From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E5167C433FF for ; Tue, 30 Jul 2019 02:59:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BC82A21726 for ; Tue, 30 Jul 2019 02:59:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564455552; bh=lJKrCXn1co81eEgHMUMNPezUjHUOaXLO3Oaqss+yurA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=KUw9mPFw5IAXCSqcVR0ux+JAIwCP1sA3q0I58gj3QVotr7Vx8MI7te8aO7OIF1hDS JNOnUYZa7Oi3rqh/N7WN7N7xpKc8BaeKQ2UqGr/UjOdWZ7VFhbAP2qt1Cl1Y6s9T97 ntoZwb77LNpy4THDt+jtDCH40eBCHUjaZ97js4iM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732159AbfG3C7L (ORCPT ); Mon, 29 Jul 2019 22:59:11 -0400 Received: from mail.kernel.org ([198.145.29.99]:48570 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732147AbfG3C7I (ORCPT ); Mon, 29 Jul 2019 22:59:08 -0400 Received: from quaco.ghostprotocols.net (unknown [179.97.35.50]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 620A6216C8; Tue, 30 Jul 2019 02:59:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564455547; bh=lJKrCXn1co81eEgHMUMNPezUjHUOaXLO3Oaqss+yurA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=zEl9aN+9GQ8DJt446GkX7fY8uvZY+TA06PXYNrpTeaQ++500j8nAJ/oHJ8XttCjwm WkcYDgXOkMQR5tvmpUImAC9M7W9KFk8mFiiQn5JNV2+SDr9ytM2r7Y/TSLF9ptHbE/ Q3ghdvvaX1Jl13PjDpF6NIh/687Y/KjF+XIBez/M= From: Arnaldo Carvalho de Melo To: Ingo Molnar , Thomas Gleixner Cc: Jiri Olsa , Namhyung Kim , Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Arnaldo Carvalho de Melo , Alexander Shishkin , Alexey Budankov , Andi Kleen , Michael Petlan , Peter Zijlstra Subject: [PATCH 051/107] libperf: Add build version support Date: Mon, 29 Jul 2019 23:55:14 -0300 Message-Id: <20190730025610.22603-52-acme@kernel.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190730025610.22603-1-acme@kernel.org> References: <20190730025610.22603-1-acme@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jiri Olsa Add a shared library version, generating the following files: $ ll tools/perf/lib/libperf.so* libperf.so -> libperf.so.0.0.1 libperf.so.0 -> libperf.so.0.0.1 libperf.so.0.0.1 Committer testing: One has to build just libbperf to get this, building perf so far doesn't trigger this, i.e. I tried: $ make O=/tmp/build/perf -C tools/perf And the files above were not created, so one has to do: $ make O=/tmp/build/perf -C tools/perf/lib/ make: Entering directory '/home/acme/git/perf/tools/perf/lib' LINK /tmp/build/perf/libperf.so.0.0.1 make: Leaving directory '/home/acme/git/perf/tools/perf/lib' $ ls -la /tmp/build/perf/*.so.* lrwxrwxrwx. 1 acme acme 16 Jul 22 15:37 /tmp/build/perf/libperf.so.0 -> libperf.so.0.0.1 -rwxrwxr-x. 1 acme acme 16368 Jul 22 15:37 /tmp/build/perf/libperf.so.0.0.1 $ Signed-off-by: Jiri Olsa Tested-by: Arnaldo Carvalho de Melo Cc: Alexander Shishkin Cc: Alexey Budankov Cc: Andi Kleen Cc: Michael Petlan Cc: Namhyung Kim Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/20190721112506.12306-25-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/lib/Makefile | 20 +++++++++++++++++--- tools/perf/lib/libperf.map | 4 ++++ 2 files changed, 21 insertions(+), 3 deletions(-) create mode 100644 tools/perf/lib/libperf.map diff --git a/tools/perf/lib/Makefile b/tools/perf/lib/Makefile index 33046e7c6a2a..cd571ec648ad 100644 --- a/tools/perf/lib/Makefile +++ b/tools/perf/lib/Makefile @@ -1,6 +1,10 @@ # SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) # Most of this file is copied from tools/lib/bpf/Makefile +LIBPERF_VERSION = 0 +LIBPERF_PATCHLEVEL = 0 +LIBPERF_EXTRAVERSION = 1 + MAKEFLAGS += --no-print-directory ifeq ($(srctree),) @@ -47,7 +51,13 @@ all: export srctree OUTPUT CC LD CFLAGS V include $(srctree)/tools/build/Makefile.include -LIBPERF_SO := $(OUTPUT)libperf.so +VERSION_SCRIPT := libperf.map + +PATCHLEVEL = $(LIBPERF_PATCHLEVEL) +EXTRAVERSION = $(LIBPERF_EXTRAVERSION) +VERSION = $(LIBPERF_VERSION).$(LIBPERF_PATCHLEVEL).$(LIBPERF_EXTRAVERSION) + +LIBPERF_SO := $(OUTPUT)libperf.so.$(VERSION) LIBPERF_A := $(OUTPUT)libperf.a LIBPERF_IN := $(OUTPUT)libperf-in.o @@ -58,7 +68,11 @@ $(LIBPERF_A): $(LIBPERF_IN) $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $(LIBPERF_IN) $(LIBPERF_SO): $(LIBPERF_IN) - $(QUIET_LINK)$(CC) --shared -Wl,-soname,libperf.so $^ -o $@ + $(QUIET_LINK)$(CC) --shared -Wl,-soname,libperf.so \ + -Wl,--version-script=$(VERSION_SCRIPT) $^ -o $@ + @ln -sf $(@F) $(OUTPUT)libperf.so + @ln -sf $(@F) $(OUTPUT)libperf.so.$(LIBPERF_VERSION) + libs: $(LIBPERF_A) $(LIBPERF_SO) @@ -67,7 +81,7 @@ all: fixdep clean: $(call QUIET_CLEAN, libperf) $(RM) $(LIBPERF_A) \ - *.o *~ *.a *.so .*.d .*.cmd LIBPERF-CFLAGS + *.o *~ *.a *.so *.so.$(VERSION) *.so.$(LIBPERF_VERSION) .*.d .*.cmd LIBPERF-CFLAGS FORCE: diff --git a/tools/perf/lib/libperf.map b/tools/perf/lib/libperf.map new file mode 100644 index 000000000000..a8e913988edf --- /dev/null +++ b/tools/perf/lib/libperf.map @@ -0,0 +1,4 @@ +LIBPERF_0.0.1 { + local: + *; +}; -- 2.21.0