From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from out3-smtp.messagingengine.com (out3-smtp.messagingengine.com [66.111.4.27]) by dpdk.org (Postfix) with ESMTP id 745C52B8C for ; Sat, 27 Oct 2018 03:56:05 +0200 (CEST) Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailout.nyi.internal (Postfix) with ESMTP id 1927B21D03; Fri, 26 Oct 2018 21:56:05 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute1.internal (MEProxy); Fri, 26 Oct 2018 21:56:05 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=monjalon.net; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding:content-type; s=mesmtp; bh=DwmHPRHzC0mgf8h0RDFPcjS0Y/pT8dwUKS0vUdyQlps=; b=Bi2wljblTWF3 8Q5RJJzpk4wrAjMu1c5IC1CDlUF53Fl669HKavEfPn4b/yXQmovOql5m3gqYZML7 bsyq8OuMBX1ZRVqHBIKjWL+AlkwL41ii8fDuD1E3AYJ10pVy9P5TzD9Es77XivH9 Us86KNCdHo486WuGuaT/SmKXUqyJH8g= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm1; bh=DwmHPRHzC0mgf8h0RDFPcjS0Y/pT8dwUKS0vUdyQl ps=; b=lsYcuQcJu589n2eH3n3yWUOzrWQL4TBOEF1AT/G69DNIMGea5x8n73FTd TFYFbHJk3CPhWFlxlVQ6vp00vzyNfCBMG2x4tZZVEpexJ6kmTig4Y0Ax4kYztdGM 92qNylOK83cK4MC5blV3Ta7oFH8vOzSzFbk4gf2ek0vo/7DGTtBhyaUIRKtARbIB igkT9XGi8tEcDpFaT9vWjiXlWcPIueYZqwJLo2cxlOgcSItB4KY01aYNiR71evGS XAdKtswCYPWzlXdtP6+06qdQsA4KG91ARB4QEe91WWataBGXviXHTaSUJ3eMFgTO h0v3am+QC5Wiv08nY7z6jzFuXbXQQ== X-ME-Sender: X-ME-Proxy: Received: from xps.localnet (184.203.134.77.rev.sfr.net [77.134.203.184]) by mail.messagingengine.com (Postfix) with ESMTPA id C3B48102A0; Fri, 26 Oct 2018 21:56:02 -0400 (EDT) From: Thomas Monjalon To: Harry van Haaren , Kevin Laatz , Radu Nicolau , david.hunt@intel.com Cc: dev@dpdk.org, bruce.richardson@intel.com, stephen@networkplumber.org, gaetan.rivet@6wind.com, shreyansh.jain@nxp.com, mattias.ronnblom@ericsson.com, Ciara Power , Brian Archbold Date: Sat, 27 Oct 2018 03:56:08 +0200 Message-ID: <3436860.VK1RJtmnne@xps> In-Reply-To: <20181026235933.79779-4-harry.van.haaren@intel.com> References: <20181024160311.85457-1-kevin.laatz@intel.com> <20181026235933.79779-1-harry.van.haaren@intel.com> <20181026235933.79779-4-harry.van.haaren@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Subject: Re: [dpdk-dev] [PATCH v9 03/12] telemetry: initial telemetry infrastructure X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 27 Oct 2018 01:56:05 -0000 27/10/2018 01:59, Harry van Haaren: > --- a/mk/rte.vars.mk > +++ b/mk/rte.vars.mk > +JANSSON := $(shell pkg-config --exists jansson; echo $$?) > +ifneq ($(JANSSON),0) > +$(warning Jansson not found, disabling RTE_LIBRTE_TELEMETRY) > +CONFIG_RTE_LIBRTE_TELEMETRY = n > +endif It fails for cross-compilation. Example: When compiling i686 on x86_64 host, no error with pkg-config --exists jansson but fails when linking: /usr/bin/ld: skipping incompatible /usr/lib/gcc/x86_64-pc-linux-gnu/8.2.1/../../../libjansson.so when searching for -ljansson /usr/bin/ld: skipping incompatible /usr/lib/gcc/x86_64-pc-linux-gnu/8.2.1/../../../libjansson.a when searching for -ljansson /usr/bin/ld: skipping incompatible /usr/lib/libjansson.so when searching for -ljansson /usr/bin/ld: skipping incompatible /usr/lib/libjansson.a when searching for -ljansson /usr/bin/ld: cannot find -ljansson Note: there is the same issue with examples/vm_power_manager/Makefile I start thinking it is not reasonnable to enable an optional dependency in our Makefiles. Perhaps the only solution is to use meson...