linux-kernel - [PATCH v3 5/5] tools/latency: Use pkg-config in lib

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Message-ID: <20240712194511.3973899-6-amadio@gentoo.org>
Date: Fri, 12 Jul 2024 21:40:50 +0200
From: Guilherme Amadio <amadio@...too.org>
To: Namhyung Kim <namhyung@...nel.org>
Cc: Arnaldo Carvalho de Melo <acme@...nel.org>,
	Ian Rogers <irogers@...gle.com>,
	Thorsten Leemhuis <linux@...mhuis.info>,
	Leo Yan <leo.yan@....com>,
	linux-perf-users@...r.kernel.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Guilherme Amadio <amadio@...too.org>
Subject: [PATCH v3 5/5] tools/latency: Use pkg-config in lib_setup of Makefile.config

This allows to build against libtraceevent and libtracefs installed
in non-standard locations.

Signed-off-by: Guilherme Amadio <amadio@...too.org>
---
 tools/tracing/latency/Makefile.config | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/tracing/latency/Makefile.config b/tools/tracing/latency/Makefile.config
index b25e531a1f95..0fe6b50f029b 100644
--- a/tools/tracing/latency/Makefile.config
+++ b/tools/tracing/latency/Makefile.config
@@ -3,8 +3,9 @@
 STOP_ERROR :=
 
 define lib_setup
-  $(eval EXTLIBS += -l$(1))
   $(eval LIB_INCLUDES += $(shell sh -c "$(PKG_CONFIG) --cflags lib$(1)"))
+  $(eval LDFLAGS += $(shell sh -c "$(PKG_CONFIG) --libs-only-L lib$(1)"))
+  $(eval EXTLIBS += $(shell sh -c "$(PKG_CONFIG) --libs-only-l lib$(1)"))
 endef
 
 $(call feature_check,libtraceevent)
-- 
2.45.2