linux-kernel - [PATCH 2/6] tools/lib/thermal: Fix dependency to host libnl

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Message-ID: <20250811065915.3333142-3-eugen.hristev@linaro.org>
Date: Mon, 11 Aug 2025 09:59:11 +0300
From: Eugen Hristev <eugen.hristev@...aro.org>
To: rafael@...nel.org,
	daniel.lezcano@...aro.org,
	linux-pm@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
	Eugen Hristev <eugen.hristev@...aro.org>
Subject: [PATCH 2/6] tools/lib/thermal: Fix dependency to host libnl

The include path should be created according to host pkg-config
especially when building with a different sysroot or cross compiling.
Thus, call the pkg-config to obtain the correct path instead of
accessing directly from root host file system, which is incorrect.

Fixes: 47c4b0de080a ("tools/lib/thermal: Add a thermal library")
Signed-off-by: Eugen Hristev <eugen.hristev@...aro.org>
---
 tools/lib/thermal/Makefile | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/tools/lib/thermal/Makefile b/tools/lib/thermal/Makefile
index a1f5e388644d..ea56b55c9fcb 100644
--- a/tools/lib/thermal/Makefile
+++ b/tools/lib/thermal/Makefile
@@ -47,7 +47,6 @@ else
 endif
 
 INCLUDES = \
--I/usr/include/libnl3 \
 -I$(srctree)/tools/lib/thermal/include \
 -I$(srctree)/tools/lib/ \
 -I$(srctree)/tools/include \
@@ -55,6 +54,12 @@ INCLUDES = \
 -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi \
 -I$(srctree)/tools/include/uapi
 
+VAR_INCLUDES = $(shell pkg-config --cflags libnl-3.0 libnl-genl-3.0 2>/dev/null)
+ifeq ($(VAR_INCLUDES),)
+VAR_INCLUDES = -I/usr/include/libnl3
+endif
+override CFLAGS += $(VAR_INCLUDES)
+
 # Append required CFLAGS
 override CFLAGS += $(EXTRA_WARNINGS)
 override CFLAGS += -Werror -Wall
-- 
2.43.0