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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,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 5CA71C47255 for ; Mon, 11 May 2020 03:50:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 34D7120720 for ; Mon, 11 May 2020 03:50:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589169032; bh=8hUvG3Fi0UVFsF5qX28A8k9eYFFptGhIYkDv82e5ZDA=; h=From:To:Cc:Subject:Date:List-ID:From; b=PUEET/l6hPuYi4w8rL5a0mKg/kreNF0D/CeXfwa44dKHec1w3jsttIcy4w/ag+lJI lGdG83uqNfsEoDBQdHZ7gQRweSvq/1xDKqkkeuq69GVkhrrJ5dudGmMpTP5oW+x5m7 NQR8OQzPx4+iGtG5sTITYE29FRLlzNHa7He5N2vo= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728344AbgEKDub (ORCPT ); Sun, 10 May 2020 23:50:31 -0400 Received: from conuserg-09.nifty.com ([210.131.2.76]:43402 "EHLO conuserg-09.nifty.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728058AbgEKDub (ORCPT ); Sun, 10 May 2020 23:50:31 -0400 Received: from oscar.flets-west.jp (softbank126090202047.bbtec.net [126.90.202.47]) (authenticated) by conuserg-09.nifty.com with ESMTP id 04B3oFtr022396; Mon, 11 May 2020 12:50:16 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conuserg-09.nifty.com 04B3oFtr022396 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1589169016; bh=ynltv6m6rrglNcqnS2A++z6WnYqXoMB6E93POpjic5s=; h=From:To:Cc:Subject:Date:From; b=KGezrf8qzm08ZMBV96NesQomBm/dI8jB2tJ/KaEdUhYxKpf6wsx+LsQPWBLyTvlHu 5C0qq95D3HZEu1GaPJ0Vj5czUnUkdXVIOlD8SpNoN1i2Jube2yDTz9Do8ZmDuAkqdc wU4d7ZZdNuBnC/z1+vtJpF4erAFIcfl9gAGh/1gNtAX02POU7l7pLmL1D4gU+ODiSc pTSem9yXxeGCeG16AaNaPRs8n2vYpCO8o2Qb9EwuU1Zue4AT8t7YANDH2GKMU/LxyC oLYwb06o1xPnrAd9wgwUWx6ycQs7nQPwvezlieRmHh7YB31LhaxmC9gdkQducbIzDC 50GnOEI1teKFA== X-Nifty-SrcIP: [126.90.202.47] From: Masahiro Yamada To: linux-kbuild@vger.kernel.org Cc: Masahiro Yamada , Michal Marek , linux-kernel@vger.kernel.org Subject: [PATCH 1/2] kbuild: add this-makefile as a shorthand for $(lastword $(MAKEFILE_LIST)) Date: Mon, 11 May 2020 12:50:12 +0900 Message-Id: <20200511035013.1629672-1-masahiroy@kernel.org> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Make it clearer, and self-documenting. Signed-off-by: Masahiro Yamada --- Makefile | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/Makefile b/Makefile index 119a08c90abb..1a4977ad7cd9 100644 --- a/Makefile +++ b/Makefile @@ -157,12 +157,14 @@ MAKEFLAGS += --include-dir=$(abs_srctree) need-sub-make := 1 endif +this-makefile := $(lastword $(MAKEFILE_LIST)) + ifneq ($(filter 3.%,$(MAKE_VERSION)),) # 'MAKEFLAGS += -rR' does not immediately become effective for GNU Make 3.x # We need to invoke sub-make to avoid implicit rules in the top Makefile. need-sub-make := 1 # Cancel implicit rules for this Makefile. -$(lastword $(MAKEFILE_LIST)): ; +$(this-makefile): ; endif export abs_srctree abs_objtree @@ -172,7 +174,7 @@ ifeq ($(need-sub-make),1) PHONY += $(MAKECMDGOALS) sub-make -$(filter-out _all sub-make $(lastword $(MAKEFILE_LIST)), $(MAKECMDGOALS)) _all: sub-make +$(filter-out _all sub-make $(this-makefile), $(MAKECMDGOALS)) _all: sub-make @: # Invoke a second make in the output directory, passing relevant variables -- 2.25.1