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linux_dsm_epyc7002/tools/build/feature/Makefile
Jiri Olsa 7b65e2034f perf tools: Allow to link with libbpf dynamicaly 
Currently we support only static linking with kernel's libbpf
(tools/lib/bpf). This patch adds libbpf package detection and support to
link perf with it dynamically.

The libbpf package status is displayed with:

  $ make VF=1
  Auto-detecting system features:
  ...
  ...                        libbpf: [ on  ]

It's not checked by default, because it's quite new.  Once it's on most
distros we can switch it on.

For the same reason it's not added to the test-all check.

Perf does not need advanced version of libbpf, so we can check just for
the base bpf_object__open function.

Adding new compile variable to detect libbpf package and link bpf
dynamically:

  $ make LIBBPF_DYNAMIC=1
    ...
    LINK     perf
  $ ldd perf | grep bpf
    libbpf.so.0 => /lib64/libbpf.so.0 (0x00007f46818bc000)

If libbpf is not installed, build stops with:

  Makefile.config:486: *** Error: No libbpf devel library found,\
  please install libbpf-devel.  Stop.

Committer testing:

  $ make LIBBPF_DYNAMIC=1 -C tools/perf O=/tmp/build/perf
  make: Entering directory '/home/acme/git/perf/tools/perf'
    BUILD:   Doing 'make -j8' parallel build
  Makefile.config:493: *** Error: No libbpf devel library found, please install libbpf-devel.  Stop.
  make[1]: *** [Makefile.perf:225: sub-make] Error 2
  make: *** [Makefile:70: all] Error 2
  make: Leaving directory '/home/acme/git/perf/tools/perf'
  $

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Toke Høiland-Jørgensen <toke@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Cc: Andrii Nakryiko <andriin@fb.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Jesper Dangaard Brouer <brouer@redhat.com>
Cc: Martin KaFai Lau <kafai@fb.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Song Liu <songliubraving@fb.com>
Cc: Yonghong Song <yhs@fb.com>
Cc: bpf@vger.kernel.org
Cc: netdev@vger.kernel.org
Link: http://lore.kernel.org/lkml/20191126121253.28253-1-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-11-26 11:17:45 -03:00

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Makefile
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# SPDX-License-Identifier: GPL-2.0
FILES= \
test-all.bin \
test-backtrace.bin \
test-bionic.bin \
test-dwarf.bin \
test-dwarf_getlocations.bin \
test-eventfd.bin \
test-fortify-source.bin \
test-sync-compare-and-swap.bin \
test-get_current_dir_name.bin \
test-glibc.bin \
test-gtk2.bin \
test-gtk2-infobar.bin \
test-hello.bin \
test-libaudit.bin \
test-libbfd.bin \
test-disassembler-four-args.bin \
test-reallocarray.bin \
test-libbfd-liberty.bin \
test-libbfd-liberty-z.bin \
test-cplus-demangle.bin \
test-libcap.bin \
test-libelf.bin \
test-libelf-getphdrnum.bin \
test-libelf-gelf_getnote.bin \
test-libelf-getshdrstrndx.bin \
test-libelf-mmap.bin \
test-libnuma.bin \
test-numa_num_possible_cpus.bin \
test-libperl.bin \
test-libpython.bin \
test-libpython-version.bin \
test-libslang.bin \
test-libslang-include-subdir.bin \
test-libcrypto.bin \
test-libunwind.bin \
test-libunwind-debug-frame.bin \
test-libunwind-x86.bin \
test-libunwind-x86_64.bin \
test-libunwind-arm.bin \
test-libunwind-aarch64.bin \
test-libunwind-debug-frame-arm.bin \
test-libunwind-debug-frame-aarch64.bin \
test-pthread-attr-setaffinity-np.bin \
test-pthread-barrier.bin \
test-stackprotector-all.bin \
test-timerfd.bin \
test-libdw-dwarf-unwind.bin \
test-libbabeltrace.bin \
test-compile-32.bin \
test-compile-x32.bin \
test-zlib.bin \
test-lzma.bin \
test-bpf.bin \
test-libbpf.bin \
test-get_cpuid.bin \
test-sdt.bin \
test-cxx.bin \
test-gettid.bin \
test-jvmti.bin \
test-jvmti-cmlr.bin \
test-sched_getcpu.bin \
test-setns.bin \
test-libopencsd.bin \
test-clang.bin \
test-llvm.bin \
test-llvm-version.bin \
test-libaio.bin \
test-libzstd.bin
FILES := $(addprefix $(OUTPUT),$(FILES))
CC ?= $(CROSS_COMPILE)gcc
CXX ?= $(CROSS_COMPILE)g++
PKG_CONFIG ?= $(CROSS_COMPILE)pkg-config
LLVM_CONFIG ?= llvm-config
all: $(FILES)
__BUILD = $(CC) $(CFLAGS) -MD -Wall -Werror -o $@ $(patsubst %.bin,%.c,$(@F)) $(LDFLAGS)
BUILD = $(__BUILD) > $(@:.bin=.make.output) 2>&1
__BUILDXX = $(CXX) $(CXXFLAGS) -MD -Wall -Werror -o $@ $(patsubst %.bin,%.cpp,$(@F)) $(LDFLAGS)
BUILDXX = $(__BUILDXX) > $(@:.bin=.make.output) 2>&1
###############################
$(OUTPUT)test-all.bin:
$(BUILD) -fstack-protector-all -O2 -D_FORTIFY_SOURCE=2 -ldw -lelf -lnuma -lelf -laudit -I/usr/include/slang -lslang $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) $(FLAGS_PERL_EMBED) $(FLAGS_PYTHON_EMBED) -DPACKAGE='"perf"' -lbfd -ldl -lz -llzma
$(OUTPUT)test-hello.bin:
$(BUILD)
$(OUTPUT)test-pthread-attr-setaffinity-np.bin:
$(BUILD) -D_GNU_SOURCE -lpthread
$(OUTPUT)test-pthread-barrier.bin:
$(BUILD) -lpthread
$(OUTPUT)test-stackprotector-all.bin:
$(BUILD) -fstack-protector-all
$(OUTPUT)test-fortify-source.bin:
$(BUILD) -O2 -D_FORTIFY_SOURCE=2
$(OUTPUT)test-bionic.bin:
$(BUILD)
$(OUTPUT)test-libcap.bin:
$(BUILD) -lcap
$(OUTPUT)test-libelf.bin:
$(BUILD) -lelf
$(OUTPUT)test-eventfd.bin:
$(BUILD)
$(OUTPUT)test-get_current_dir_name.bin:
$(BUILD)
$(OUTPUT)test-glibc.bin:
$(BUILD)
$(OUTPUT)test-sched_getcpu.bin:
$(BUILD)
$(OUTPUT)test-setns.bin:
$(BUILD)
$(OUTPUT)test-libopencsd.bin:
$(BUILD) # -lopencsd_c_api -lopencsd provided by
# $(FEATURE_CHECK_LDFLAGS-libopencsd)
DWARFLIBS := -ldw
ifeq ($(findstring -static,${LDFLAGS}),-static)
DWARFLIBS += -lelf -lebl -lz -llzma -lbz2
endif
$(OUTPUT)test-dwarf.bin:
$(BUILD) $(DWARFLIBS)
$(OUTPUT)test-dwarf_getlocations.bin:
$(BUILD) $(DWARFLIBS)
$(OUTPUT)test-libelf-mmap.bin:
$(BUILD) -lelf
$(OUTPUT)test-libelf-getphdrnum.bin:
$(BUILD) -lelf
$(OUTPUT)test-libelf-gelf_getnote.bin:
$(BUILD) -lelf
$(OUTPUT)test-libelf-getshdrstrndx.bin:
$(BUILD) -lelf
$(OUTPUT)test-libnuma.bin:
$(BUILD) -lnuma
$(OUTPUT)test-numa_num_possible_cpus.bin:
$(BUILD) -lnuma
$(OUTPUT)test-libunwind.bin:
$(BUILD) -lelf
$(OUTPUT)test-libunwind-debug-frame.bin:
$(BUILD) -lelf
$(OUTPUT)test-libunwind-x86.bin:
$(BUILD) -lelf -lunwind-x86
$(OUTPUT)test-libunwind-x86_64.bin:
$(BUILD) -lelf -lunwind-x86_64
$(OUTPUT)test-libunwind-arm.bin:
$(BUILD) -lelf -lunwind-arm
$(OUTPUT)test-libunwind-aarch64.bin:
$(BUILD) -lelf -lunwind-aarch64
$(OUTPUT)test-libunwind-debug-frame-arm.bin:
$(BUILD) -lelf -lunwind-arm
$(OUTPUT)test-libunwind-debug-frame-aarch64.bin:
$(BUILD) -lelf -lunwind-aarch64
$(OUTPUT)test-libaudit.bin:
$(BUILD) -laudit
$(OUTPUT)test-libslang.bin:
$(BUILD) -lslang
$(OUTPUT)test-libslang-include-subdir.bin:
$(BUILD) -lslang
$(OUTPUT)test-libcrypto.bin:
$(BUILD) -lcrypto
$(OUTPUT)test-gtk2.bin:
$(BUILD) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
$(OUTPUT)test-gtk2-infobar.bin:
$(BUILD) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
grep-libs = $(filter -l%,$(1))
strip-libs = $(filter-out -l%,$(1))
PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
$(OUTPUT)test-libperl.bin:
$(BUILD) $(FLAGS_PERL_EMBED)
$(OUTPUT)test-libpython.bin:
$(BUILD) $(FLAGS_PYTHON_EMBED)
$(OUTPUT)test-libpython-version.bin:
$(BUILD)
$(OUTPUT)test-libbfd.bin:
$(BUILD) -DPACKAGE='"perf"' -lbfd -ldl
$(OUTPUT)test-disassembler-four-args.bin:
$(BUILD) -DPACKAGE='"perf"' -lbfd -lopcodes
$(OUTPUT)test-reallocarray.bin:
$(BUILD)
$(OUTPUT)test-libbfd-liberty.bin:
$(CC) $(CFLAGS) -Wall -Werror -o $@ test-libbfd.c -DPACKAGE='"perf"' $(LDFLAGS) -lbfd -ldl -liberty
$(OUTPUT)test-libbfd-liberty-z.bin:
$(CC) $(CFLAGS) -Wall -Werror -o $@ test-libbfd.c -DPACKAGE='"perf"' $(LDFLAGS) -lbfd -ldl -liberty -lz
$(OUTPUT)test-cplus-demangle.bin:
$(BUILD) -liberty
$(OUTPUT)test-backtrace.bin:
$(BUILD)
$(OUTPUT)test-timerfd.bin:
$(BUILD)
$(OUTPUT)test-libdw-dwarf-unwind.bin:
$(BUILD) # -ldw provided by $(FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind)
$(OUTPUT)test-libbabeltrace.bin:
$(BUILD) # -lbabeltrace provided by $(FEATURE_CHECK_LDFLAGS-libbabeltrace)
$(OUTPUT)test-sync-compare-and-swap.bin:
$(BUILD)
$(OUTPUT)test-compile-32.bin:
$(CC) -m32 -o $@ test-compile.c
$(OUTPUT)test-compile-x32.bin:
$(CC) -mx32 -o $@ test-compile.c
$(OUTPUT)test-zlib.bin:
$(BUILD) -lz
$(OUTPUT)test-lzma.bin:
$(BUILD) -llzma
$(OUTPUT)test-get_cpuid.bin:
$(BUILD)
$(OUTPUT)test-bpf.bin:
$(BUILD)
$(OUTPUT)test-libbpf.bin:
$(BUILD) -lbpf
$(OUTPUT)test-sdt.bin:
$(BUILD)
$(OUTPUT)test-cxx.bin:
$(BUILDXX) -std=gnu++11
$(OUTPUT)test-gettid.bin:
$(BUILD)
$(OUTPUT)test-jvmti.bin:
$(BUILD)
$(OUTPUT)test-jvmti-cmlr.bin:
$(BUILD)
$(OUTPUT)test-llvm.bin:
$(BUILDXX) -std=gnu++11 \
-I$(shell $(LLVM_CONFIG) --includedir) \
-L$(shell $(LLVM_CONFIG) --libdir) \
$(shell $(LLVM_CONFIG) --libs Core BPF) \
$(shell $(LLVM_CONFIG) --system-libs) \
> $(@:.bin=.make.output) 2>&1
$(OUTPUT)test-llvm-version.bin:
$(BUILDXX) -std=gnu++11 \
-I$(shell $(LLVM_CONFIG) --includedir) \
> $(@:.bin=.make.output) 2>&1
$(OUTPUT)test-clang.bin:
$(BUILDXX) -std=gnu++11 \
-I$(shell $(LLVM_CONFIG) --includedir) \
-L$(shell $(LLVM_CONFIG) --libdir) \
-Wl,--start-group -lclangBasic -lclangDriver \
-lclangFrontend -lclangEdit -lclangLex \
-lclangAST -Wl,--end-group \
$(shell $(LLVM_CONFIG) --libs Core option) \
$(shell $(LLVM_CONFIG) --system-libs) \
> $(@:.bin=.make.output) 2>&1
-include $(OUTPUT)*.d
$(OUTPUT)test-libaio.bin:
$(BUILD) -lrt
$(OUTPUT)test-libzstd.bin:
$(BUILD) -lzstd
###############################
clean:
rm -f $(FILES) $(OUTPUT)*.d $(FILES:.bin=.make.output)
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