From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Wed, 16 Oct 2024 11:02:43 +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 1t0zvX-004zzj-2W for lore@lore.pengutronix.de; Wed, 16 Oct 2024 11:02:43 +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 1t0zvV-0005oX-VK for lore@pengutronix.de; Wed, 16 Oct 2024 11:02:43 +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=/7Sj6sQpLYomA2gGKCmpN45cJ2PdqLkl6eCI9I7FN3Y=; b=PoNTqR6nm8R7svoarID7llhUqS G4T3TQ1QaKcL2yFvBLyuDzeiz6rcTIl2yl30h2x7Kny0pk/aC/NQUnd3TKL+21Hf9jHg/2tIUmXRn sSFBdoG1hkRo87wN3jIB36lWroVS4GQBtaJUpAJFvc8BZEfJwLulHZMGQoPkZ21KT4tSTzqzuxsMk ou82t/r2p4neTeQBo7ISMosOmxWxB4E8VYpyuVOdvVyCIIoiUH/Qaww/sy9jz5CCJ96c2RcVjpY/D rm6TaJhUKjk9gAQNKKbhrR2VsKABEbpIb7UC84LR7vsy064Ze7XqStI97LlcqZxurBpvZz45YKwvP bbDF9gRw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t0zuv-0000000B9JO-2gpF; Wed, 16 Oct 2024 09:02:05 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1t0zui-0000000B9B2-3fcO for barebox@lists.infradead.org; Wed, 16 Oct 2024 09:01:57 +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 1t0zuh-0005Lw-Hd; Wed, 16 Oct 2024 11:01:51 +0200 Received: from [2a0a:edc0:0:1101:1d::54] (helo=dude05.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1t0zuh-002EMd-3s; Wed, 16 Oct 2024 11:01:51 +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 1t0zuh-00GdhR-05; Wed, 16 Oct 2024 11:01:51 +0200 From: Ahmad Fatoum To: barebox@lists.infradead.org Cc: Ahmad Fatoum Date: Wed, 16 Oct 2024 11:01:46 +0200 Message-Id: <20241016090150.3963002-10-a.fatoum@pengutronix.de> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20241016090150.3963002-1-a.fatoum@pengutronix.de> References: <20241016090150.3963002-1-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-20241016_020153_044909_50573113 X-CRM114-Status: UNSURE ( 8.40 ) 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=-5.1 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 09/13] errno: stub out perror/strerror API when built for PBL 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) To optimize out calls to undefined functions in PBL at compile-time instead of link time, let's define stubs for the functions that are referenced in obj-pbl-y files, but inside function sections that are ultimately unreferenced. Signed-off-by: Ahmad Fatoum --- include/errno.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/include/errno.h b/include/errno.h index 12e526a0d7ed..9a008e375221 100644 --- a/include/errno.h +++ b/include/errno.h @@ -7,8 +7,18 @@ extern int errno; +#ifndef __PBL__ void perror(const char *s); const char *strerror(int errnum); +#else +static inline void perror(const char *s) +{ +} +static inline const char *strerror(int errnum) +{ + return NULL; +} +#endif static inline int errno_set(int err) { -- 2.39.5