Re: [PATCH v2 00/14] Fix perf tools/lib includes

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Hi Ian,

On Wed, Nov 9, 2022 at 10:49 AM Ian Rogers <irogers@xxxxxxxxxx> wrote:
>
> The previous build would add -Itools/lib and get dependencies for
> libtraceevent, libsubcmd, libsymbol, libapi and libbpf meaning that
> overriding these libraries would change the link time dependency but
> the headers would erroneously come from tools/lib. Fix the build to
> install headers and then depend on these. To reduce exposing internal
> headers/APIs some clean up is performed. tools/lib/symbol has a
> Makefile added, while tools/lib/api and tools/lib/subcmd have install
> targets added. The pattern used for the dependencies in Makefile.perf
> is modelled on libbpf.
>
> The problem and solution were motivated by this issue and discussion:
> https://lore.kernel.org/lkml/CAEf4BzbbOHQZUAe6iWaehKCPQAf3VC=hq657buqe2_yRKxaK-A@xxxxxxxxxxxxxx/
>
> v2. Fix a MANIFEST issue for the source tar ball. Add dependencies for
>     the installed header files so that the build doesn't overtake
>     building these dependencies. Both issues reported by Arnaldo
>     Carvalho de Melo <acme@xxxxxxxxxx>.
>
> Ian Rogers (14):
>   tools lib api: Add install target
>   tools lib subcmd: Add install target
>   perf build: Install libsubcmd locally when building
>   perf build: Install libapi locally when building
>   perf build: Install libperf locally when building
>   perf build: Install libtraceevent locally when building
>   tools lib api: Add missing install headers
>   tools lib perf: Add missing install headers
>   tool lib symbol: Add Makefile/Build
>   perf build: Install libsymbol locally when building
>   perf expr: Tidy hashmap dependency
>   perf thread_map: Reduce exposure of libperf internal API
>   perf cpumap: Tidy libperf includes
>   perf build: Use tools/lib headers from install path

Acked-by: Namhyung Kim <namhyung@xxxxxxxxxx>

Thanks,
Namhyung


>
>  tools/lib/api/Makefile                        |  52 +++++
>  tools/lib/perf/Makefile                       |  10 +-
>  tools/lib/subcmd/Makefile                     |  49 +++++
>  tools/lib/symbol/Build                        |   1 +
>  tools/lib/symbol/Makefile                     | 115 +++++++++++
>  tools/perf/.gitignore                         |   7 +-
>  tools/perf/MANIFEST                           |   3 +-
>  tools/perf/Makefile.config                    |   2 -
>  tools/perf/Makefile.perf                      | 192 ++++++++++++++----
>  tools/perf/builtin-stat.c                     |   1 +
>  tools/perf/builtin-trace.c                    |   4 +-
>  tools/perf/tests/cpumap.c                     |   2 +-
>  tools/perf/tests/expr.c                       |   1 +
>  tools/perf/tests/openat-syscall.c             |   1 +
>  tools/perf/tests/pmu-events.c                 |   1 +
>  tools/perf/tests/thread-map.c                 |   1 +
>  tools/perf/util/Build                         |   5 -
>  tools/perf/util/auxtrace.h                    |   2 +-
>  tools/perf/util/bpf-loader.c                  |   4 -
>  tools/perf/util/bpf_counter.c                 |   2 +-
>  tools/perf/util/cpumap.c                      |   1 +
>  tools/perf/util/cpumap.h                      |   2 +-
>  tools/perf/util/evsel.c                       |   5 +-
>  tools/perf/util/evsel.h                       |   2 -
>  tools/perf/util/expr.c                        |   1 +
>  tools/perf/util/expr.h                        |   7 +-
>  tools/perf/util/metricgroup.c                 |   1 +
>  tools/perf/util/python.c                      |   6 +-
>  .../scripting-engines/trace-event-python.c    |   2 +-
>  tools/perf/util/stat-shadow.c                 |   1 +
>  tools/perf/util/stat.c                        |   4 -
>  tools/perf/util/thread_map.c                  |   1 +
>  tools/perf/util/thread_map.h                  |   2 -
>  33 files changed, 402 insertions(+), 88 deletions(-)
>  create mode 100644 tools/lib/symbol/Build
>  create mode 100644 tools/lib/symbol/Makefile
>
> --
> 2.38.1.431.g37b22c650d-goog
>



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