Re: [PATCH 04/12] perf tools: Convert to LIBUNWIND_SUPPORT

2012-10-01 Thread Jiri Olsa
On Fri, Sep 28, 2012 at 06:32:00PM +0900, Namhyung Kim wrote: > From: Namhyung Kim > > For building perf without libunwind, we can set NO_LIBUNWIND=1 as a > argument of make. It then defines NO_LIBUNWIND_SUPPORT macro for C > code to do the proper handling. However it usually used in a negative

[PATCH 04/12] perf tools: Convert to LIBUNWIND_SUPPORT

2012-09-28 Thread Namhyung Kim
From: Namhyung Kim For building perf without libunwind, we can set NO_LIBUNWIND=1 as a argument of make. It then defines NO_LIBUNWIND_SUPPORT macro for C code to do the proper handling. However it usually used in a negative semantics - e.g. #ifndef - so we saw double negations which can be misl