linux-kernel - Re: [PATCH 28/28] perf tools: Add udis86 disassembler feature check

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Date:	Wed, 4 Dec 2013 15:53:02 -0300
From:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	linux-kernel@...r.kernel.org,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...e.hu>,
	Namhyung Kim <namhyung@...nel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Steven Rostedt <rostedt@...dmis.org>,
	David Ahern <dsahern@...il.com>
Subject: Re: [PATCH 28/28] perf tools: Add udis86 disassembler feature check

Em Wed, Dec 04, 2013 at 03:50:24PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Tue, Dec 03, 2013 at 02:09:42PM +0100, Jiri Olsa escreveu:
> > Adding udis86 disassembler feature check which support
> > is needed for kvm:kvm_emulate_insn tracepoint.

> > +$(call feature_check,udis86)
> > +ifeq ($(feature-udis86), 1)
> > +  LIBTRACEEVENT_CFLAGS += -DHAVE_UDIS86
> > +  EXTLIBS += -ludis86
> > +else
> > +  msg := $(warning No udis86 support.);
> > +endif
 
> That is really an incomplete message, what package should I install?
> Perhaps we should add this there then:
 
> http://bit.ly/1hyrN52
 
> Wow, that was easy, but yeah, could be made easier 8-) ;-P

Jokes aside, I'm dropping this one for now, as it breaks feature
detection, now everytime I run make I get:

Auto-detecting system features:
...                     backtrace: [ on  ]
...                         dwarf: [ on  ]
...                fortify-source: [ on  ]
...                         glibc: [ on  ]
...                          gtk2: [ on  ]
...                  gtk2-infobar: [ on  ]
...                      libaudit: [ on  ]
...                        libbfd: [ on  ]
...                        libelf: [ on  ]
...             libelf-getphdrnum: [ on  ]
...                   libelf-mmap: [ on  ]
...                       libnuma: [ on  ]
...                       libperl: [ on  ]
...                     libpython: [ on  ]
...             libpython-version: [ on  ]
...                      libslang: [ on  ]
...                     libunwind: [ on  ]
...                       on-exit: [ on  ]
...            stackprotector-all: [ on  ]
...                       timerfd: [ on  ]

config/Makefile:421: No udis86 support.

---

Please try to fix it and resubmit. And yes, I don't have udis86-devel
installed in this test system.

- Arnaldo
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