This is a note to let you know that I've just added the patch titled
tools/runqslower: Fix LDFLAGS and add LDLIBS support
to the 6.6-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
tools-runqslower-fix-ldflags-and-add-ldlibs-support.patch
and it can be found in the queue-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit d7017e8d80353186976651f733c06ea2241dd6d2
Author: Tony Ambardar <tony.ambardar@xxxxxxxxx>
Date: Mon Jul 22 17:30:45 2024 -0700
tools/runqslower: Fix LDFLAGS and add LDLIBS support
[ Upstream commit f86601c3661946721e8f260bdd812b759854ac22 ]
Actually use previously defined LDFLAGS during build and add support for
LDLIBS to link extra standalone libraries e.g. 'argp' which is not provided
by musl libc.
Fixes: 585bf4640ebe ("tools: runqslower: Add EXTRA_CFLAGS and EXTRA_LDFLAGS support")
Signed-off-by: Tony Ambardar <tony.ambardar@xxxxxxxxx>
Signed-off-by: Andrii Nakryiko <andrii@xxxxxxxxxx>
Acked-by: Ilya Leoshkevich <iii@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/bpf/20240723003045.2273499-1-tony.ambardar@xxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/tools/bpf/runqslower/Makefile b/tools/bpf/runqslower/Makefile
index d8288936c9120..c4f1f1735af65 100644
--- a/tools/bpf/runqslower/Makefile
+++ b/tools/bpf/runqslower/Makefile
@@ -15,6 +15,7 @@ INCLUDES := -I$(OUTPUT) -I$(BPF_INCLUDE) -I$(abspath ../../include/uapi)
CFLAGS := -g -Wall $(CLANG_CROSS_FLAGS)
CFLAGS += $(EXTRA_CFLAGS)
LDFLAGS += $(EXTRA_LDFLAGS)
+LDLIBS += -lelf -lz
# Try to detect best kernel BTF source
KERNEL_REL := $(shell uname -r)
@@ -51,7 +52,7 @@ clean:
libbpf_hdrs: $(BPFOBJ)
$(OUTPUT)/runqslower: $(OUTPUT)/runqslower.o $(BPFOBJ)
- $(QUIET_LINK)$(CC) $(CFLAGS) $^ -lelf -lz -o $@
+ $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $^ $(LDLIBS) -o $@
$(OUTPUT)/runqslower.o: runqslower.h $(OUTPUT)/runqslower.skel.h \
$(OUTPUT)/runqslower.bpf.o | libbpf_hdrs
