linux-kernel - [PATCH v2 01/17] perf build: Remove libtracefs configuration

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Message-Id: <20250122062332.577009-2-irogers@google.com>
Date: Tue, 21 Jan 2025 22:23:16 -0800
From: Ian Rogers <irogers@...gle.com>
To: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>, 
	Arnaldo Carvalho de Melo <acme@...nel.org>, Namhyung Kim <namhyung@...nel.org>, 
	Mark Rutland <mark.rutland@....com>, 
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Jiri Olsa <jolsa@...nel.org>, 
	Ian Rogers <irogers@...gle.com>, Adrian Hunter <adrian.hunter@...el.com>, 
	Kan Liang <kan.liang@...ux.intel.com>, Nathan Chancellor <nathan@...nel.org>, 
	Nick Desaulniers <ndesaulniers@...gle.com>, Bill Wendling <morbo@...gle.com>, 
	Justin Stitt <justinstitt@...gle.com>, Aditya Gupta <adityag@...ux.ibm.com>, 
	"Steinar H. Gunderson" <sesse@...gle.com>, Charlie Jenkins <charlie@...osinc.com>, 
	Changbin Du <changbin.du@...wei.com>, "Masami Hiramatsu (Google)" <mhiramat@...nel.org>, 
	James Clark <james.clark@...aro.org>, Kajol Jain <kjain@...ux.ibm.com>, 
	Athira Rajeev <atrajeev@...ux.vnet.ibm.com>, Li Huafei <lihuafei1@...wei.com>, 
	Dmitry Vyukov <dvyukov@...gle.com>, Andi Kleen <ak@...ux.intel.com>, 
	Chaitanya S Prakash <chaitanyas.prakash@....com>, linux-kernel@...r.kernel.org, 
	linux-perf-users@...r.kernel.org, llvm@...ts.linux.dev, 
	Song Liu <song@...nel.org>, bpf@...r.kernel.org
Subject: [PATCH v2 01/17] perf build: Remove libtracefs configuration

libtracefs isn't used by perf but not having it installed causes build
warnings. Given the library isn't used, there is no need for the
configuration or warnings so remove.

Signed-off-by: Ian Rogers <irogers@...gle.com>
---
 tools/perf/Makefile.config | 14 --------------
 1 file changed, 14 deletions(-)

diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index a148ca9efca9..cd773fbbc176 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -1174,20 +1174,6 @@ ifneq ($(NO_LIBTRACEEVENT),1)
   else
     $(error ERROR: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel and/or set LIBTRACEEVENT_DIR or build with NO_LIBTRACEEVENT=1)
   endif
-
-  ifeq ($(feature-libtracefs), 1)
-    CFLAGS +=  $(shell $(PKG_CONFIG) --cflags libtracefs)
-    LDFLAGS += $(shell $(PKG_CONFIG) --libs-only-L libtracefs)
-    EXTLIBS += $(shell $(PKG_CONFIG) --libs-only-l libtracefs)
-    LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs).0.0
-    LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION)))
-    LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION)))
-    LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION)))
-    LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3))
-    CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP)
-  else
-    $(warning libtracefs is missing. Please install libtracefs-dev/libtracefs-devel)
-  endif
 endif
 
 # Among the variables below, these:
-- 
2.48.0.rc2.279.g1de40edade-goog