Makefile: cleanup linking to librttest.a
Only add '-lrttest -L.' where it's actually needed.
Use '$<' instead of '$^'. Otherwise librttest is added twice:
As 'librttest.a' and as '-lrttest'.
Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de>
Signed-off-by: John Kacur <jkacur@redhat.com>
diff --git a/Makefile b/Makefile
index da7b419..5d7f449 100644
--- a/Makefile
+++ b/Makefile
@@ -11,7 +11,8 @@
TARGETS = $(sources:.c=)
-LIBS = -lrt -lpthread -lrttest -L.
+LIBS = -lrt -lpthread
+RTTESTLIB = -lrttest -L.
EXTRA_LIBS ?= -ldl # for get_cpu
DESTDIR ?=
prefix ?= /usr/local
@@ -68,41 +69,41 @@
-include $(sources:.c=.d)
cyclictest: cyclictest.o librttest.a
- $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS) $(NUMA_LIBS)
+ $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) $(RTTESTLIB) $(NUMA_LIBS)
signaltest: signaltest.o librttest.a
- $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS)
+ $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) $(RTTESTLIB)
pi_stress: pi_stress.o librttest.a
- $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS)
+ $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) $(RTTESTLIB)
hwlatdetect: src/hwlatdetect/hwlatdetect.py
chmod +x src/hwlatdetect/hwlatdetect.py
ln -s src/hwlatdetect/hwlatdetect.py hwlatdetect
rt-migrate-test: rt-migrate-test.o
- $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS)
+ $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS)
ptsematest: ptsematest.o librttest.a
- $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS) $(EXTRA_LIBS)
+ $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) $(RTTESTLIB) $(EXTRA_LIBS)
sigwaittest: sigwaittest.o librttest.a
- $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS) $(EXTRA_LIBS)
+ $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) $(RTTESTLIB) $(EXTRA_LIBS)
svsematest: svsematest.o librttest.a
- $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS) $(EXTRA_LIBS)
+ $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) $(RTTESTLIB) $(EXTRA_LIBS)
pmqtest: pmqtest.o librttest.a
- $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS) $(EXTRA_LIBS)
+ $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) $(RTTESTLIB) $(EXTRA_LIBS)
sendme: sendme.o librttest.a
- $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS) $(EXTRA_LIBS)
+ $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) $(RTTESTLIB) $(EXTRA_LIBS)
pip_stress: pip_stress.o librttest.a
- $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS)
+ $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) $(RTTESTLIB)
hackbench: hackbench.o
- $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS)
+ $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS)
librttest.a: rt-utils.o error.o rt-get_cpu.o rt-sched.o
$(AR) rcs librttest.a $^
