Re: [PATCH v1 5/7] perf util: Make util its own library

[kernel test robot <lkp@intel.com>]

:::::: 
:::::: Manual check reason: "low confidence bisect report"
:::::: 

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TO: Ian Rogers <irogers@google.com>
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TO: Ian Rogers <irogers@google.com>
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TO: Kan Liang <kan.liang@linux.intel.com>
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Hi Ian,

kernel test robot noticed the following build errors:

[auto build test ERROR on perf-tools-next/perf-tools-next]
[also build test ERROR on perf-tools/perf-tools linus/master v6.10-rc3 next-20240613]
[cannot apply to tip/perf/core acme/perf/core]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Ian-Rogers/perf-ui-Make-ui-its-own-library/20240613-023829
base:   https://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools-next.git perf-tools-next
patch link:    https://lore.kernel.org/r/20240612183205.3120248-6-irogers%40google.com
patch subject: [PATCH v1 5/7] perf util: Make util its own library
:::::: branch date: 2 days ago
:::::: commit date: 2 days ago
compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240615/202406150436.AJgQVdTY-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/r/202406150436.AJgQVdTY-lkp@intel.com/

All errors (new ones prefixed by >>):

   Makefile.config:663: No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR
     PERF_VERSION = 6.10.rc1.g945b0a0ee11f
>> ld.lld: error: target emulation unknown: -m or at least one .o file required
   make[7]: *** [tools/build/Makefile.build:164: tools/perf/arch/perf-in.o] Error 1
   make[6]: *** [tools/build/Makefile.build:158: arch] Error 2
   make[6]: *** Waiting for unfinished jobs....
   make[5]: *** [Makefile.perf:742: tools/perf/perf-in.o] Error 2
   make[5]: *** Waiting for unfinished jobs....
   make[4]: *** [Makefile.perf:264: sub-make] Error 2
   make[3]: *** [Makefile:70: all] Error 2

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