On Tue, Oct 9, 2012 at 5:31 PM, Patrick Turley <patricktur...@gamestop.com> wrote: > Success. The file tree depicted at the bottom of this mail is nearly the > smallest, valid BitBake project that prints "Hello, World!" Here's the > output:
Perhaps you could push this to github somewhere as an example? -M > > > $ ../BitBake/bin/bitbake a > Parsing recipes: 100% > |#############################################################| Time: > 00:00:00 > Parsing of 1 .bb files complete (0 cached, 1 parsed). 1 targets, 0 > skipped, 0 masked, 0 errors. > NOTE: Resolving any missing task queue dependencies > NOTE: Preparing runqueue > NOTE: Executing RunQueue Tasks > NOTE: Running task 1 of 1 (ID: 0, > /home/pturley/Workspace/Hello/LayerA/a.bb, do_build) > NOTE: package None: task do_build: Started > Hello, World! > NOTE: package None: task do_build: Succeeded > NOTE: Tasks Summary: Attempted 1 tasks of which 0 didn't need to be > rerun and all succeeded. > > > A few things to note: > > 1) This is not the *smallest* such BitBake project. For example, the > "DESCRIPTION" and "PV" variables need not be assigned in "a.bb". I set those > variables because I wanted "show-layers" and "show-recipes" to display > reasonable information. > > 2) Some of the variables set in "bitbake.conf" have "simplified" values. For > example, you would *not* want to use these values if there were multiple > recipes and you had to disambiguate the output from each of them. > > 3) On the other hand, *all* the variable assignments in "bitbake.conf" are > *essential* to BitBake itself. If you remove any one of those assignments, > BitBake will either declare an error or die (usually because some internal > variable is set to "None" and the BitBake code can't handle it). > > > ------------------------------------------------------------ > > > ├── build > │ │ > │ ├── classes > │ │ │ > │ │ └── base.bbclass > │ │ > │ │ +----------------------------------------------- > │ │ | addtask build > │ │ +----------------------------------------------- > │ │ > │ └── conf > │ │ > │ ├── bblayers.conf > │ │ > │ │ +----------------------------------------------- > │ │ | BBLAYERS ?= " \ > │ │ | /home/pturley/Workspace/Hello/LayerA \ > │ │ | " > │ │ +----------------------------------------------- > │ │ > │ └── bitbake.conf > │ > │ +----------------------------------------------- > │ | TMPDIR = "${TOPDIR}/tmp" > │ | CACHE = "${TMPDIR}/cache" > │ | STAMP = "${TMPDIR}/stamps" > │ | T = "${TMPDIR}/work" > │ | B = "${TMPDIR}" > │ +----------------------------------------------- > │ > ├── LayerA > │ │ > │ ├── a.bb > │ │ > │ │ +----------------------------------------------- > │ │ | DESCRIPTION = "Layer A Recipe" > │ │ | PN = 'a' > │ │ | PV = '1' > │ │ | > │ │ | python do_build() { > │ │ | bb.plain("Hello, World!"); > │ │ | } > │ │ +----------------------------------------------- > │ │ > │ └── conf > │ │ > │ └── layer.conf > │ > │ +----------------------------------------------- > │ | BBPATH .= ":${LAYERDIR}" > │ | > │ | BBFILES += "${LAYERDIR}/*.bb" > │ | > │ | BBFILE_COLLECTIONS += "A" > │ | BBFILE_PATTERN_A := "^${LAYERDIR}/" > │ +----------------------------------------------- > │ > └── BitBake > > The BitBake directory origin is: > > http://git.openembedded.org/bitbake/ > > I have the 1.15.2 tag checked out, which is what > Yocto denzil uses. > > > _______________________________________________ > yocto mailing list > yocto@yoctoproject.org > https://lists.yoctoproject.org/listinfo/yocto > _______________________________________________ yocto mailing list yocto@yoctoproject.org https://lists.yoctoproject.org/listinfo/yocto