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 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 73D4DC4332F for ; Fri, 9 Dec 2022 05:13:11 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1p3VgJ-0003Cf-Io; Fri, 09 Dec 2022 00:12:19 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p3VgH-0003C9-Pe for qemu-devel@nongnu.org; Fri, 09 Dec 2022 00:12:17 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p3VgC-0005R6-Vk for qemu-devel@nongnu.org; Fri, 09 Dec 2022 00:12:17 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1670562731; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type; bh=4mAX+3yAO6JDzLnI8LA/LlpCQtIBkbM1bQQCxHWdpOI=; b=A4WnatFrBkuR9VBsjN8UNJKZ8WnQZRZYZGZodB48IEp6DHyUHOUQ54HcBTn4az0xZHnbJT aT6PBSIX8q+3XhxmkWBhK+EAOkf10Pk8YsvZgYitG/arO3MNjfBm1x6ypSCZz/ECVT8xtC GU7RjPjZ46fnYHhLcNgNIvYMlHAlkzM= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-132-2scPtLKHOSaXc60Vteyzyw-1; Fri, 09 Dec 2022 00:12:07 -0500 X-MC-Unique: 2scPtLKHOSaXc60Vteyzyw-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.rdu2.redhat.com [10.11.54.1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id A00E029AB412; Fri, 9 Dec 2022 05:12:07 +0000 (UTC) Received: from blackfin.pond.sub.org (unknown [10.39.195.144]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 6E54940C2065; Fri, 9 Dec 2022 05:12:07 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 5E63321E6921; Fri, 9 Dec 2022 06:12:04 +0100 (CET) From: Markus Armbruster To: qemu-devel@nongnu.org Cc: Paolo Bonzini , =?utf-8?Q?Marc-Andr=C3=A9?= Lureau , Daniel P. Berrange , Thomas Huth , Philippe =?utf-8?Q?Mathieu-Daud=C3=A9?= Subject: Target-dependent include path, why? Date: Fri, 09 Dec 2022 06:12:04 +0100 Message-ID: <87edt9gnyz.fsf@pond.sub.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Scanned-By: MIMEDefang 3.1 on 10.11.54.1 Received-SPF: pass client-ip=170.10.133.124; envelope-from=armbru@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, DKIM_INVALID=0.1, DKIM_SIGNED=0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org I stumbled over this: ../include/ui/qemu-pixman.h:12:10: fatal error: pixman.h: No such file or directory 12 | #include | ^~~~~~~~~~ Works when included into target-dependent code. Running make -V=1 shows we're passing a number of -I only when compiling target-dependent code, i.e. together with -DNEED_CPU_H: -I/usr/include/pixman-1 -I/usr/include/capstone -I/usr/include/spice-server -I/usr/include/spice-1 -I/usr/include/cacard -I/usr/include/nss3 -I/usr/include/nspr4 -I/usr/include/PCSC -isystem../linux-headers -isystemlinux-headers Why?