Date:   Fri, 10 Mar 2023 22:57:41 -0800
In-Reply-To: <20230311065753.3012826-1-irogers@google.com>
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Subject: [PATCH v1 01/13] perf build: Support python/perf.so testing
From:   Ian Rogers <irogers@google.com>
To:     Peter Zijlstra <peterz@infradead.org>,
        Ingo Molnar <mingo@redhat.com>,
        Arnaldo Carvalho de Melo <acme@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Alexander Shishkin <alexander.shishkin@linux.intel.com>,
        Jiri Olsa <jolsa@kernel.org>,
        Namhyung Kim <namhyung@kernel.org>,
        Nathan Chancellor <nathan@kernel.org>,
        Nick Desaulniers <ndesaulniers@google.com>,
        Tom Rix <trix@redhat.com>,
        Roberto Sassu <roberto.sassu@huawei.com>,
        Quentin Monnet <quentin@isovalent.com>,
        Andres Freund <andres@anarazel.de>,
        Tiezhu Yang <yangtiezhu@loongson.cn>,
        Pavithra Gurushankar <gpavithrasha@gmail.com>,
        Yang Jihong <yangjihong1@huawei.com>,
        Adrian Hunter <adrian.hunter@intel.com>,
        Leo Yan <leo.yan@linaro.org>,
        "=?UTF-8?q?Martin=20Li=C5=A1ka?=" <mliska@suse.cz>,
        linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org,
        llvm@lists.linux.dev
Cc:     Stephane Eranian <eranian@google.com>,
        Ian Rogers <irogers@google.com>
Content-Type: text/plain; charset="UTF-8"
Precedence: bulk

Add a build target to echo the python/perf.so's name from
Makefile.perf. Use it in tests/make so the correct target is built and
tested for.

Fixes: caec54705adb ("perf build: Fix python/perf.so library's name")
Signed-off-by: Ian Rogers <irogers@google.com>
---
 tools/perf/Makefile.perf | 7 +++++--
 tools/perf/tests/make    | 5 +++--
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index bac9272682b7..2fcee585b225 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -647,13 +647,16 @@ all: shell_compatibility_test $(ALL_PROGRAMS) $(LANG_BINDINGS) $(OTHER_PROGRAMS)
 # Create python binding output directory if not already present
 _dummy := $(shell [ -d '$(OUTPUT)python' ] || mkdir -p '$(OUTPUT)python')
 
-$(OUTPUT)python/perf$(PYTHON_EXTENSION_SUFFIX): $(PYTHON_EXT_SRCS) $(PYTHON_EXT_DEPS) $(LIBPERF)
+$(OUTPUT)python/perf$(PYTHON_EXTENSION_SUFFIX): $(PYTHON_EXT_SRCS) $(PYTHON_EXT_DEPS) $(LIBPERF) $(LIBSUBCMD)
 	$(QUIET_GEN)LDSHARED="$(CC) -pthread -shared" \
         CFLAGS='$(CFLAGS)' LDFLAGS='$(LDFLAGS)' \
 	  $(PYTHON_WORD) util/setup.py \
 	  --quiet build_ext; \
 	cp $(PYTHON_EXTBUILD_LIB)perf*.so $(OUTPUT)python/
 
+python_perf_target:
+	@echo "Target is: $(OUTPUT)python/perf$(PYTHON_EXTENSION_SUFFIX)"
+
 please_set_SHELL_PATH_to_a_more_modern_shell:
 	$(Q)$$(:)
 
@@ -1152,7 +1155,7 @@ FORCE:
 .PHONY: all install clean config-clean strip install-gtk
 .PHONY: shell_compatibility_test please_set_SHELL_PATH_to_a_more_modern_shell
 .PHONY: .FORCE-PERF-VERSION-FILE TAGS tags cscope FORCE prepare
-.PHONY: archheaders
+.PHONY: archheaders python_perf_target
 
 endif # force_fixdep
 
diff --git a/tools/perf/tests/make b/tools/perf/tests/make
index 009d6efb673c..deb37fb982e9 100644
--- a/tools/perf/tests/make
+++ b/tools/perf/tests/make
@@ -62,10 +62,11 @@ lib = lib
 endif
 
 has = $(shell which $1 2>/dev/null)
+python_perf_so := $(shell $(MAKE) python_perf_target|grep "Target is:"|awk '{print $$3}')
 
 # standard single make variable specified
 make_clean_all      := clean all
-make_python_perf_so := python/perf.so
+make_python_perf_so := $(python_perf_so)
 make_debug          := DEBUG=1
 make_no_libperl     := NO_LIBPERL=1
 make_no_libpython   := NO_LIBPYTHON=1
@@ -204,7 +205,7 @@ test_make_doc    := $(test_ok)
 test_make_help_O := $(test_ok)
 test_make_doc_O  := $(test_ok)
 
-test_make_python_perf_so := test -f $(PERF_O)/python/perf.so
+test_make_python_perf_so := test -f $(PERF_O)/$(python_perf_so)
 
 test_make_perf_o           := test -f $(PERF_O)/perf.o
 test_make_util_map_o       := test -f $(PERF_O)/util/map.o
-- 
2.40.0.rc1.284.g88254d51c5-goog