[PATCH] build: Ensure mandatory compiler/linker flags

Chris Johns chrisj at rtems.org
Mon Jul 13 00:09:36 UTC 2020

On 8/7/20 9:37 pm, Sebastian Huber wrote:
> On 08/07/2020 13:34, Chris Johns wrote:
>> Are these flags needed for all BSPs?
> Yes, these flags are needed to build and use libbsd.

Why not define them for all BSPs and for all applications?

What is special about libbsd that it needs these flags over any other type of

>> If so why add to here ...
>> https://git.rtems.org/rtems/tree/c/src/bsp.pc.in
> These are optimization flags. I thought the consensus was to export only ABI
> relevant flags in the new build system.

In CFLAGS yes. Pkgconfig files (.pc) support variables and I had always thought
we define a number of RTEMS specific variables and these hold various flags or
commands needed to handle other things, for example the options to mkimage. A
user could then test for a variable and if present know this BSP does or has
extra "what ever".


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