From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mout.web.de ([217.72.192.78]:55590 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755590AbcJTGdY (ORCPT ); Thu, 20 Oct 2016 02:33:24 -0400 Subject: Re: Challenges around the usage of different "HOSTCFLAGS" for kernel build configuration and module generation References: <4f2251fc-94ee-41d3-cc03-a39cee5a084c@users.sourceforge.net> <1238ba8e-a297-6de5-2e6a-50e6e72e77d3@users.sourceforge.net> <4fe8b518-6145-5322-a852-beeb61abd559@users.sourceforge.net> From: SF Markus Elfring Message-ID: <2ff4dbf5-f9e5-9aa1-a93a-2e2bd81b43f7@users.sourceforge.net> Date: Thu, 20 Oct 2016 08:33:00 +0200 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Sender: linux-kbuild-owner@vger.kernel.org List-ID: To: Jim Davis Cc: linux-kbuild@vger.kernel.org, Michal Marek , linux-kernel , kernel-janitors@vger.kernel.org > make defconfig; make EXTRA_CFLAGS="-g" drivers/md/; objdump -S drivers/md/whatever.o Such a command looks promising. * I find it safer when double ampersand will be used as control operator instead of semicolon there. * I get the impression from an other command like "find . -name '?akefile' -exec ack --with-filename EXTRA_CFLAGS '{}' \;" that the suggested parameter "EXTRA_CFLAGS" will not achieve an effect at places where I am interested in at the moment. It seems that further fine-tuning can become interesting and challenging for involved make variables. Regards, Markus