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=-2.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no 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 36753C4CEC9 for ; Sat, 14 Sep 2019 14:37:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0BB9A20854 for ; Sat, 14 Sep 2019 14:37:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="jDOaU3F2" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389483AbfINOha (ORCPT ); Sat, 14 Sep 2019 10:37:30 -0400 Received: from mail-pg1-f173.google.com ([209.85.215.173]:45543 "EHLO mail-pg1-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388491AbfINOha (ORCPT ); Sat, 14 Sep 2019 10:37:30 -0400 Received: by mail-pg1-f173.google.com with SMTP id 4so16812552pgm.12; Sat, 14 Sep 2019 07:37:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=bWEvH2caI7RQtF7M5MexA/Ii8oFWxL+r0RkvPq36gTg=; b=jDOaU3F2C9kd12H1s+Jiix0tstSsbRMnCb8AIMgCwESWoxX1+oAjUs2yH45gsIkPKq Xo6vDfZQv7iCCuBBu26KTpjRLPVWv6U5DdJvuioQpBHfvgt/biXbxp3gS7/hVDkLICRx wu1EEsTq+JERiKQfgJfRjVQ41U9myTqk3nR0YU10BpIKKARDFjLBjBhevb0yOt1SXorH FGEuqYGiGf0fcEkdtFXOwCZO/HtGAbsj6JxFnej4aL3prGE02ICy/bs67n/avgAZQv8Z t5jL7QGKnhkPs+gyZdiA/mYpmQuRHts3Ip82MY11o0tNDKcgzuOKjL7yH3vkOPtUql3g 0Dtw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=bWEvH2caI7RQtF7M5MexA/Ii8oFWxL+r0RkvPq36gTg=; b=sJyrJ56lpsPq4qKPlGWN17rUd9fYmQcTxgf9o6DMdgW8A/0TNL6ytsQpnADFt5LFaq eK8/fmI118bPYal56ljDcqG+iwsD+fYor5TNP01qWlf/Q8uYA3bsKUQhGblbF01gvLm4 nMTqPzA8cjfjuxEftxApxcTNftnWvEZ4+1X7In3747cnYM+0GATnt+GNTl0IWZvmJ27B Vx0UguSxd1O+xwHt+cwY16QtfRr7AZQlEX26gXS7FRCxfSsnWnIhrNAUbFXTmHeYQzRE p6iJW1Gbi2DiDWRn4uleXshwNMQQv9/Oqi8HNfAB/spw9cz6EMsWjZpm8TOUfWHkPEYc qItQ== X-Gm-Message-State: APjAAAWBMn1J6Pw2xHb/4Og59ZnKmGF2brYZN03eVrgwRwT00+edER4u aZZ6fOV6A55pMD04gQQ6vQh9ONz/GjGYvw== X-Google-Smtp-Source: APXvYqwgGj308gaLG5ESHArJZfz+tcX4VSiq3SI2mNFjp1mFLMOwHFrGNgVtWNNKUoXkcxx2CAc42w== X-Received: by 2002:a17:90a:f485:: with SMTP id bx5mr11075732pjb.61.1568471849171; Sat, 14 Sep 2019 07:37:29 -0700 (PDT) Received: from SARKAR ([1.186.12.73]) by smtp.gmail.com with ESMTPSA id t14sm28896205pgb.33.2019.09.14.07.37.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 14 Sep 2019 07:37:28 -0700 (PDT) Date: Sat, 14 Sep 2019 20:07:24 +0530 From: Rohit Sarkar To: Julia Lawall Cc: Jay Aurabind , linux-newbie@vger.kernel.org, kernel-janitors@vger.kernel.org, linux-iio@vger.kernel.org Subject: Re: Problems during compiling in kernel modules Message-ID: <20190914143723.GA7704@SARKAR> References: <20190913173821.GA5986@SARKAR> <20190913180103.GB5986@SARKAR> <20190914142527.GA4158@SARKAR> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190914142527.GA4158@SARKAR> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org On Sat, Sep 14, 2019 at 07:55:27PM +0530, Rohit Sarkar wrote: > On Sat, Sep 14, 2019 at 07:57:48AM +0200, Julia Lawall wrote: > > > > > > On Sat, 14 Sep 2019, Jay Aurabind wrote: > > > > > Hi Rohit, > > > > > > The required config options need to the objects in that folder to be > > > build. Apparently there is no way to automatically set the required > > > configs. You can look at the Kconfig files inside drivers/iio/accel > > > and see what are the dependencies for building various drivers. > > > > It looks like some of the drivers are individual files. So you can also > > just compile them one at a time make staging/drivers.iio/accel/foo.o. > > > > julia > > > > Hey julia, > I ran a `make clean` on that directory by mistake which I realised I > shouldn't have done. Hence no object files are there. > > Giving me this: > > ` > make drivers/staging/iio/adis16240.o staging/git/remove-include > CALL scripts/checksyscalls.sh > CALL scripts/atomic/check-atomics.sh > DESCEND objtool > make[1]: *** No rule to make target 'drivers/staging/iio/adis16240.o'. Stop. > Makefile:1772: recipe for target 'drivers/staging/iio/adis16240.o' failed > make: *** [drivers/staging/iio/adis16240.o] Error 2 > ` > > I guess I will have to enable `CONFIG_IIO` and rebuild? > Although what I don't understand is if `CONFIG_IIO` was not enabled how > were there object files in the first place? > > Thanks, > Rohit For reference: This is the result of `make drivers/staging/iio/` ` CALL scripts/checksyscalls.sh CALL scripts/atomic/check-atomics.sh DESCEND objtool AR drivers/staging/iio/accel/built-in.a AR drivers/staging/iio/adc/built-in.a AR drivers/staging/iio/addac/built-in.a AR drivers/staging/iio/cdc/built-in.a AR drivers/staging/iio/frequency/built-in.a AR drivers/staging/iio/impedance-analyzer/built-in.a AR drivers/staging/iio/meter/built-in.a AR drivers/staging/iio/resolver/built-in.a AR drivers/staging/iio/built-in.a ` Rohit