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From:   Arnaldo Carvalho de Melo <arnaldo.melo@gmail.com>
Date:   Fri, 6 Dec 2019 11:27:54 -0300
To:     Jiri Olsa <jolsa@kernel.org>
Cc:     lkml <linux-kernel@vger.kernel.org>,
        Ingo Molnar <mingo@kernel.org>,
        Namhyung Kim <namhyung@kernel.org>,
        Alexander Shishkin <alexander.shishkin@linux.intel.com>,
        Peter Zijlstra <a.p.zijlstra@chello.nl>,
        Michael Petlan <mpetlan@redhat.com>
Subject: Re: [PATCH 1/3] libperf: Move libperf under tools/lib/perf
Message-ID: <20191206142754.GC30698@kernel.org>
References: <20191206135513.31586-1-jolsa@kernel.org>
 <20191206135513.31586-2-jolsa@kernel.org>
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Em Fri, Dec 06, 2019 at 02:55:11PM +0100, Jiri Olsa escreveu:
> Moving libperf from its current location under perf
> to separate directory under tools/lib.

Breaks the build/bisection:

[acme@quaco perf]$ rm -rf /tmp/build/perf ; mkdir -p /tmp/build/perf ; make O=/tmp/build/perf  -C tools/perf install-bin
make: Entering directory '/home/acme/git/perf/tools/perf'
  BUILD:   Doing 'make -j8' parallel build
  HOSTCC   /tmp/build/perf/fixdep.o
  HOSTLD   /tmp/build/perf/fixdep-in.o
  LINK     /tmp/build/perf/fixdep

Auto-detecting system features:
...                         dwarf: [ on  ]
...            dwarf_getlocations: [ on  ]
...                         glibc: [ on  ]
...                          gtk2: [ on  ]
...                      libaudit: [ on  ]
...                        libbfd: [ 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  ]
...        disassembler-four-args: [ on  ]

  GEN      /tmp/build/perf/common-cmds.h
make[3]: *** /home/acme/git/perf/tools/perf/lib/: No such file or directory.  Stop.
make[2]: *** [Makefile.perf:785: /tmp/build/perf/libperf.a] Error 2
make[2]: *** Waiting for unfinished jobs....
  MKDIR    /tmp/build/perf/fd/
  MKDIR    /tmp/build/perf/fs/
  CC       /tmp/build/perf/exec-cmd.o
  CC       /tmp/build/perf/fd/array.o
  CC       /tmp/build/perf/fs/fs.o
  CC       /tmp/build/perf/cpu.o
  CC       /tmp/build/perf/help.o
  LD       /tmp/build/perf/fd/libapi-in.o
  CC       /tmp/build/perf/event-parse.o
  CC       /tmp/build/perf/event-plugin.o
  CC       /tmp/build/perf/pager.o
  CC       /tmp/build/perf/debug.o
  CC       /tmp/build/perf/str_error_r.o
  CC       /tmp/build/perf/trace-seq.o
  MKDIR    /tmp/build/perf/fs/
  CC       /tmp/build/perf/parse-filter.o
  CC       /tmp/build/perf/parse-options.o
  MKDIR    /tmp/build/perf/staticobjs/
  CC       /tmp/build/perf/fs/tracing_path.o
  CC       /tmp/build/perf/run-command.o
  CC       /tmp/build/perf/staticobjs/libbpf.o
  CC       /tmp/build/perf/parse-utils.o
  CC       /tmp/build/perf/kbuffer-parse.o
  MKDIR    /tmp/build/perf/staticobjs/
  CC       /tmp/build/perf/sigchain.o
  LD       /tmp/build/perf/fs/libapi-in.o
  CC       /tmp/build/perf/staticobjs/bpf.o
  CC       /tmp/build/perf/subcmd-config.o
  CC       /tmp/build/perf/staticobjs/nlattr.o
  CC       /tmp/build/perf/tep_strerror.o
  CC       /tmp/build/perf/event-parse-api.o
  CC       /tmp/build/perf/staticobjs/btf.o
  LD       /tmp/build/perf/libapi-in.o
  LD       /tmp/build/perf/libsubcmd-in.o
  CC       /tmp/build/perf/staticobjs/libbpf_errno.o
  CC       /tmp/build/perf/staticobjs/str_error.o
  CC       /tmp/build/perf/staticobjs/netlink.o
  CC       /tmp/build/perf/staticobjs/bpf_prog_linfo.o
  AR       /tmp/build/perf/libapi.a
  LD       /tmp/build/perf/libtraceevent-in.o
  CC       /tmp/build/perf/staticobjs/libbpf_probes.o
  CC       /tmp/build/perf/staticobjs/xsk.o
  AR       /tmp/build/perf/libsubcmd.a
  CC       /tmp/build/perf/staticobjs/btf_dump.o
  CC       /tmp/build/perf/staticobjs/hashmap.o
  LINK     /tmp/build/perf/libtraceevent.a
  LD       /tmp/build/perf/staticobjs/libbpf-in.o
  LINK     /tmp/build/perf/libbpf.a
  PERF_VERSION = 5.4.ge59599b355da
make[1]: *** [Makefile.perf:225: sub-make] Error 2
make: *** [Makefile:110: install-bin] Error 2
make: Leaving directory '/home/acme/git/perf/tools/perf'
[acme@quaco perf]$