Hi Jiri,
2016-12-23 19:59 GMT+09:00 Jiri Olsa <jo...@redhat.com>: > On Fri, Dec 23, 2016 at 01:46:42PM +0900, Masahiro Yamada wrote: >> The top-level Makefile defines: >> >> CPP = $(CC) -E > > hum, so that'd work for running from top level, but I guess > it fails for compiling from other places..? like tools/perf I thought users are supposed to build tools from the top-level, but seems it is not necessarily true according to your statement. I am not quite sure how CC, AS, etc. are set-up, then. Perhaps, relying on Make-builtin variables? $ make --print-data-base | grep CPP showed me the default of CPP is CPP = $(CC) -E I guess you are more familiar to the tools-build area, so I follow your decision. -- Best Regards Masahiro Yamada
