From patchwork Fri Jun 10 18:32:30 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ferruh Yigit X-Patchwork-Id: 13458 X-Patchwork-Delegate: thomas@monjalon.net Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id C451D2BD7; Fri, 10 Jun 2016 20:33:52 +0200 (CEST) Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by dpdk.org (Postfix) with ESMTP id E645E2BAD for ; Fri, 10 Jun 2016 20:33:51 +0200 (CEST) Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga101.jf.intel.com with ESMTP; 10 Jun 2016 11:33:51 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.26,451,1459839600"; d="scan'208";a="119738518" Received: from irvmail001.ir.intel.com ([163.33.26.43]) by fmsmga004.fm.intel.com with ESMTP; 10 Jun 2016 11:33:49 -0700 Received: from sivswdev02.ir.intel.com (sivswdev02.ir.intel.com [10.237.217.46]) by irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id u5AIXmVE004601; Fri, 10 Jun 2016 19:33:48 +0100 Received: from sivswdev02.ir.intel.com (localhost [127.0.0.1]) by sivswdev02.ir.intel.com with ESMTP id u5AIXmTj022729; Fri, 10 Jun 2016 19:33:48 +0100 Received: (from fyigit@localhost) by sivswdev02.ir.intel.com with id u5AIXmrJ022725; Fri, 10 Jun 2016 19:33:48 +0100 From: Ferruh Yigit To: dev@dpdk.org Cc: Thomas Monjalon , Panu Matilainen , Christian Ehrhardt , Ferruh Yigit Date: Fri, 10 Jun 2016 19:32:30 +0100 Message-Id: <1465583550-21020-7-git-send-email-ferruh.yigit@intel.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1465583550-21020-1-git-send-email-ferruh.yigit@intel.com> References: <1465564749-1405-1-git-send-email-thomas.monjalon@6wind.com> <1465583550-21020-1-git-send-email-ferruh.yigit@intel.com> Subject: [dpdk-dev] [PATCH v3 6/6] mk: prevent overlinking in applications X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Replace --no-as-needed linker flag with --as-needed flag, which will only link libraries directly called by application. It can be achieved now that the libraries dependencies are handled properly. Signed-off-by: Ferruh Yigit Signed-off-by: Thomas Monjalon --- mk/exec-env/linuxapp/rte.vars.mk | 3 --- mk/rte.app.mk | 8 ++++++++ 2 files changed, 8 insertions(+), 3 deletions(-) diff --git a/mk/exec-env/linuxapp/rte.vars.mk b/mk/exec-env/linuxapp/rte.vars.mk index d51bd17..a8a1ee4 100644 --- a/mk/exec-env/linuxapp/rte.vars.mk +++ b/mk/exec-env/linuxapp/rte.vars.mk @@ -45,9 +45,6 @@ else EXECENV_CFLAGS = -pthread endif -# Workaround lack of DT_NEEDED entry -EXECENV_LDFLAGS = --no-as-needed - EXECENV_LDLIBS = EXECENV_ASFLAGS = diff --git a/mk/rte.app.mk b/mk/rte.app.mk index f60e5bf..aa794bc 100644 --- a/mk/rte.app.mk +++ b/mk/rte.app.mk @@ -50,6 +50,14 @@ ifeq ($(NO_LDSCRIPT),) LDSCRIPT = $(RTE_LDSCRIPT) endif +ifeq ($(CONFIG_RTE_BUILD_SHARED_LIB),y) +# Workaround to eal <-> mempool cyclic dependency +_LDLIBS-$(CONFIG_RTE_LIBRTE_MEMPOOL) += -lrte_mempool +endif + +# Link only the libraries used in the application +_LDLIBS-y += --as-needed + # default path for libs _LDLIBS-y += -L$(RTE_SDK_BIN)/lib