linux-perf-users.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Ian Rogers <irogers@google.com>
To: Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@redhat.com>,
	Arnaldo Carvalho de Melo <acme@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org>,
	linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-trace-users@vger.kernel.org,
	Tzvetomir Stoyanov <tz.stoyanov@gmail.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	Claire Jensen <cjense@google.com>
Cc: eranian@google.com, Ian Rogers <irogers@google.com>
Subject: [PATCH 3/4] perf: Add define for libtracefs version
Date: Mon, 21 Jun 2021 21:38:10 -0700	[thread overview]
Message-ID: <20210622043811.3108564-3-irogers@google.com> (raw)
In-Reply-To: <20210622043811.3108564-1-irogers@google.com>

This will allow version specific support of libtracefs.

Signed-off-by: Ian Rogers <irogers@google.com>
---
 tools/perf/Makefile.config | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index 6f318c16e8f1..9389ef68e2fb 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -1108,6 +1108,12 @@ ifdef LIBTRACEFS_DYNAMIC
   $(call feature_check,libtracefs)
   ifeq ($(feature-libtracefs), 1)
     EXTLIBS += -ltracefs
+    LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs)
+    LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION)))
+    LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION)))
+    LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION)))
+    LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3))
+    CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP)
   else
     dummy := $(error Error: No libtracefs devel library found, please install libtracefs-dev);
   endif
-- 
2.32.0.288.g62a8d224e6-goog


  parent reply	other threads:[~2021-06-22  4:38 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-22  4:38 [PATCH 1/4] perf: Enable libtracefs dynamic linking Ian Rogers
2021-06-22  4:38 ` [PATCH 2/4] perf: Add define for libtraceevent version Ian Rogers
2021-06-22  4:38 ` Ian Rogers [this message]
2021-06-22  4:38 ` [PATCH 4/4] libtraceevent: Increase libtraceevent logging when verbose Ian Rogers

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20210622043811.3108564-3-irogers@google.com \
    --to=irogers@google.com \
    --cc=acme@kernel.org \
    --cc=alexander.shishkin@linux.intel.com \
    --cc=cjense@google.com \
    --cc=eranian@google.com \
    --cc=jolsa@redhat.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-perf-users@vger.kernel.org \
    --cc=linux-trace-users@vger.kernel.org \
    --cc=mark.rutland@arm.com \
    --cc=mingo@redhat.com \
    --cc=namhyung@kernel.org \
    --cc=peterz@infradead.org \
    --cc=rostedt@goodmis.org \
    --cc=tz.stoyanov@gmail.com \
    --subject='Re: [PATCH 3/4] perf: Add define for libtracefs version' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).