From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Mon, 25 Nov 2024 16:17:50 +0100 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 1tFaqT-000Fgk-1q for lore@lore.pengutronix.de; Mon, 25 Nov 2024 16:17:50 +0100 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 1tFaqT-00014M-Hu for lore@pengutronix.de; Mon, 25 Nov 2024 16:17:50 +0100 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=cF7ZPzaHQaZjXcOx11CckDDcOBLpxpBRkO0sOBF0EZg=; b=C+FwBQ6YS+iVipSpb/zi10UVx9 +eRpbLsiver9A2hRyiDyLQO5GOFsRR4Ty2N8sKMWHq4QefzqD0EpeJzVIEukvI+MVfgIBgnYmX6+9 gCXWqC1/vbEqRavipCK0Ddp86hxcpNskxTyfdgVyticFxmPvOxlJeTUYfSssv69ySgdxGZ1nAE2yS v2a4GCECFNdfwOAcgI2+11UMmPo5EsGT2JoEpwAvEkw+CvH/yZLt7RflK5r9Rb+L+UAodbvlp86em dTW4m/N/LkRDWGpYh7sdCHGvwumA+Mji5/nW/1eU7Ol/Ra0dQpzVz2magUn5VKBEF/yjCKZi9Rmyz 2S99uSEA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tFaq4-00000008RJe-2gV4; Mon, 25 Nov 2024 15:17:24 +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 1tFaq2-00000008RHb-323M for barebox@lists.infradead.org; Mon, 25 Nov 2024 15:17:23 +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 1tFaq1-0000kS-ED; Mon, 25 Nov 2024 16:17:21 +0100 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 1tFaq0-0006O6-1X; Mon, 25 Nov 2024 16:17:21 +0100 Received: from localhost ([::1] helo=dude05.red.stw.pengutronix.de) by dude05.red.stw.pengutronix.de with esmtp (Exim 4.96) (envelope-from ) id 1tFalK-001lGb-1g; Mon, 25 Nov 2024 16:12:31 +0100 From: Ahmad Fatoum To: barebox@lists.infradead.org Cc: Ahmad Fatoum Date: Mon, 25 Nov 2024 16:12:24 +0100 Message-Id: <20241125151228.341441-13-a.fatoum@pengutronix.de> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20241125151228.341441-1-a.fatoum@pengutronix.de> References: <20241125151228.341441-1-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-20241125_071722_756465_517CB05C X-CRM114-Status: UNSURE ( 9.04 ) 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 v2 12/16] 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..fd358e1c1103 100644 --- a/include/errno.h +++ b/include/errno.h @@ -7,8 +7,18 @@ extern int errno; +#if IN_PROPER 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 "unknown error"; +} +#endif static inline int errno_set(int err) { -- 2.39.5