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Subject[PATCH 7/8] tools/thermal: tmon: use pkg-config to determine library dependencies
Some distros (e.g., Arch Linux) don't package the tinfo library
separately from ncurses, so don't unconditionally include it. Instead,
use pkg-config.

The $(STATIC) ugliness is to handle the reported build case from commit
6b533269fb25 ("tools/thermal: tmon: fix compilation errors when building
statically"), where a developer wants to be able to build with:

make LDFLAGS=-static

which requires an additional pkg-config flag.

Finally, support a lowest common denominator fallback (-lpanel
-lncurses) for build systems that don't have pkg-config entries for

Signed-off-by: Brian Norris <>
tools/thermal/tmon/Makefile | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/tools/thermal/tmon/Makefile b/tools/thermal/tmon/Makefile
index 13d1876c7889..0788621c8d76 100644
--- a/tools/thermal/tmon/Makefile
+++ b/tools/thermal/tmon/Makefile
@@ -16,12 +16,21 @@ INSTALL_CONFIGFILE=install -m 644 -p

+# Static builds might require -ltinfo, for instance
+ifneq ($(findstring -static, $(LDFLAGS)),)
+STATIC := --static
+TMON_LIBS=-lm -lpthread
+TMON_LIBS += $(shell pkg-config --libs $(STATIC) panelw ncursesw 2> /dev/null || \
+ pkg-config --libs $(STATIC) panel ncurses 2> /dev/null || \
+ echo -lpanel -lncurses)

OBJS = tmon.o tui.o sysfs.o pid.o

tmon: $(OBJS) Makefile tmon.h
- $(CC) ${CFLAGS} $(LDFLAGS) $(OBJS) -o $(TARGET) -lm -lpanel -lncursesw -ltinfo -lpthread

valgrind: tmon
sudo valgrind -v --track-origins=yes --tool=memcheck --leak-check=yes --show-reachable=yes --num-callers=20 --track-fds=yes ./$(TARGET) 1> /dev/null

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