On Mon, 3 May 2021, Andre McCurdy wrote: > On Mon, May 3, 2021 at 7:55 AM Robert P. J. Day <rpj...@crashcourse.ca> wrote: > > > > colleague asks a simple question (and i'm not in front of my dev > > box at the moment so i can't verify what i'm about to suggest): > > how to add the header files in a given "-dev" package to the host > > component of the SDK? > > The implication of that is that you want to use a header file from a > host component of the SDK to be able to compile additional tools etc > to run on the host after the SDK has been created?
i am *assuming* that's the plan, but i was provided with no actual rationale, only asked how to do it. i'm going to harangue people tomorrow regarding what they're after. > Normally the SDK tools etc which run on the host are all compiled as > part of creating the SDK, not afterwards. that's my understanding but, again, i'm just responding to a very specific request; i guess we'll soon see if that's the right approach to what they're looking for. > > i haven't spent a lot of time messing with SDKs (that is about to > > change), but as i read it, if one wants to add the contents of any > > given development package to the host SDK, it would look like: > > > > TOOLCHAIN_HOST_TASK_append = " nativesdk-fubar-dev" > > > > i have no idea what the rationale is here, i'm just trying to > > address the question, which in addition asks, "if you add something > > like that to the host side, is it automatically added to the target > > side?" > > It's not. i was pretty sure it wasn't but i tried a number of examples just to be absolutely sure. however, i did notice something i didn't understand. (this is my first foray into messing with SDKs so these will be simple questions.) as a test, i built a core-image-minimal for qemuarm64, then started playing with: TOOLCHAIN_HOST_TASK_append = " ..." to see what was added to the host manifest file. when i added: TOOLCHAIN_HOST_TASK_append = " nativesdk-expect" then, sure enough, that package was added to the host manifest file. however, when i added the -dev package: TOOLCHAIN_HOST_TASK_append = " nativesdk-expect-dev" then *both* packages were added, as in, the regular package was dragged along with the -dev package, which *seems* reasonable, but where in the code (class file?) is this processing done? put another way, under what circumstances will adding a -dev package to the host portion of the SDK necessarily add the primary package? rday
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