This is a note to let you know that I've just added the patch titled
perf tools: Add an option to build without libbfd
to the 5.10-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:
perf-tools-add-an-option-to-build-without-libbfd.patch
and it can be found in the queue-5.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 6a1c6f46c9e6090cc0d040c2414e783524d51c05
Author: Ian Rogers <irogers@xxxxxxxxxx>
Date: Fri Sep 10 15:57:56 2021 -0700
perf tools: Add an option to build without libbfd
[ Upstream commit 0d1c50ac488ebdaeeaea8ed5069f8d435fd485ed ]
Some distributions, like debian, don't link perf with libbfd. Add a
build flag to make this configuration buildable and testable.
This was inspired by:
https://lore.kernel.org/linux-perf-users/20210910102307.2055484-1-tonyg@xxxxxxxxxxxxxxxxxxx/T/#u
Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Mark Rutland <mark.rutland@xxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: tony garnock-jones <tonyg@xxxxxxxxxxxxxxxxxxx>
Link: http://lore.kernel.org/lkml/20210910225756.729087-1-irogers@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Stable-dep-of: 7822a8913f4c ("perf build: Update build rule for generated files")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index 3e7706c251e9e..89905b4e93091 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -824,33 +824,36 @@ else
endif
endif
-ifeq ($(feature-libbfd), 1)
- EXTLIBS += -lbfd -lopcodes
-else
- # we are on a system that requires -liberty and (maybe) -lz
- # to link against -lbfd; test each case individually here
-
- # call all detections now so we get correct
- # status in VF output
- $(call feature_check,libbfd-liberty)
- $(call feature_check,libbfd-liberty-z)
- ifeq ($(feature-libbfd-liberty), 1)
- EXTLIBS += -lbfd -lopcodes -liberty
- FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
+ifndef NO_LIBBFD
+ ifeq ($(feature-libbfd), 1)
+ EXTLIBS += -lbfd -lopcodes
else
- ifeq ($(feature-libbfd-liberty-z), 1)
- EXTLIBS += -lbfd -lopcodes -liberty -lz
- FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
+ # we are on a system that requires -liberty and (maybe) -lz
+ # to link against -lbfd; test each case individually here
+
+ # call all detections now so we get correct
+ # status in VF output
+ $(call feature_check,libbfd-liberty)
+ $(call feature_check,libbfd-liberty-z)
+
+ ifeq ($(feature-libbfd-liberty), 1)
+ EXTLIBS += -lbfd -lopcodes -liberty
+ FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
+ else
+ ifeq ($(feature-libbfd-liberty-z), 1)
+ EXTLIBS += -lbfd -lopcodes -liberty -lz
+ FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
+ endif
endif
+ $(call feature_check,disassembler-four-args)
endif
- $(call feature_check,disassembler-four-args)
-endif
-ifeq ($(feature-libbfd-buildid), 1)
- CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT
-else
- msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available);
+ ifeq ($(feature-libbfd-buildid), 1)
+ CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT
+ else
+ msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available);
+ endif
endif
ifdef NO_DEMANGLE
