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Date: Tue, 15 Nov 2022 13:28:33 -0800
From: Ian Rogers <irogers@...gle.com>
To: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...hat.com>,
Mark Rutland <mark.rutland@....com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Jiri Olsa <jolsa@...nel.org>,
Namhyung Kim <namhyung@...nel.org>,
Masahiro Yamada <masahiroy@...nel.org>,
Nicolas Schier <nicolas@...sle.eu>,
linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
bpf@...r.kernel.org, Nick Desaulniers <ndesaulniers@...gle.com>,
Andrii Nakryiko <andrii.nakryiko@...il.com>,
Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH v1 00/14] Fix perf tools/lib includes
On Wed, Nov 9, 2022 at 10:27 AM Arnaldo Carvalho de Melo
<acme@...nel.org> wrote:
>
> Em Wed, Nov 09, 2022 at 08:57:01AM -0800, Ian Rogers escreveu:
> > On Wed, Nov 9, 2022 at 8:52 AM Ian Rogers <irogers@...gle.com> wrote:
> > >
> > > On Wed, Nov 9, 2022 at 7:27 AM Arnaldo Carvalho de Melo <acme@...nel.org> wrote:
> > > >
> > > > Em Mon, Nov 07, 2022 at 11:35:04PM -0800, Ian Rogers escreveu:
> > > > > The previous build would add -Itools/lib and get dependencies for
> > > > > libtraceevent, libsubcmd, libsymbol, libapi and libbpf meaning that
> > > > > overriding these libraries would change the link time dependency but
> > > > > the headers would erroneously come from tools/lib. Fix the build to
> > > > > install headers and then depend on these. To reduce exposing internal
> > > > > headers/APIs some clean up is performed. tools/lib/symbol has a
> > > > > Makefile added, while tools/lib/api and tools/lib/subcmd have install
> > > > > targets added. The pattern used for the dependencies in Makefile.perf
> > > > > is modelled on libbpf.
> > > >
> > > > It builds with O=, I tried it one by one, but there are problems with
> > > > make from a detached tarball, that is how I do the container builds, see
> > > > below, I'm trying to figure this out...
> > >
> > > Sorry, I didn't know to test this. The added Build and Makefile in
> > > libsymbol are missing, so I'd guess that's the major issue.
> > >
> > > Thanks,
> > > Ian
> >
> > The following fixes this for me:
>
> But then there are some other problems related to making sure those
> libraries are built and installed _before_ perf proper starts building
> when it expects to find the headers for those libraries.
>
> So perhaps we need to first run the 'install' target for those libraries
> before build perf proper?
>
> I'm pushing what I have to perf/tools-libs-includes branch.
Attached is the last patch with changes to the dependencies. Moving
the dependencies to prepare addresses the issue. I tested by adding
sleeps to the install_headers targets to make them slow.
Thanks,
Ian
> - Arnaldo
>
> > --- a/tools/perf/MANIFEST
> > +++ b/tools/perf/MANIFEST
> > @@ -13,8 +13,7 @@ tools/lib/ctype.c
> > tools/lib/hweight.c
> > tools/lib/rbtree.c
> > tools/lib/string.c
> > -tools/lib/symbol/kallsyms.c
> > -tools/lib/symbol/kallsyms.h
> > +tools/lib/symbol
> > tools/lib/find_bit.c
> > tools/lib/bitmap.c
> > tools/lib/list_sort.c
> >
> > Thanks,
> > Ian
> >
> > > > ⬢[acme@...lbox perf]$ make perf-tar-src-pkg
> > > > TAR
> > > > PERF_VERSION = 6.1.rc3.g7e5d8b7a1fbd
> > > > ⬢[acme@...lbox perf]$ mv perf-6.1.0-rc3.tar /tmp
> > > > ⬢[acme@...lbox perf]$ cd /tmp
> > > > ⬢[acme@...lbox tmp]$ tar xf perf-6.1.0-rc3.tar
> > > > ⬢[acme@...lbox tmp]$ cd perf-6.1.0-rc3/
> > > > ⬢[acme@...lbox perf-6.1.0-rc3]$ make -C tools/perf
> > > > make: Entering directory '/tmp/perf-6.1.0-rc3/tools/perf'
> > > > BUILD: Doing 'make -j32' parallel build
> > > > HOSTCC fixdep.o
> > > > HOSTLD fixdep-in.o
> > > > LINK fixdep
> > > >
> > > > Auto-detecting system features:
> > > > ... dwarf: [ on ]
> > > > ... dwarf_getlocations: [ on ]
> > > > ... glibc: [ on ]
> > > > ... libbfd: [ on ]
> > > > ... libbfd-buildid: [ on ]
> > > > ... libcap: [ on ]
> > > > ... libelf: [ on ]
> > > > ... libnuma: [ on ]
> > > > ... numa_num_possible_cpus: [ on ]
> > > > ... libperl: [ on ]
> > > > ... libpython: [ on ]
> > > > ... libcrypto: [ on ]
> > > > ... libunwind: [ on ]
> > > > ... libdw-dwarf-unwind: [ on ]
> > > > ... zlib: [ on ]
> > > > ... lzma: [ on ]
> > > > ... get_cpuid: [ on ]
> > > > ... bpf: [ on ]
> > > > ... libaio: [ on ]
> > > > ... libzstd: [ on ]
> > > >
> > > > GEN common-cmds.h
> > > > PERF_VERSION = 6.1.rc3.g7e5d8b7a1fbd
> > > > CC perf-read-vdso32
> > > > GEN perf-archive
> > > > GEN perf-iostat
> > > > CC dlfilters/dlfilter-test-api-v0.o
> > > > CC dlfilters/dlfilter-show-cycles.o
> > > > CC jvmti/libjvmti.o
> > > > make[3]: *** No rule to make target '/tmp/perf-6.1.0-rc3/tools/perf/libsymbol/libsymbol.a'. Stop.
> > > > make[2]: *** [Makefile.perf:907: /tmp/perf-6.1.0-rc3/tools/perf/libsymbol/libsymbol.a] Error 2
> > > > make[2]: *** Waiting for unfinished jobs....
> > > > CC jvmti/jvmti_agent.o
> > > > CC jvmti/libstring.o
> > > > CC jvmti/libctype.o
> > > > GEN pmu-events/pmu-events.c
> > > > INSTALL headers
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libsubcmd/exec-cmd.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libsubcmd/help.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libsubcmd/pager.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libsubcmd/parse-options.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libsubcmd/run-command.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libsubcmd/sigchain.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libsubcmd/subcmd-config.o
> > > > INSTALL headers
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent/event-parse.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent_plugins/plugin_jbd2.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent_plugins/plugin_hrtimer.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent_plugins/plugin_kmem.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent_plugins/plugin_kvm.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent_plugins/plugin_mac80211.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent_plugins/plugin_function.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent_plugins/plugin_sched_switch.o
> > > > INSTALL headers
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libperf/core.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libapi/cpu.o
> > > > MKDIR /tmp/perf-6.1.0-rc3/tools/perf/libapi/fd/
> > > > MKDIR /tmp/perf-6.1.0-rc3/tools/perf/libapi/fs/
> > > > MKDIR /tmp/perf-6.1.0-rc3/tools/perf/libapi/fs/
> > > > MKDIR /tmp/perf-6.1.0-rc3/tools/perf/libapi/fs/
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libapi/fd/array.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libapi/fs/fs.o
> > > > GEN /tmp/perf-6.1.0-rc3/tools/perf/libbpf/bpf_helper_defs.h
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libapi/fs/tracing_path.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libapi/fs/cgroup.o
> > > > INSTALL /tmp/perf-6.1.0-rc3/tools/perf/libbpf/include/bpf/bpf.h
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libapi/debug.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent_plugins/plugin_futex.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent_plugins/plugin_xen.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent_plugins/plugin_scsi.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent_plugins/plugin_cfg80211.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent_plugins/plugin_tlb.o
> > > > LD /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent_plugins/plugin_jbd2-in.o
> > > > LD /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent_plugins/plugin_hrtimer-in.o
> > > > INSTALL /tmp/perf-6.1.0-rc3/tools/perf/libbpf/include/bpf/libbpf.h
> > > > LD /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent_plugins/plugin_kmem-in.o
> > > > INSTALL headers
> > > > INSTALL /tmp/perf-6.1.0-rc3/tools/perf/libbpf/include/bpf/btf.h
> > > > LD /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent_plugins/plugin_mac80211-in.o
> > > > LD /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent_plugins/plugin_sched_switch-in.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libperf/cpumap.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libperf/threadmap.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libapi/str_error_r.o
> > > > INSTALL /tmp/perf-6.1.0-rc3/tools/perf/libbpf/include/bpf/libbpf_common.h
> > > > LINK /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent_plugins/plugin_jbd2.so
> > > > LINK /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent_plugins/plugin_hrtimer.so
> > > > INSTALL /tmp/perf-6.1.0-rc3/tools/perf/libbpf/include/bpf/libbpf_legacy.h
> > > > LD /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent_plugins/plugin_function-in.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libperf/evsel.o
> > > > LD /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent_plugins/plugin_kvm-in.o
> > > > LINK /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent_plugins/plugin_kmem.so
> > > > LINK /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent_plugins/plugin_mac80211.so
> > > > LINK /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent_plugins/plugin_sched_switch.so
> > > > INSTALL /tmp/perf-6.1.0-rc3/tools/perf/libbpf/include/bpf/bpf_helpers.h
> > > > INSTALL /tmp/perf-6.1.0-rc3/tools/perf/libbpf/include/bpf/bpf_tracing.h
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent/event-plugin.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libperf/evlist.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libperf/mmap.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent/trace-seq.o
> > > > INSTALL /tmp/perf-6.1.0-rc3/tools/perf/libbpf/include/bpf/bpf_endian.h
> > > > INSTALL /tmp/perf-6.1.0-rc3/tools/perf/libbpf/include/bpf/bpf_core_read.h
> > > > if [ ! -d ''/tmp/perf-6.1.0-rc3/tools/perf/libapi'/include/api/fs' ]; then install -d -m 755 ''/tmp/perf-6.1.0-rc3/tools/perf/libapi'/include/api/fs'; fi; install fs/tracing_path.h -m 644 ''/tmp/perf-6.1.0-rc3/tools/perf/libapi'/include/api/fs';
> > > > LD /tmp/perf-6.1.0-rc3/tools/perf/libapi/fd/libapi-in.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libperf/zalloc.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent/parse-filter.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent/parse-utils.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent/kbuffer-parse.o
> > > > LD /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent_plugins/plugin_xen-in.o
> > > > INSTALL /tmp/perf-6.1.0-rc3/tools/perf/libbpf/include/bpf/skel_internal.h
> > > > INSTALL /tmp/perf-6.1.0-rc3/tools/perf/libbpf/include/bpf/libbpf_version.h
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent/tep_strerror.o
> > > > INSTALL /tmp/perf-6.1.0-rc3/tools/perf/libbpf/include/bpf/usdt.bpf.h
> > > > INSTALL /tmp/perf-6.1.0-rc3/tools/perf/libbpf/include/bpf/bpf_helper_defs.h
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent/event-parse-api.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libperf/xyarray.o
> > > > LINK /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent_plugins/plugin_function.so
> > > > LINK /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent_plugins/plugin_xen.so
> > > > LD /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent_plugins/plugin_futex-in.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libperf/lib.o
> > > > LD /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent_plugins/plugin_scsi-in.o
> > > > LD /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent_plugins/plugin_cfg80211-in.o
> > > > MKDIR /tmp/perf-6.1.0-rc3/tools/perf/libbpf/staticobjs/
> > > > MKDIR /tmp/perf-6.1.0-rc3/tools/perf/libbpf/staticobjs/
> > > > MKDIR /tmp/perf-6.1.0-rc3/tools/perf/libbpf/staticobjs/
> > > > MKDIR /tmp/perf-6.1.0-rc3/tools/perf/libbpf/staticobjs/
> > > > LINK /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent_plugins/plugin_kvm.so
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libbpf/staticobjs/libbpf.o
> > > > LINK /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent_plugins/plugin_futex.so
> > > > LINK /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent_plugins/plugin_scsi.so
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libbpf/staticobjs/bpf.o
> > > > LD /tmp/perf-6.1.0-rc3/tools/perf/libapi/fs/libapi-in.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libbpf/staticobjs/nlattr.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libbpf/staticobjs/btf.o
> > > > MKDIR /tmp/perf-6.1.0-rc3/tools/perf/libbpf/staticobjs/
> > > > LD /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent_plugins/plugin_tlb-in.o
> > > > LINK /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent_plugins/plugin_cfg80211.so
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libbpf/staticobjs/str_error.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libbpf/staticobjs/netlink.o
> > > > LD /tmp/perf-6.1.0-rc3/tools/perf/libapi/libapi-in.o
> > > > LD jvmti/jvmti-in.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libbpf/staticobjs/libbpf_errno.o
> > > > LINK /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent_plugins/plugin_tlb.so
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libbpf/staticobjs/bpf_prog_linfo.o
> > > > AR /tmp/perf-6.1.0-rc3/tools/perf/libapi/libapi.a
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libbpf/staticobjs/libbpf_probes.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libbpf/staticobjs/hashmap.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libbpf/staticobjs/btf_dump.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libbpf/staticobjs/ringbuf.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libbpf/staticobjs/strset.o
> > > > GEN /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent_plugins/libtraceevent-dynamic-list
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libbpf/staticobjs/linker.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libbpf/staticobjs/gen_loader.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libbpf/staticobjs/relo_core.o
> > > > CC /tmp/perf-6.1.0-rc3/tools/perf/libbpf/staticobjs/usdt.o
> > > > LD /tmp/perf-6.1.0-rc3/tools/perf/libsubcmd/libsubcmd-in.o
> > > > AR /tmp/perf-6.1.0-rc3/tools/perf/libsubcmd/libsubcmd.a
> > > > LD /tmp/perf-6.1.0-rc3/tools/perf/libperf/libperf-in.o
> > > > LD /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent/libtraceevent-in.o
> > > > AR /tmp/perf-6.1.0-rc3/tools/perf/libperf/libperf.a
> > > > LINK /tmp/perf-6.1.0-rc3/tools/perf/libtraceevent/libtraceevent.a
> > > > CC pmu-events/pmu-events.o
> > > > LD pmu-events/pmu-events-in.o
> > > > LD /tmp/perf-6.1.0-rc3/tools/perf/libbpf/staticobjs/libbpf-in.o
> > > > LINK /tmp/perf-6.1.0-rc3/tools/perf/libbpf/libbpf.a
> > > > make[1]: *** [Makefile.perf:240: sub-make] Error 2
> > > > make: *** [Makefile:70: all] Error 2
> > > > make: Leaving directory '/tmp/perf-6.1.0-rc3/tools/perf'
> > > > ⬢[acme@...lbox perf-6.1.0-rc3]$
> > > >
> > > >
> > > >
> > > > > The problem and solution were motivated by this issue and discussion:
> > > > > https://lore.kernel.org/lkml/CAEf4BzbbOHQZUAe6iWaehKCPQAf3VC=hq657buqe2_yRKxaK-A@mail.gmail.com/
> > > > >
> > > > > Ian Rogers (14):
> > > > > tools lib api: Add install target
> > > > > tools lib subcmd: Add install target
> > > > > perf build: Install libsubcmd locally when building
> > > > > perf build: Install libapi locally when building
> > > > > perf build: Install libperf locally when building
> > > > > perf build: Install libtraceevent locally when building
> > > > > tools lib api: Add missing install headers
> > > > > tools lib perf: Add missing install headers
> > > > > tool lib symbol: Add Makefile/Build
> > > > > perf build: Install libsymbol locally when building
> > > > > perf expr: Tidy hashmap dependency
> > > > > perf thread_map: Reduce exposure of libperf internal API
> > > > > perf cpumap: Tidy libperf includes
> > > > > perf build: Use tools/lib headers from install path
> > > > >
> > > > > tools/lib/api/Makefile | 52 ++++++
> > > > > tools/lib/perf/Makefile | 10 +-
> > > > > tools/lib/subcmd/Makefile | 49 ++++++
> > > > > tools/lib/symbol/Build | 1 +
> > > > > tools/lib/symbol/Makefile | 115 +++++++++++++
> > > > > tools/perf/.gitignore | 7 +-
> > > > > tools/perf/Makefile.config | 2 -
> > > > > tools/perf/Makefile.perf | 152 ++++++++++++------
> > > > > tools/perf/builtin-stat.c | 1 +
> > > > > tools/perf/builtin-trace.c | 4 +-
> > > > > tools/perf/tests/cpumap.c | 2 +-
> > > > > tools/perf/tests/expr.c | 1 +
> > > > > tools/perf/tests/openat-syscall.c | 1 +
> > > > > tools/perf/tests/pmu-events.c | 1 +
> > > > > tools/perf/tests/thread-map.c | 1 +
> > > > > tools/perf/util/Build | 5 -
> > > > > tools/perf/util/auxtrace.h | 2 +-
> > > > > tools/perf/util/bpf-loader.c | 4 -
> > > > > tools/perf/util/bpf_counter.c | 2 +-
> > > > > tools/perf/util/cpumap.c | 1 +
> > > > > tools/perf/util/cpumap.h | 2 +-
> > > > > tools/perf/util/evsel.c | 5 +-
> > > > > tools/perf/util/evsel.h | 2 -
> > > > > tools/perf/util/expr.c | 1 +
> > > > > tools/perf/util/expr.h | 7 +-
> > > > > tools/perf/util/metricgroup.c | 1 +
> > > > > tools/perf/util/python.c | 6 +-
> > > > > .../scripting-engines/trace-event-python.c | 2 +-
> > > > > tools/perf/util/stat-shadow.c | 1 +
> > > > > tools/perf/util/stat.c | 4 -
> > > > > tools/perf/util/thread_map.c | 1 +
> > > > > tools/perf/util/thread_map.h | 2 -
> > > > > 32 files changed, 361 insertions(+), 86 deletions(-)
> > > > > create mode 100644 tools/lib/symbol/Build
> > > > > create mode 100644 tools/lib/symbol/Makefile
> > > > >
> > > > > --
> > > > > 2.38.1.431.g37b22c650d-goog
> > > >
> > > > --
> > > >
> > > > - Arnaldo
>
> --
>
> - Arnaldo
View attachment "0001-perf-build-Use-tools-lib-headers-from-install-path.patch" of type "text/x-patch" (4432 bytes)
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