linux-kernel - [PATCH v3 01/11] perf build: Fix LIBDW

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Message-Id: <20241017001354.56973-2-irogers@google.com>
Date: Wed, 16 Oct 2024 17:13:44 -0700
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>, John Garry <john.g.garry@...cle.com>, 
	Will Deacon <will@...nel.org>, James Clark <james.clark@...aro.org>, 
	Mike Leach <mike.leach@...aro.org>, Leo Yan <leo.yan@...ux.dev>, Guo Ren <guoren@...nel.org>, 
	Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt <palmer@...belt.com>, 
	Albert Ou <aou@...s.berkeley.edu>, Nick Terrell <terrelln@...com>, 
	"Masami Hiramatsu (Google)" <mhiramat@...nel.org>, Changbin Du <changbin.du@...wei.com>, 
	Guilherme Amadio <amadio@...too.org>, Yang Jihong <yangjihong@...edance.com>, 
	Aditya Gupta <adityag@...ux.ibm.com>, Athira Rajeev <atrajeev@...ux.vnet.ibm.com>, 
	Masahiro Yamada <masahiroy@...nel.org>, Bibo Mao <maobibo@...ngson.cn>, 
	Huacai Chen <chenhuacai@...nel.org>, Kajol Jain <kjain@...ux.ibm.com>, 
	Atish Patra <atishp@...osinc.com>, Shenlin Liang <liangshenlin@...incomputing.com>, 
	Anup Patel <anup@...infault.org>, Oliver Upton <oliver.upton@...ux.dev>, 
	"Steinar H. Gunderson" <sesse@...gle.com>, "Dr. David Alan Gilbert" <linux@...blig.org>, 
	Chen Pei <cp0613@...ux.alibaba.com>, Dima Kogan <dima@...retsauce.net>, 
	Przemek Kitszel <przemyslaw.kitszel@...el.com>, "David S. Miller" <davem@...emloft.net>, 
	Alexander Lobakin <aleksander.lobakin@...el.com>, linux-kernel@...r.kernel.org, 
	linux-perf-users@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
	linux-csky@...r.kernel.org, linux-riscv@...ts.infradead.org
Subject: [PATCH v3 01/11] perf build: Fix LIBDW_DIR

Testing with a LIBDW_DIR showed that in Makefile.config the dwarf
feature tests need the LIBDW_DIR setting in the CFLAGS/LDFLAGS.

Signed-off-by: Ian Rogers <irogers@...gle.com>
---
 tools/perf/Makefile.config | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index 4ddb27a48eed..c1c7c25887a7 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -162,8 +162,14 @@ ifeq ($(findstring -static,${LDFLAGS}),-static)
   # Must put -ldl after -lebl for dependency
   DWARFLIBS += -ldl
 endif
+FEATURE_CHECK_CFLAGS-dwarf := $(LIBDW_CFLAGS)
+FEATURE_CHECK_LDFLAGS-dwarf := $(LIBDW_LDFLAGS) $(DWARFLIBS)
 FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
 FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
+FEATURE_CHECK_CFLAGS-dwarf_getlocations := $(LIBDW_CFLAGS)
+FEATURE_CHECK_LDFLAGS-dwarf_getlocations := $(LIBDW_LDFLAGS) $(DWARFLIBS)
+FEATURE_CHECK_CFLAGS-dwarf_getcfi := $(LIBDW_CFLAGS)
+FEATURE_CHECK_LDFLAGS-dwarf_getcfi := $(LIBDW_LDFLAGS) $(DWARFLIBS)
 
 # for linking with debug library, run like:
 # make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
-- 
2.47.0.105.g07ac214952-goog