[PATCH v4 0/8] expand list of optional libraries

[Bruce Richardson]

On Tue, Aug 15, 2023 at 02:13:12PM +0100, Bruce Richardson wrote:
> This patchset contains changes to DPDK to make the build more configurable
> overall. The changes can be grouped into two areas:
> 
> * Firstly, there are changes to make the build of the unit tests more
>   flexible and maintainable. These 5 patches switch the unit tests from
>   having separate hard-coded lists of files and tests, with lots of
>   conditional logic to add/remove items from the list, to instead being
>   a single list of files and dependencies per-file. The actual lists of
>   test-suites are built up dynamically from the list of files whose
>   dependencies are met and therefore will be part of the build.
>   This rework enables...
> * The second set of patches which expands the list of libraries which
>   can be disabled at build-time, while still giving a successful build
>   of DPDK. Overall, after this set is applied, the list of optional
>   libraries in DPDK is approx doubled in size. [15 additions giving
>   31 optional libs]
> 
> NOTES:
> * as stated in the RFC, the test binary moves in the build as a result
>   of this set - from app/test/dpdk-test to app/dpdk-test.
> * running the suites of tests no longer works after patch 4 until patch
>   5 is applied. If this is an issue, the two patches can be merged on
>   apply. However, the individual tests are still runnable through the
>   test binary - it's only through "meson test" that there are issues, so
>   I'm keeping the patches separate since each is relatively complex in its
>   own right.
> * A number of files in the test directory were not being built, and seem
>   to have never been built with meson. This requires separate work, outside
>   the scope of the patchset to fix.
> * Similarly, some unit tests were never added to test suites. These can
>   now be found by using grep to find the old REGISTER_TEST_COMMAND macro.
>   Again, adding orphan tests to suites is outside the scope of this set.
> 
> V4:
> - improve test suite definition, hopefully improving test pass rate:
>   - drop unnecessary file-prefix for fast tests, since tests are not parallel
>   - always pass driver path flag in "meson test" for shared builds.
> 
Missed applying Morten's ack to the series in V4. Adding it here.

Series-acked-by: Morten Brørup <mb at smartsharesystems.com>