[PATCH 2/3] perf build: Add the output Python directory to pylint's PYTHONPATH

[Leo Yan]

Prepend the output Python directory to pylint's PYTHONPATH so builds
using O= can also find the generated extension.

Fixes: 5fe83fb352c8 ("perf build: Make pylint build test opt-out (NO_PYLINT=1)")
Reported-by: Aishwarya TCV <aishwarya.tcv@xxxxxxx>
Assisted-by: Codex:gpt-6
Signed-off-by: Leo Yan <leo.yan@xxxxxxx>
---
 tools/perf/Makefile.perf | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index d350d085542c64fc6d0bed4c5d7d1daac51efa8b..0151aac394569671b98c98a42d97f75d380856cc 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -310,7 +310,7 @@ ifneq ($(force_fixdep),1)
       $(warning Warning: pylint version is older than 2.16.0, skipping pylint checks.)
       override PYLINT :=
     else
-      override PYLINT := PYTHONPATH=$(srctree)/tools/perf/python:$(srctree)/tools/perf/pmu-events \
+      override PYLINT := PYTHONPATH=$(abspath $(OUTPUT)python):$(srctree)/tools/perf/python:$(srctree)/tools/perf/pmu-events \
         $(PYLINT) --disable=all --enable=E,W --disable=W0123,W0311,W0511,W0603,W0622,W0718 \
         --ignored-modules=textual,setproctitle
     endif

-- 
2.34.1