From patchwork Tue Jul 10 00:46:02 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laura Abbott X-Patchwork-Id: 10515999 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id B3920604D4 for ; Tue, 10 Jul 2018 00:46:40 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A3D9028CDE for ; Tue, 10 Jul 2018 00:46:40 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9648C28CDD; Tue, 10 Jul 2018 00:46:40 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3BDD528CDD for ; Tue, 10 Jul 2018 00:46:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754625AbeGJAqi (ORCPT ); Mon, 9 Jul 2018 20:46:38 -0400 Received: from mail-qt0-f195.google.com ([209.85.216.195]:38568 "EHLO mail-qt0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933421AbeGJAq2 (ORCPT ); Mon, 9 Jul 2018 20:46:28 -0400 Received: by mail-qt0-f195.google.com with SMTP id c5-v6so16988671qth.5 for ; Mon, 09 Jul 2018 17:46:28 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=tWiyJeGvC5zdp0sRApZQtqvGHxQUko6rZedkHxbyDtU=; b=rHodYPe6NwuJD2wQGKe1GrdJLE3KVfuJ5FRL3rRO7dwxrkD3tIarTn/WzixTNPzeZq y/WZvsI7xsnflK/ffiZGn+C1xWwQfqoHTrexoo4uLcz4j605JcOzkVJoFn7VinbWwrFm NlXWdGxAgAwJwSu3PsajMILNEmrH2jfsXLbBo2YwiHG4uGRtVv1iRoZVtzU1SQ5k+qBQ 7YK/Y6xIdtAmcMYvVNBj5iN8Etaz1/rg3k4GnA9yZob8j1Tbi4CvooPoKluxLRumy4/Q o4C5+SUY/Hq4pvH24t+rBxapTsgH+oi58ntxeTRH2/TK5pg5ujkDfj+mLEC1T+PWdef1 PNyw== X-Gm-Message-State: APt69E3du4957Nk+drgU4tE2/+O/38siLMiuhzsNhJ9B8VJYF+omoEna Gt8W0jPhZZKumkvgT6LlFEeGWQ== X-Google-Smtp-Source: AAOMgpdZ5iID0peRzm7lqvJvb02pQkLpCP/bGfHAcqzNb45e2VJiVs5oNubwOBtAjdFwubYV3N8F0A== X-Received: by 2002:ac8:709:: with SMTP id g9-v6mr21415585qth.110.1531183588250; Mon, 09 Jul 2018 17:46:28 -0700 (PDT) Received: from labbott-redhat.redhat.com ([2601:602:9802:a8dc::1941]) by smtp.gmail.com with ESMTPSA id l36-v6sm1816792qtk.12.2018.07.09.17.46.25 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 09 Jul 2018 17:46:27 -0700 (PDT) From: Laura Abbott To: Masahiro Yamada , Josh Poimboeuf , Jiri Olsa Cc: Laura Abbott , linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, Robin Jarry , Jonathan Corbet , linux-doc@vger.kernel.org Subject: [PATCHv2 7/7] Kbuild: Use HOST*FLAGS options from the command line Date: Mon, 9 Jul 2018 17:46:02 -0700 Message-Id: <20180710004602.21599-8-labbott@redhat.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180710004602.21599-1-labbott@redhat.com> References: <20180710004602.21599-1-labbott@redhat.com> Sender: linux-kbuild-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kbuild@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Now that we have the rename in place, reuse the HOST*FLAGS options as something that can be set from the command line and included with the rest of the flags. Signed-off-by: Laura Abbott --- v2: Use the correct name for HOSTLDLIBS, update documentation. --- Documentation/kbuild/kbuild.txt | 16 ++++++++++++++++ Makefile | 9 +++++---- 2 files changed, 21 insertions(+), 4 deletions(-) diff --git a/Documentation/kbuild/kbuild.txt b/Documentation/kbuild/kbuild.txt index 6c9c69ec3986..9847a5974826 100644 --- a/Documentation/kbuild/kbuild.txt +++ b/Documentation/kbuild/kbuild.txt @@ -238,3 +238,19 @@ KBUILD_VMLINUX_LIBS All .a "lib" files for vmlinux. KBUILD_VMLINUX_INIT, KBUILD_VMLINUX_MAIN, and KBUILD_VMLINUX_LIBS together specify all the object files used to link vmlinux. + +HOSTCFLAGS +-------------------------------------------------- +Additional flags to be passed to $(HOSTCC) when building host programs. + +HOSTLDFLAGS +-------------------------------------------------- +Additional flags to be passed to $(HOSTLD) when building host programs. + +HOSTCXXFLAGS +-------------------------------------------------- +Additional flags to be passed to $(HOSTCXX) when building host programs. + +HOSTLDLIBS +-------------------------------------------------- +Additional libraries to link against when building host programs. diff --git a/Makefile b/Makefile index 96e34381d9ee..c2ee1d4c12c9 100644 --- a/Makefile +++ b/Makefile @@ -360,10 +360,11 @@ HOST_LFS_LIBS := $(shell getconf LFS_LIBS) HOSTCC = gcc HOSTCXX = g++ KBUILD_HOSTCFLAGS := -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 \ - -fomit-frame-pointer -std=gnu89 $(HOST_LFS_CFLAGS) -KBUILD_HOSTCXXFLAGS := -O2 $(HOST_LFS_CFLAGS) -KBUILD_HOSTLDFLAGS := $(HOST_LFS_LDFLAGS) -KBUILD_HOSTLDLIBS := $(HOST_LFS_LIBS) + -fomit-frame-pointer -std=gnu89 $(HOST_LFS_CFLAGS) \ + $(HOSTCFLAGS) +KBUILD_HOSTCXXFLAGS := -O2 $(HOST_LFS_CFLAGS) $(HOSTCXXFLAGS) +KBUILD_HOSTLDFLAGS := $(HOST_LFS_LDFLAGS) $(HOSTLDFLAGS) +KBUILD_HOSTLDLIBS := $(HOST_LFS_LIBS) $(HOSTLDLIBS) # Make variables (CC, etc...) AS = $(CROSS_COMPILE)as