[PATCH v2 0/4] Support perf -vv

[Jin Yao]

We keep having bug reports that when users build perf on their own,
but they don't install some needed libraries such as libelf,
libbfd/libibery.

The perf can build, but it is missing important functionality. And
users may complain that perf has issue or bug.

This patch-set support 'perf -vv' and 'perf -version --build-options'
which will print the compiled-in status of libraries.

Once users think perf missing some functionality, it should be very
easy for them to check the libraries status.

For example:

    $ ./perf -vv or ./perf -version --build-options
    perf version 4.13.rc5.gcb1183
                     dwarf: [ on  ]
        dwarf_getlocations: [ on  ]
                     glibc: [ on  ]
                      gtk2: [ on  ]
                  libaudit: [ OFF ]
                    libbfd: [ on  ]
                    libelf: [ on  ]
                   libnuma: [ on  ]
    numa_num_possible_cpus: [ on  ]
                   libperl: [ on  ]
                 libpython: [ on  ]
                  libslang: [ on  ]
                 libcrypto: [ on  ]
                 libunwind: [ on  ]
        libdw-dwarf-unwind: [ on  ]
                      zlib: [ on  ]
                      lzma: [ on  ]
                 get_cpuid: [ on  ]
                       bpf: [ on  ]
    [ on  ]: library is compiled-in
    [ OFF ]: library is disabled in make configuration
             OR library is not installed in build environment

Jin Yao (3):
  perf config: Add some new -DHAVE_XXX to CFLAGS
  perf version: Print the compiled-in status of libraries
  perf: Support perf -vv

Jiri Olsa (1):
  tools include: Add config.h header file

 tools/include/tools/config.h | 34 ++++++++++++++++++++++
 tools/perf/Makefile.config   | 16 +++++++++++
 tools/perf/builtin-version.c | 68 ++++++++++++++++++++++++++++++++++++++++++++
 tools/perf/perf.c            | 22 +++++++++++---
 tools/perf/perf.h            |  1 +
 5 files changed, 137 insertions(+), 4 deletions(-)
 create mode 100644 tools/include/tools/config.h

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2.7.4