On Thu, May 10, 2018 at 01:54 Ugesh Reddy via bitbake-devel <
bitbake-devel@lists.openembedded.org> wrote:

> Hello,
>
> Thanks a lot for the reference manual.
>
>
>
> I have created example recipe.
>
>
>
> *The content of the .bb file:*
>
>
>
> #
>
> # This file was derived from the 'Hello World!' example recipe in the
>
> # Yocto Project Development Manual.
>
> #
>
>
>
> DESCRIPTION = "Simple helloworld application"
>
> SECTION = "examples"
>
> DEPENDS = ""
>
> LICENSE = "MIT"
>
> #LIC_FILES_CHKSUM = "file://LICENSE;md5=0835ade698e0bcf8506ecda2f7b4f302"
>
> LIC_FILES_CHKSUM =
> "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4f302"
>
> #FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}-${PV}:"
>
>
>
> SRCREV = "4ec84957442182f36351f94c0626560ec3ffd487"
>
> #SRC_URI = "https://github.com/DynamicDevices/bbexample.git"
>
> SRC_URI = "file://bbexample-0.1.tar.gz"
>
> S = "${WORKDIR}/bbexample"
>
>
>
> do_configure_prepend () {
>
>   ${S}/autogen.sh
>
> }
>

The equivalent of autogen.sh is already done for you in autotools.bbclass's
do_configure(). I'd suggest removing this.

inherit autotools
>
>
>
> *Sources*
>
>
>
> -rwxr-xr-x 1 umn5cob umn5cob   294 May 10 01:41 autogen.sh
>
> -rw-r--r-- 1 umn5cob umn5cob   274 May 10 01:41 bbexample.c
>
> -rw-r--r-- 1 umn5cob umn5cob   259 May 10 01:41 bbexample.h
>
> -rw-r--r-- 1 umn5cob umn5cob   374 May 10 01:41 bbexamplelib.c
>
> -rw-r--r-- 1 umn5cob umn5cob   659 May 10 01:41 configure.ac
>
> -rw-r--r-- 1 umn5cob umn5cob   303 May 10 01:41 Makefile.am
>
> -rw-rw-r-- 1 umn5cob umn5cob 30416 May 10 02:02 Makefile.in
>
>
>
> *Error:*
>
> NOTE: Preparing RunQueue
>
> NOTE: Executing SetScene Tasks
>
> NOTE: Executing RunQueue Tasks
>
> *ERROR: Function failed: do_configure (log file is located at
> /home/umn5cob/yocto/poky/build/tmp/work/core2-64-poky-linux/bbexample/1.0-r0/temp/log.do_configure.24121)*
>
> *ERROR: Logfile of failure stored in:
> /home/umn5cob/yocto/poky/build/tmp/work/core2-64-poky-linux/bbexample/1.0-r0/temp/log.do_configure.24121*
>
> Log data follows:
>
> | DEBUG: Executing python function sysroot_cleansstate
>
> | DEBUG: Python function sysroot_cleansstate finished
>
> | DEBUG: SITE files ['endian-little', 'common-linux', 'common-glibc',
> 'bit-64', 'x86_64-linux', 'common']
>
> | DEBUG: Executing shell function autotools_preconfigure
>
> | Previously configured separate build directory detected, cleaning
> /home/umn5cob/yocto/poky/build/tmp/work/core2-64-poky-linux/bbexample/1.0-r0/build
>
> | DEBUG: Shell function autotools_preconfigure finished
>
> | DEBUG: Executing python function autotools_copy_aclocals
>
> | DEBUG: SITE files ['endian-little', 'common-linux', 'common-glibc',
> 'bit-64', 'x86_64-linux', 'common']
>
> | DEBUG: Python function autotools_copy_aclocals finished
>
> | DEBUG: Executing shell function do_configure
>
> | Generating configure files... may take a while.
>
> | autoreconf: 'configure.ac' or 'configure.in' is required
>
> | WARNING: exit code 1 from a shell command.
>
> *| ERROR: Function failed: do_configure (log file is located at
> /home/umn5cob/yocto/poky/build/tmp/work/core2-64-poky-linux/bbexample/1.0-r0/temp/log.do_configure.24121)*
>
> *ERROR: Task 5
> (/home/umn5cob/yocto/poky/meta-yocto-bsp/recipes-bbexample_1.0/bbexample/bbexample_1.0.bb
> <http://bbexample_1.0.bb>, do_configure) failed with exit code '1'*
>
> NOTE: Tasks Summary: Attempted 533 tasks of which 532 didn't need to be
> rerun and 1 failed.
>
> No currently running tasks (510 of 543)
>
>
>
> Summary: 1 task failed:
>
>   /home/umn5cob/yocto/poky/meta-yocto-bsp/recipes-bbexample_1.0/bbexample/
> bbexample_1.0.bb, do_configure
>
> Summary: There was 1 WARNING message shown.
>
> Summary: There was 1 ERROR message shown, returning a non-zero exit code.
>
>
>
> Someone please guide me what is missed and error?
>
>
> Sent from Yahoo Mail on Android
> <https://overview.mail.yahoo.com/mobile/?.src=Android>
>
> On Thu, 10 May 2018 at 5:59 a.m., Andre McCurdy
> <armccurdy@gmail.com> wrote:
> On Wed, May 9, 2018 at 8:59 AM, Ugesh Reddy via bitbake-devel <
> bitbake-devel@lists.openembedded.org> wrote:
>
> Hello,
>  The devtool hides out the information and trying to learn bitbake and
> wanted understand each entry in the .BB files.So I would to write it
> instead of tool.
>
> Could you guide me?
>
>
> How to write a recipe is well documented:
>
>
> https://www.yoctoproject.org/docs/current/mega-manual/mega-manual.html#new-recipe-writing-a-new-recipe
>
> https://www.yoctoproject.org/docs/current/mega-manual/mega-manual.html#new-recipe-autotooled-package
>
> You can also learn a lot by reviewing and understanding the recipes in
> oe-core.
>
> --
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>