From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Thu, 14 Aug 2025 15:51:54 +0200 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1umYN0-000WcY-2s for lore@lore.pengutronix.de; Thu, 14 Aug 2025 15:51:54 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1umYMz-0005AE-NC for lore@pengutronix.de; Thu, 14 Aug 2025 15:51:54 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=3GggMHnAkmRW1ezAVmOmLll5T2gKryqpLTtIuLC9dJU=; b=Y/vmzybjm/g4xH8OQH/w9IrAIq rai8excZt+A38X88MTK/o8inHfSzvU6LaGaaivSsSO7XER0x8v0aWPUE1zpeFLYYFGcElvULtZlUy FWVnDj0SErJKK3w91TvZcsMl7JGNAzmDiiS3k12PAQ0Xgf/szfG0Dlo1zMZUnESYIsoQQgZNyfbsF E/gi/vsBk3VWynZNRuJVuzLBDD9Vb+YZ7KNV14rY5w9E3Ma7ZBbk5ugjykEUI4Wi9FrEsAT4M0qsU hN04k4/oKe8uPUNZHm23N2lIwsA8cIdDKt5SOsmUdB6SPMUi+tkxe/t8ZRymcPheuo9ua+8VZ4tmI ZSdVM1bQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1umYMZ-0000000H6jb-1bY2; Thu, 14 Aug 2025 13:51:27 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1umXfm-0000000GvUA-1DlR for barebox@lists.infradead.org; Thu, 14 Aug 2025 13:07:15 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1umXfd-0006HI-21; Thu, 14 Aug 2025 15:07:05 +0200 Received: from dude05.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::54]) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1umXfb-000GGq-0k; Thu, 14 Aug 2025 15:07:03 +0200 Received: from localhost ([::1] helo=dude05.red.stw.pengutronix.de) by dude05.red.stw.pengutronix.de with esmtp (Exim 4.96) (envelope-from ) id 1umXfb-00Gwpv-0S; Thu, 14 Aug 2025 15:07:03 +0200 From: Ahmad Fatoum To: barebox@lists.infradead.org Cc: Ahmad Fatoum Date: Thu, 14 Aug 2025 15:06:48 +0200 Message-Id: <20250814130702.4039241-4-a.fatoum@pengutronix.de> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250814130702.4039241-1-a.fatoum@pengutronix.de> References: <20250814130702.4039241-1-a.fatoum@pengutronix.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250814_060714_327204_50E306EA X-CRM114-Status: UNSURE ( 8.42 ) X-CRM114-Notice: Please train this message. X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-5.2 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH RFC 03/17] kbuild: implement loopable loop_cmd X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) The normal cmd can not be used in foreach, because it's prefixed by @. Add an optional loopable variant as well as a noop_cmd that's suitable for use in nesten $(call ...) invocations that would otherwise lead to Make aborting due to perceived cycles in log_print. Signed-off-by: Ahmad Fatoum --- scripts/Kbuild.include | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include index e905b5466371..a23d27cba315 100644 --- a/scripts/Kbuild.include +++ b/scripts/Kbuild.include @@ -158,6 +158,12 @@ delete-on-interrupt = \ # print and execute commands cmd = @$(if $(cmd_$(1)),set -e; $($(quiet)log_print) $(delete-on-interrupt) $(cmd_$(1)),:) +# The normal 'cmd' above is not *loopable* +loop_cmd = $(if $(cmd_$(1)),set -e; $($(quiet)log_print) $(cmd_$(1)),:) || exit; + +# Like loop_cmd, but without printing +noop_cmd = $(if $(cmd_$(1)),$(cmd_$(1)),:) + ### # if_changed - execute command if any prerequisite is newer than # target, or command line has changed -- 2.39.5