From patchwork Thu Nov 30 23:39:02 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sami Tolvanen X-Patchwork-Id: 10085787 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 8492B602BC for ; Thu, 30 Nov 2017 23:40:02 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 748B32A149 for ; Thu, 30 Nov 2017 23:40:02 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 667302A158; Thu, 30 Nov 2017 23:40:02 +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=-6.8 required=2.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, RCVD_IN_DNSWL_HI, T_DKIM_INVALID 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 06C602A149 for ; Thu, 30 Nov 2017 23:40:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751791AbdK3XkA (ORCPT ); Thu, 30 Nov 2017 18:40:00 -0500 Received: from mail-it0-f65.google.com ([209.85.214.65]:38567 "EHLO mail-it0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751982AbdK3XjQ (ORCPT ); Thu, 30 Nov 2017 18:39:16 -0500 Received: by mail-it0-f65.google.com with SMTP id r6so508637itr.3 for ; Thu, 30 Nov 2017 15:39:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=HoGKLYpjsO6oXYncNFfdNYKidAnzCh/Y83uTqBj2Lfs=; b=IyxHvcQDCefTeqpmTWOx4B4RG64QcIESxAZSFqsR6pxlF05zkAXIgBOJ0lCNB7y7IW 7EJOJoT7DOFtLlzu1WIirl5RXB23Ut4ZHe28r9VfnyNBipkXKQ01v22WnGBK27ad6FmU 82DQu17NT+FRYsve0IqNkJXVhopT04WAdacCCe1VYWVCuZM76v3PgZoeOFtAExyZAofn eRplXYh6FP5mQ4wmk+k5GJwulATLBIMAnzM0txQLjo+kIFT0+X7eud+qwPELJhuoCQA3 9Icjxp4OunzxgfScVjVDQmTHmMJ8M3D8UTIXFTTspwowANBecZ98X6Ridas0PnnpVU8Q CDBw== 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=HoGKLYpjsO6oXYncNFfdNYKidAnzCh/Y83uTqBj2Lfs=; b=gBKBqnQvQAi2Db00KAV2c80LC1+LucoIp+FQF3cPSKo5/C2rTZJ267zMSWHjjMVkiU Mmrw6mvj/yy0GNDMg5IToXG4WmC2GjAj5UImUM0ODKJQLUJeT2izoHOSMMXbQGUWoqHy /7f+gzrO0borGXCLA9Ue1aa9AyHH5PpqJmlv6nbx3mw7mTZ5V9OvUUixHXGKN8LEJWu6 AATwTjaVVb9IFLsJWl9Sqlpf6Dm+Uqk/wE/D2fzqnMPj5hpkBdvQI9fyA8ZPTtzmAWPe cOQ1sMvpGSA/DhuPsLFGySFHvS8dBMDNWdwi8Vx9J9vpdRd/sBf82Ft+UiTmBe7E/fSm bf5Q== X-Gm-Message-State: AJaThX7dsI5lwJFyFA5DwIJlfGkRQrDurIz4yXeMZ/B7pkzzfRO88O2K o1FG99qs0+7+0lY8vVKt9/Vy7w== X-Google-Smtp-Source: AGs4zMZfAp2sBcXYDIACGdsRU0AeZ/orgu6FKxOHVv6Z330tzzAjjB5EC66yiOqwC+aj+2PI/zMq+w== X-Received: by 10.36.2.212 with SMTP id 203mr5640602itu.43.1512085155551; Thu, 30 Nov 2017 15:39:15 -0800 (PST) Received: from samitolvanen.mtv.corp.google.com ([100.98.112.14]) by smtp.gmail.com with ESMTPSA id h73sm2896676itb.21.2017.11.30.15.39.14 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 30 Nov 2017 15:39:15 -0800 (PST) From: Sami Tolvanen To: Alex Matveev , Andi Kleen , Ard Biesheuvel , Greg Hackmann , Kees Cook , linux-arm-kernel@lists.infradead.org, linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, Mark Rutland , Masahiro Yamada , Maxim Kuvyrkov , Michal Marek , Nick Desaulniers , Yury Norov , Matthias Kaehlcke , Nicholas Piggin Cc: Sami Tolvanen Subject: [PATCH v2 4/7] kbuild: add __ld-ifversion and linker-specific macros Date: Thu, 30 Nov 2017 15:39:02 -0800 Message-Id: <20171130233905.130602-5-samitolvanen@google.com> X-Mailer: git-send-email 2.15.0.531.g2ccb3012c9-goog In-Reply-To: <20171130233905.130602-1-samitolvanen@google.com> References: <20171129234442.655-1-samitolvanen@google.com> <20171130233905.130602-1-samitolvanen@google.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 Add macros for testing both linker name and version. Signed-off-by: Sami Tolvanen --- scripts/Kbuild.include | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include index 899863e4cd05..2991b463b4ce 100644 --- a/scripts/Kbuild.include +++ b/scripts/Kbuild.include @@ -285,6 +285,18 @@ ld-version = $(call shell-cached,$(LD) --version | $(srctree)/scripts/ld-version # Usage: $(call ld-ifversion, -ge, 22252, y) ld-ifversion = $(shell [ $(ld-version) $(1) $(2) ] && echo $(3) || echo $(4)) +# __ld-ifversion +# Usage: $(call __ld-ifversion, gold, -ge, 112000000, y) +__ld-ifversion = $(shell [ $(ld-name) == $(1) ] && [ $(ld-version) $(2) $(3) ] && echo $(4) || echo $(5)) + +# bfd-ifversion +# Usage: $(call bfd-ifversion, -ge, 227000000, y) +bfd-ifversion = $(call __ld-ifversion, bfd, $(1), $(2), $(3), $(4)) + +# gold-ifversion +# Usage: $(call gold-ifversion, -ge, 112000000, y) +gold-ifversion = $(call __ld-ifversion, gold, $(1), $(2), $(3), $(4)) + ###### ###