On Wed, Sep 12, 2018 at 07:53:56AM -0700, Guenter Roeck wrote: > Building x86_64:tools/perf ... failed > -------------- > Error log: > > tools/perf/util/python.c: > In function ‘get_md’: > tools/perf/util/python.c:987:9: error: ‘struct perf_mmap’ has no member named ‘cpu’ > > At top level: > cc1: error: unrecognized command line option ‘-Wno-cast-function-type’ [-Werror] > cc1: all warnings being treated as errors error: command 'gcc' failed with exit status 1 Thanks for letting me know. I've found it and dropped the offending patch. greg k-h