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=-14.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 9FA42C04AB4 for ; Tue, 14 May 2019 22:41:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6F64F2166E for ; Tue, 14 May 2019 22:41:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="oAEG2oDh" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726541AbfENWlI (ORCPT ); Tue, 14 May 2019 18:41:08 -0400 Received: from mail-ed1-f67.google.com ([209.85.208.67]:44287 "EHLO mail-ed1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726261AbfENWlI (ORCPT ); Tue, 14 May 2019 18:41:08 -0400 Received: by mail-ed1-f67.google.com with SMTP id b8so1116840edm.11 for ; Tue, 14 May 2019 15:41:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=De9yut+MJE0vq/sB5hhSe0oQe16qEPDC6fhRh/E/rX4=; b=oAEG2oDhTeQvIT+TIJ1/M+H2j1bu9UZA21/89ZMpxSGh6uhOo3VN9SjEGnV4jR211H /lSWej5qn3euaLZyRYpkGjs4FVm5x9bTWD/7OPQWRXAafIhUVwsBuzWLnTVrEVkrVNcX k73fkOUOfzQfZESG8nNuqVAcHp0HvbsyrDUeBeumtxsRW4IwaTiJxeMLGEGmxeN9iTVH 9zQxghlelWmOdHhGz/Z4MaaquYcfZJ/3rCQMK0NaD0EoS++25v4+5xwXhTHbdCz4H0Ly gAMg5EmZDYJ8ghO4rYrwNfgnOdLiJEfLrcS5jQzaLy97Y9KqBp3njb9GmTq1MEkcGydo eJqQ== 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:mime-version :content-transfer-encoding; bh=De9yut+MJE0vq/sB5hhSe0oQe16qEPDC6fhRh/E/rX4=; b=GvEdDRILlUf9iOThgzCdANHn7zSRiCPACOq7jX1yer86onro+WrnYh+SXIeiz522HX 1o2PbzciIaFtpuUWtWaydM34T3pnDOJ/hJRp5HfxKveFiC0v35+3A2qiG+wBj+gcmtgJ aL61KNVgbPOAnQK1WQUfUxqLQaRUqPZsJKjJ68jBI00YyWWTms2yIp2Y/R0232Fp1OhQ xo+W+tGgGRicPJ1+P7/rTrxKprxMrMbO8JXtT7amr9SoWNqBk3lFXJSi02SkUd/o1waT VkXfi1pNP0nJNvgIJifg14Hg0mE036MhleOqlXagh20El68Gc12oUIRxt4pmVmcozxH2 vMMQ== X-Gm-Message-State: APjAAAXjVsGISuFVUENrg8nGborLPIYF5ppRgU6pGWvj4PQCSwDbI3Gu hte1994anlkASya+BvBUcb4= X-Google-Smtp-Source: APXvYqw9NrNSs7XlZb0QF7UJKD0u3SI3luy813oEkNyxXO28+mH3GwCCdb2p6CpO3PBJlGPDvPGtrw== X-Received: by 2002:a50:95d6:: with SMTP id x22mr38290047eda.89.1557873666417; Tue, 14 May 2019 15:41:06 -0700 (PDT) Received: from localhost.localdomain ([2a01:4f9:2b:2b84::2]) by smtp.gmail.com with ESMTPSA id j13sm97910eda.91.2019.05.14.15.41.04 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 14 May 2019 15:41:05 -0700 (PDT) From: Nathan Chancellor To: Josh Poimboeuf , Peter Zijlstra Cc: Nick Desaulniers , clang-built-linux@googlegroups.com, linux-kernel@vger.kernel.org, Nathan Chancellor Subject: [PATCH] objtool: Allow AR to be overridden with HOSTAR Date: Tue, 14 May 2019 15:40:47 -0700 Message-Id: <20190514224047.28505-1-natechancellor@gmail.com> X-Mailer: git-send-email 2.22.0.rc0 MIME-Version: 1.0 X-Patchwork-Bot: notify Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Currently, this Makefile hardcodes GNU ar, meaning that if it is not available, there is no way to supply a different one and the build will fail. $ make AR=llvm-ar CC=clang LD=ld.lld HOSTAR=llvm-ar HOSTCC=clang \ HOSTLD=ld.lld HOSTLDFLAGS=-fuse-ld=lld defconfig modules_prepare ... AR /out/tools/objtool/libsubcmd.a /bin/sh: 1: ar: not found ... Follow the logic of HOST{CC,LD} and allow the user to specify a different ar tool via HOSTAR (which is used elsewhere in other tools/ Makefiles). Link: https://github.com/ClangBuiltLinux/linux/issues/481 Signed-off-by: Nathan Chancellor --- tools/objtool/Makefile | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/objtool/Makefile b/tools/objtool/Makefile index 53f8be0f4a1f..88158239622b 100644 --- a/tools/objtool/Makefile +++ b/tools/objtool/Makefile @@ -7,11 +7,12 @@ ARCH := x86 endif # always use the host compiler +HOSTAR ?= ar HOSTCC ?= gcc HOSTLD ?= ld +AR = $(HOSTAR) CC = $(HOSTCC) LD = $(HOSTLD) -AR = ar ifeq ($(srctree),) srctree := $(patsubst %/,%,$(dir $(CURDIR))) -- 2.22.0.rc0