[OE-core] [oe-core] recipe using environment variable does not refresh / rebuild

[Burton, Ross]

On 1 February 2018 at 14:46, Piotr Lewicki <piotr.lewicki at elfin.de> wrote:

> Hi,
>
> I have a problem with forcing rebuild of the recipe depending on the
> environment variable.
>
> In my recipe I have an anonymous python function that obtains the env
> variable and depending on it sets some other internal variables (needed by
> swupdate recipe):
>
>
> python() {
>     origenv = d.getVar("BB_ORIGENV", False)
>     u_boot_enabled = origenv.getVar("ADD_UBOOT_TO_UPDATE", False)
>
>     if u_boot_enabled == None:
>         bb.warn("Not adding u-boot to the image")
>     else:
>         bb.warn("Adding u-boot to the image")
>         d.appendVar("SWUPDATE_IMAGES", " u-boot.imx")
>         d.setVarFlag("SWUPDATE_IMAGES_NOAPPEND_MACHINE", "u-boot.imx",
> "1")
> }
>
>
> My issue is that there is no difference when I either set or unset my
> environment variable "ADD_UBOOT_TO_UPDATE".
>
>
> Can you point me a solution how I could force checking this variable and
> rerunning/rebuilding the recipe?
>

Can't you use a variable set in local.conf instead?

Ross
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