[yocto] Sourcing a shell script within a bbclass

[McClintock Matthew-B29882]

On Sun, Jun 24, 2012 at 10:20 AM, Elvis Dowson <elvis.dowson at gmail.com> wrote:
> Hi,
>
> On Jun 24, 2012, at 6:24 PM, Elvis Dowson wrote:
>
> How can I source a shell script within a bbclass? For example, in
> meta-xilinx/classes/xilinx-boot.bbclass, I need to source a script file
> called settings64.sh, which setups the environment variables for the Xilinx
> ISE 14.1 design tools, in order to generate a system ace image file.
>
> For the following code snippet:
>
> if   [ "${XILINX_VER}" \> "14" ]; then
> bbnote "XILINX_VER ${XILINX_VER}, script location
> ${XILINX_LOC}/${EDK_SCRIPT}"
> source ${XILINX_LOC}/${EDK_SCRIPT} ${XILINX_LOC}
> fi

ubuntu likes the . operator

> . ${XILINX_LOC}/${EDK_SCRIPT} ${XILINX_LOC}

-M

>
> I get the following error:
>
> DEBUG: Executing python function sstate_task_prefunc
> DEBUG: Python function sstate_task_prefunc finished
> DEBUG: Executing shell function do_deploy
> ERROR: Function failed: do_deploy (see
> /tool/yocto/poky/build/tmp/work/ppc440-poky-linux/u-boot-xilinx-v2012.04.01-r16/temp/log.do_deploy.15616
> for further information)
> NOTE: Deploying uboot elf image to /project/xilinx-ml507
> NOTE: Xilinx design tools installed in /tool/xilinx/14.1/ISE_DS
> NOTE: Generate system ace image
> NOTE: EDK_SCRIPT settings64.sh
> NOTE: XILINX_VER 14.1, script location
> /tool/xilinx/14.1/ISE_DS/settings64.sh
> /tool/yocto/poky/build/tmp/work/ppc440-poky-linux/u-boot-xilinx-v2012.04.01-r16/temp/run.do_deploy.15616:
> 129:
> /tool/yocto/poky/build/tmp/work/ppc440-poky-linux/u-boot-xilinx-v2012.04.01-r16/temp/run.do_deploy.15616:
> source: not found
>
> if I replace the source keyword with a . (dot)
>
> if   [ "${XILINX_VER}" \> "14" ]; then
> bbnote "XILINX_VER ${XILINX_VER}, script location
> ${XILINX_LOC}/${EDK_SCRIPT}"
> . ${XILINX_LOC}/${EDK_SCRIPT} ${XILINX_LOC}
> fi
>
> it executes the scripts but gives the following error:
>
> NOTE: XILINX_VER 14.1, script location
> /tool/xilinx/14.1/ISE_DS/settings64.sh
> /tool/yocto/poky/build/tmp/work/ppc440-poky-linux/u-boot-xilinx-v2012.04.01-r16/temp/run.do_deploy.7879:
> 12: [:
> /tool/yocto/poky/build/tmp/work/ppc440-poky-linux/u-boot-xilinx-v2012.04.01-r16/temp/run.do_deploy.7879:
> unexpected operator
> . /tool/xilinx/14.1/ISE_DS/common/.settings64.sh
> /tool/xilinx/14.1/ISE_DS/common
> . /tool/xilinx/14.1/ISE_DS/EDK/.settings64.sh /tool/xilinx/14.1/ISE_DS/EDK
> . /tool/xilinx/14.1/ISE_DS/common/CodeSourcery/.settings64.sh
> /tool/xilinx/14.1/ISE_DS/common/CodeSourcery
> . /tool/xilinx/14.1/ISE_DS/PlanAhead/.settings64.sh
> /tool/xilinx/14.1/ISE_DS/PlanAhead
> . /tool/xilinx/14.1/ISE_DS/../../Vivado/2012.1/.settings64.sh
> /tool/xilinx/14.1/ISE_DS/../../Vivado/2012.1
> . /tool/xilinx/14.1/ISE_DS/ISE/.settings64.sh /tool/xilinx/14.1/ISE_DS/ISE
> . /tool/xilinx/14.1/ISE_DS/SysGen/.settings64.sh
> /tool/xilinx/14.1/ISE_DS/SysGen
>
>
> What should I do to source the settings64.sh file properly within the
> bbclass?
>
>
> The problem was because of Ubuntu 12.04 shell being configured by default to
> use dash, instead of bash.
>
> After I reconfigured the shell to use bash using the command:
>
> $ sudo dpkg-reconfigure dash
>
> everything works fine. However, Yocto 1.2 defaults or assumes that the user
> will use dash.
>
> Is there anyway I can fix this issue, so that the bbclass works for both
> dash and bash. Using the . (dot) to source the script doesn't seem to work,
> so I was wondering if there are any other workarounds that I can use to
> emulate bash's sourcing behaviour in dash.
>
> Best regards,
>
> Elvis Dowson
>
>
>
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