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| 00:30.57 | peoliye | does oe-core have i2c userspace tools? Wondering how to get it? |
| 00:31.48 | peoliye | using bitbake |
| 00:55.01 | Crofton|work | i2c-tools I think |
| 00:55.49 | Crofton|work | http://layers.openembedded.org/layerindex/recipe/27859/ |
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| 01:08.22 | peoliye | Crofton|work: thanks a ton. |
| 01:25.40 | khem | rburton, kernel patch is certainly not needed, its not wrong though, but I think it wont be accepted |
| 01:26.24 | khem | peoliye: add i2c-tools to IMAGE_INSTALL |
| 01:43.42 | peoliye | khem: very new to bitbake. I just did bitbake i2c-tools and it worked. However how to add that in IMAGE_INSTALL? |
| 01:47.50 | bluelightning | peoliye: you may find this useful if you haven't already seen it: http://www.yoctoproject.org/docs/current/dev-manual/dev-manual.html#usingpoky-extend-customimage |
| 02:07.53 | snowkidind | Is there a good prototyping SOM whose principles generally apply to all SOM's? |
| 02:08.12 | snowkidind | e.g. http://wiki.solid-run.com/lib/exe/fetch.php?media=imx6:microsom:docs:sr-data_sheet-imx6-microsom-i1.pdf |
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| 02:54.34 | heeen | two questions: 1. how do I make do_configure[depends] += "virtual/kernel:do_shared_workdir" only for some $MACHINE, do I append _mymachine after configure or after [depends] |
| 02:56.33 | heeen | 2. how to provide the path to this header to my cmake project: ./BUILD/work-shared/imx6dlsabreauto/kernel-source/include/uapi/linux/ipu.h I am guessing via a cmake extra config that is ${STAGING_KERNEL_DIR} |
| 02:58.05 | bluelightning | 1. You can't do it like that - if you really need to I suspect you'll need to do something like: do_configure[depends] += "${SOMEVAR}" SOMEVAR = "" SOMEVAR_yourmachine = "virtual/kernel:do_shared_workdir" |
| 02:59.27 | heeen | is that the right order? I guess it gets evaluated later? |
| 03:00.04 | heeen | how about a ternary operator construct in the depends? |
| 03:00.43 | bluelightning | heeen: ordering shouldn't cause a problem here |
| 03:00.58 | bluelightning | heeen: you mean ${@ ... } ? you could alternatively do that yes |
| 03:01.09 | heeen | bluelightning: actually would a DEPENDS_append_imx6="fooo" work? |
| 03:01.40 | bluelightning | that only works if it's do_configure -> do_populate_sysroot that you want in terms of a task dependency |
| 03:01.46 | bluelightning | (that's what DEPENDS translates into) |
| 03:02.04 | bluelightning | so it wouldn't work for this specific example I don't think |
| 03:02.05 | heeen | not sure I get it |
| 03:02.11 | heeen | why? |
| 03:02.34 | bluelightning | because it's do_shared_workdir that you want to depend upon, right? not do_populate_sysroot |
| 03:03.02 | heeen | my more abstract goal is I just need the path to that header and that it exists |
| 03:03.23 | heeen | which is part of the kernel I think but for some reason not installed in my sysroot anymore |
| 03:03.47 | bluelightning | right - and you're on the right track it sounds like |
| 03:03.56 | heeen | I need the path during configure for the CFLAGS and it should exist during compile obviously |
| 03:04.04 | bluelightning | STAGING_KERNEL_DIR is where you would find that file based on the path you've given |
| 03:04.07 | heeen | so DEPENDS would not work? |
| 03:04.29 | bluelightning | no, because as I said, that will give you a dependency on do_populate_sysroot, which is not the task you need for this |
| 03:04.37 | heeen | hm |
| 03:05.23 | bluelightning | no big deal though because you have two alternatives either of which should work |
| 03:06.53 | heeen | bluelightning: what is the correct way to make it work for all imx6 variants |
| 03:07.15 | heeen | some MACHINE beginswith imx6 hack? |
| 03:08.31 | heeen | is there a hierarchy that checks for these _machinename vars existing for imx, imx6, imx6{dl,q}, imx6dlsabreauto etc? |
| 03:10.37 | bluelightning | well I'm not too familiar with the imx6* BSPs but those are presumably represented by some other variable which makes its way into OVERRIDES... so you just need to find out what that variable is (bitbake -e | less and search for ^OVERRIDES and you should see it) and check that in the code |
| 03:17.00 | heeen | bluelightning: having an issue on a build config that is a little older: |
| 03:17.42 | heeen | ERROR: Task do_configure in myrecipe.bb depends upon non-existent task do_shared_workdir in meta-fsl-bsp/meta-fsl-bsp-release/imx/meta-fsl-arm/recipes-kernel/linux/linux-imx_3.14.28.b |
| 03:22.55 | bluelightning | heeen: what OE-Core branch are you building with there? |
| 03:25.40 | heeen | bluelightning: how do I find out? |
| 03:25.55 | heeen | last tag of meta-openembedded? |
| 03:26.34 | bluelightning | it would be the tag of openembedded-core (or poky, if you are using that), rather than meta-openembedded |
| 03:26.39 | bluelightning | though they ought to match up |
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| 03:27.24 | heeen | poky |
| 03:28.01 | heeen | tag: yocto-1.7.2, tag: dizzy-12.0.2 |
| 03:31.21 | heeen | bluelightning: the newer one where it works is 1.8 |
| 03:32.53 | bluelightning | right, the kernel shared workdir didn't happen until 1.8 |
| 03:33.14 | bluelightning | dizzy isn't officially supported anymore FYI |
| 03:34.59 | heeen | looks like they are moving to 1.8, just some teams lagging behind |
| 03:35.47 | heeen | bluelightning: is there a way to make it work until I can uncomment the 1.8 way with the share_workdir depends? any task that comes close? |
| 03:36.54 | bluelightning | I'm not sure, I don't know what would have happened to those files before the shared workdir rework |
| 03:37.48 | heeen | STAGING_KERNEL_DIR expands to BUILD/sysroots/imx6dlsabreauto/usr/src/kernel |
| 03:38.03 | heeen | and that works, just the depends does not |
| 03:38.41 | heeen | might not work on a clean temp dir? but those files are required for libc, so it should happen usually, right? |
| 03:38.58 | bluelightning | that task doesn't exist in dizzy, so it doesn't matter what the state of TMPDIR is |
| 03:39.51 | bluelightning | for dizzy and earlier I would assume do_populate_sysroot would be what wrote out files to that path |
| 03:40.07 | heeen | http://stackoverflow.com/questions/34793697/how-to-write-a-bitbake-driver-recipe-which-requires-kernel-source-header-files |
| 03:40.22 | heeen | from that post, it looks like kernel headers are required to build libc |
| 03:40.36 | heeen | so they should be put there on clean builds |
| 03:40.53 | heeen | unless you use sstate? |
| 03:42.56 | bluelightning | from linux-libc-headers, but that is intended for use by the C library only |
| 03:43.52 | bluelightning | sstate or not shouldn't make a difference - if you have the appropriate dependency set up, the headers will be there |
| 03:44.23 | bluelightning | it's when dependencies are missing that you'll see things missing when sstate is involved |
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| 03:45.25 | heeen | but what is the correct dependency on dizzy |
| 03:46.14 | heeen | I have a working one for 1.8, but dizzy does not have it. |
| 03:47.22 | bluelightning | I mentioned that already - I assume it would be do_populate_sysroot |
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| 13:04.08 | abelloni | Crofton: any chance we can get the dates for OEDEM and Yocto dev day soon ? |
| 13:04.18 | abelloni | We'd like to book our flights :) |
| 13:10.37 | Crofton|work | 99% certain dev day is Monday and OEDAM Friday |
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| 16:27.43 | WillManley | Hi there |
| 16:28.30 | WillManley | I'm trying to produce a static binary of ostree for ARM |
| 16:28.41 | WillManley | for ease of deployment |
| 16:29.38 | WillManley | I'm wondering if openembedded/bitbake is appropriate for producing single application binaries |
| 16:29.54 | WillManley | rather than a complete system image |
| 16:31.07 | WillManley | It was easy enough to write the new rcepies |
| 16:31.13 | rburton | it can do that |
| 16:31.19 | rburton | just turn on static linking in the build |
| 16:31.23 | rburton | and you'll get a package |
| 16:31.38 | WillManley | I'm not sure how to do this |
| 16:31.53 | rburton | what bit? |
| 16:32.05 | rburton | just passing -static in LDFLAGS will do a static build |
| 16:32.48 | WillManley | Just in the application recepie? |
| 16:33.43 | WillManley | I'll try that |
| 16:34.28 | WillManley | Thanks |
| 16:37.11 | WillManley | My concern was that I don't seem to be getting a glib-2.0-staticdev package |
| 16:38.03 | WillManley | which I assume is necessary for statically linking binaries that depend on glib |
| 16:41.09 | rburton | yeah you'l want to enable static packages |
| 16:42.01 | rburton | the poky distro pulls in no-static-libs, which disables static libs |
| 16:42.15 | rburton | this is where i point out that poky is an example and you should make your own :) |
| 16:42.35 | WillManley | I don't think I'm using poky |
| 16:42.36 | rburton | or unset DISTRO and use the defaults instead of poky |
| 16:42.59 | WillManley | I've got DISTRO = "nodistro" |
| 16:43.38 | WillManley | I'm building with TCLIBC = "musl" too |
| 16:44.18 | khem | WillManley: OE is transparent for this, you have to add static linking options to your package |
| 16:44.28 | khem | component build system |
| 16:44.48 | WillManley | I followed the instructions on http://www.openembedded.org/wiki/Getting_started |
| 16:44.51 | khem | bitbake just delegated the build jobs to the package's build system itself |
| 16:45.31 | WillManley | Right |
| 16:45.32 | khem | WillManley: as rburton suggested add -static to LDFLAGS and see what breaks |
| 16:46.04 | WillManley | Yep, will do. Currently rebuilding after upgrading to kragoth from jethro |
| 16:46.07 | khem | you can also inject it via recipe using something like LDFLAGS += "-static" |
| 16:47.10 | WillManley | It's good to know that I should persevere, I was becoming unsure whether this was a use-case supported by openembedded |
| 16:47.26 | WillManley | Thanks |
| 16:50.05 | khem | np |
| 16:51.01 | Crofton|work | I need to club a libatomic into a recipe for aarch64, any suggestions? |
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| 17:18.41 | khem | Crofton|work: libatomic-ops is on OE-core |
| 17:18.44 | khem | already |
| 17:18.59 | khem | Can you use/patch that ? |
| 17:20.16 | Crofton|work | I am trying |
| 17:20.26 | Crofton|work | the symbol is in libatomic.a |
| 17:20.35 | Crofton|work | so I'd liek to insert that into the lnk line |
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| 17:20.49 | khem | -latomic |
| 17:20.51 | Crofton|work | but I can only get it a the beginning of the list of -l's |
| 17:21.13 | khem | I guess you need to modify your package's make system for sequence issues |
| 17:21.19 | Crofton|work | yeah |
| 17:21.23 | khem | recipes are limited in that |
| 17:21.25 | Crofton|work | that is what I am fighting |
| 17:21.47 | khem | does is use gmake/autohell or cmake |
| 17:21.50 | Crofton|work | cmake |
| 17:21.53 | khem | or somehting more esoteric |
| 17:21.55 | khem | ok |
| 17:22.16 | Crofton|work | sounds like you confirm what I have learned so far, need to go into cmake |
| 17:24.32 | khem | find_package(libatomic REQUIRED) |
| 17:25.11 | khem | include_directories(${libatomic__INCLUDE_DIRS}) |
| 17:25.22 | khem | set(LIBS ${LIBS} ${libatomic_LIBRARIES}) |
| 17:25.31 | khem | something like this will help ya |
| 17:26.14 | Crofton|work | yeah< i was just hoping for something a little easier |
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| 19:18.58 | Crofton|work | I hate cmake |
| 19:19.16 | kergoth | yes |
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| 19:43.16 | rburton | not as bad as qmake, so i hear |
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| 19:43.28 | kergoth | true |
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| 20:26.29 | Crofton|work | horros |
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| 23:17.39 | khem | infact all build systems are horror, but its a necessary evil |
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