From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Wed, 31 May 2023 17:10:31 +0200 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1q4NT6-004Owl-TE for lore@lore.pengutronix.de; Wed, 31 May 2023 17:10:31 +0200 Received: from localhost ([127.0.0.1] helo=metis.ext.pengutronix.de) by metis.ext.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1q4NSv-0003PD-AE; Wed, 31 May 2023 17:10:21 +0200 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1q4NSs-0003Ll-PC; Wed, 31 May 2023 17:10:18 +0200 Received: from [2a0a:edc0:0:1101:1d::54] (helo=dude05.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1q4NSs-00495Q-67; Wed, 31 May 2023 17:10:18 +0200 Received: from afa by dude05.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1q4NSr-005tJk-0L; Wed, 31 May 2023 17:10:17 +0200 From: Ahmad Fatoum To: oss-tools@pengutronix.de Date: Wed, 31 May 2023 17:10:11 +0200 Message-Id: <20230531151015.1404262-1-a.fatoum@pengutronix.de> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [OSS-Tools] [PATCH 1/5] configure: pass -fno-strict-aliasing to GCC X-BeenThere: oss-tools@pengutronix.de X-Mailman-Version: 2.1.29 Precedence: list List-Id: Pengutronix Public Open-Source-Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "OSS-Tools" X-SA-Exim-Connect-IP: 127.0.0.1 X-SA-Exim-Mail-From: oss-tools-bounces@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false Like the Linux kernel, barebox is built with -fno-strict-aliasing, and code is written to take advantage of that. As dt-utils imports code from barebox, we may import code that assumes aliasing to be non-strict, so we better compile it with the same rules. Signed-off-by: Ahmad Fatoum --- configure.ac | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/configure.ac b/configure.ac index 00c80105e467..be8967eb0809 100644 --- a/configure.ac +++ b/configure.ac @@ -37,7 +37,8 @@ my_CFLAGS="-Wall \ -Wmissing-declarations -Wmissing-prototypes \ -Wnested-externs -Wsign-compare -Wchar-subscripts \ -Wstrict-prototypes -Wshadow \ --Wformat-security -Wtype-limits" +-Wformat-security -Wtype-limits \ +-fno-strict-aliasing" AC_SUBST([my_CFLAGS]) PKG_CHECK_MODULES(UDEV, [libudev]) -- 2.39.2