes, patch change, and hash file
> tabs -> spaces change to the latest revision:
> 
> https://github.com/skiffos/buildroot/tree/tx2
> 
> 
>>> +define LINUX4TEGRA_INSTALL_IMAGES_CMDS
>>> +     cp -r $(@D)/. $(BINARIES_DIR)/linux4tegra
>>> +endef
>>> +
>>> +LINUX4TEGRA_RSYNC = \
>>> +     rsync -a --ignore-times $(RSYNC_VCS_EXCLUSIONS) \
>>> +             --chmod=u=rwX,go=rX --exclude .empty --exclude '*~' \
>>> +             --keep-dirlinks --exclude=ld.so.conf.d
>>> +
>>> +define LINUX4TEGRA_INSTALL_TARGET_CMDS
>>> +     # install nvidia_drivers
>>> +     $(LINUX4TEGRA_RSYNC) $(@D)/nv_tegra/nvidia_drivers/ $(TARGET_DIR)/
>>> +     # install nvidia_configs
>>> +     $(LINUX4TEGRA_RSYNC) $(@D)/nv_tegra/nvidia_configs/ $(TARGET_DIR)/
>>> +     # install nvidia_tools
>>> +     $(LINUX4TEGRA_RSYNC) $(@D)/nv_tegra/nvidia_tools/ $(TARGET_DIR)/
>>> +endef
>>
>> This install a lot for prebuild binaries for example libGLX_nvidia.so.0.
>> This means that this package should be at least a LIBGL provider etc.
>>
>> There is a long list of shared libraries provided by this package, make sure to
>> not override anything already installed by anoter package (ex: libdrm.so.2)
> 
> Unfortunately this is beyond my scope in Buildroot, so if someone else
> has a chance to take a look at marking LIBGL provided by this package,
> please go ahead.

 It's not complicated. [1]

 The virtual package already exists (package/opengl/libgl) so you just need to
do the provider part.

 The difficulty is finding out which libraries are opengl libraries, and which
ones are nvidia-specific.


 Regards,
 Arnout

> 
> I'm not actually using the graphics libraries provided by Buildroot in
> my applications, so it's important to me that linux4tegra compile even
> if the graphics packages are not available.
> 
> Best regards,
> Christian
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