How can I add LDFLAGS for bsp build?
Joel Sherrill
joel at rtems.org
Fri Jul 22 22:15:22 UTC 2022
On Fri, Jul 22, 2022 at 11:40 AM DAVE ERICKSON <daveerickson at shaw.ca> wrote:
> Hi Joel;
>
>
>> BTW RTEMS uses GNU autotools differently in that it configures in one
>> folder/directory and the builds targets into another folder is a very rare
>> way of using autotools. I know this because I have downloaded and reviewed
>> over 5000 open source projects for my new book.
>>
>
> Funny because the core GNU tools like gcc, binutils, gdb plus newlib all
> allow out of tree builds.
>
> It may be rare to use it this way but it works and leaves your source
> directory with no build artifacts.
>
> It also allows having multiple builds from the same source tree
> simultaneously.
>
> *It's not an indictment of the RTEMS use of GNU Autotools that you build
> out of the configured folder. I am not sure why stating a truth may be
> offensive?*
>
I'm not trying to be offensive. Sorry if it came across that way.
FWIW RTEMS after the 5 branch does not use autotools anyway.
>
>
> *It was never a touchy point I was making, it was that for the purposes of
> debugging you can't use the online advice that people suggest to fix RTEMS
> configuration problems because the "build setup"*
>
> *(configuring in one folder, bulding targets in another) is not the
> TYPICAL way OTHERS use the GNU Autotools. So file finding in PATH searching
> works with different options.*
>
>
>>
>> Most GNU autotools projects configure IN THE FOLDER that they want to
>> compile and archive source code. That's one reason why the problems of
>> diagnosing RTEMS build configurations are harder.
>>
>
> This is not required for autotools. It is just the default instructions.
>
> * When I read this I first thought I was talking to Richard Stallman.
> (LOL)*
>
>>
>> Setting explicit file locations with absolute directories is a way to
>> workaround the problems.
>>
>>
>> Cheers!
>>
>> Daemondave on github
>>
>> Check out my new book Untrapped Value on LeanPub:
>> https://leanpub.com/untrappedvalue
>>
>
>
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