[yocto] Confusing error

[Gary Thomas]

On 2015-05-05 09:21, Paul Eggleton wrote:
> Hi Gary,
>
> On Tuesday 05 May 2015 08:44:47 Gary Thomas wrote:
>> I'm getting a very confusing error from bitbake.  I'm using a snapshot
>> from Poky/Yocto (equivalent to 1.8 release) with my own $DISTRO
>>
>>     $ bitbake nand-installer-image
>>     NOTE: Started PRServer with DBfile:
>> /home/gary/tmp/p0381_2015-05-05/p0381_build/cache/prserv.sqlite3, IP:
>> 127.0.0.1, PORT: 41585, PID: 460 Loading cache: 100%
>> |##########################################################################
>> #########| ETA:  00:00:00 Loaded 1708 entries from dependency cache.
>>     NOTE: Resolving any missing task queue dependencies
>>     ERROR: Nothing RPROVIDES 'virtual/bootloader' (but
>> /home/gary/tmp/p0381_2015-05-05/opt/amltd/poky/meta-amltd/packages/packageg
>> roups /packagegroup-amltd.bb RDEPENDS on or otherwise requires it)
>>     NOTE: Runtime target 'virtual/bootloader' is unbuildable, removing...
>>     Missing or unbuildable dependency chain was: ['virtual/bootloader']
>>     NOTE: Runtime target 'packagegroup-amltd-boot' is unbuildable,
>> removing... Missing or unbuildable dependency chain was:
>> ['packagegroup-amltd-boot', 'virtual/bootloader'] ERROR: Required build
>> target 'nand-installer-image' has no buildable providers. Missing or
>> unbuildable dependency chain was: ['nand-installer-image',
>> 'packagegroup-amltd-boot', 'virtual/bootloader']
>>
>> But, there is such a provider and I can build it (from the same build tree):
>> $ bitbake virtual/bootloader
>>     NOTE: Started PRServer with DBfile:
>> /home/gary/tmp/p0381_2015-05-05/p0381_build/cache/prserv.sqlite3, IP:
>> 127.0.0.1, PORT: 43428, PID: 515 Loading cache: 100%
>> |##########################################################################
>> #########| ETA:  00:00:00 Loaded 1708 entries from dependency cache.
>>     NOTE: Resolving any missing task queue dependencies
>>
>>     Build Configuration:
>>     BB_VERSION        = "1.27.0"
>>     BUILD_SYS         = "i686-linux"
>>     NATIVELSBSTRING   = "Fedora-17"
>>     TARGET_SYS        = "arm-amltd-linux-gnueabi"
>>     MACHINE           = "teton-p0381"
>>     DISTRO            = "amltd"
>>     DISTRO_VERSION    = "1.8+snapshot-2015-05-05"
>>     TUNE_FEATURES     = "arm armv7a vfp neon callconvention-hard cortexa7"
>>     TARGET_FPU        = "vfp-neon"
>>     meta
>>     meta-oe
>>     meta-amltd
>>     meta-teton-ls1-p0381
>>     meta-fsl-arm
>>     meta-fsl-arm-extra
>>     meta-browser      = "<unknown>:<unknown>"
>>
>>     NOTE: Preparing RunQueue
>>     NOTE: Executing SetScene Tasks
>>     NOTE: Executing RunQueue Tasks
>>           ...
>>
>> After much research, I found that this is happening because I have
>>     MACHINE_EXTRA_RRECOMMENDS="virtual/bootloader
>> linux-firmware-iwlwifi-5xxx"
>>
>> If I remove the 'virtual/bootloader' from MACHINE_EXTRA_RRECOMMENDS,
>> the confusion (and error) go away.  Any ideas what's happening and why
>> I might be getting this confusing error?
>
> The confusion here is between runtime targets (package names, i.e. what you
> should specify in MACHINE_EXTRA_RRECOMMENDS) and build-time targets e.g.
> virtual/bootloader. virtual/bootloader is not a runtime target (hence "Nothing
> RPROVIDES ..." and thus doesn't belong in MACHINE_EXTRA_RRECOMMENDS. I suspect
> what you want instead is:
>
> EXTRA_IMAGEDEPENDS += "virtual/bootloader"

Thanks for the explanation, that fixes my problem.

-- 
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Gary Thomas                 |  Consulting for the
MLB Associates              |    Embedded world
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