From owner-freebsd-current@FreeBSD.ORG Fri Aug 23 12:17:07 2013 Return-Path: Delivered-To: freebsd-current@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id D5EB4EAC; Fri, 23 Aug 2013 12:17:07 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140]) by mx1.freebsd.org (Postfix) with ESMTP id DF80B22E3; Fri, 23 Aug 2013 12:17:06 +0000 (UTC) Received: from porto.starpoint.kiev.ua (porto-e.starpoint.kiev.ua [212.40.38.100]) by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id PAA28123; Fri, 23 Aug 2013 15:17:05 +0300 (EEST) (envelope-from avg@FreeBSD.org) Received: from localhost ([127.0.0.1]) by porto.starpoint.kiev.ua with esmtp (Exim 4.34 (FreeBSD)) id 1VCqIa-000PWl-U7; Fri, 23 Aug 2013 15:17:04 +0300 Message-ID: <52175288.4090500@FreeBSD.org> Date: Fri, 23 Aug 2013 15:16:08 +0300 From: Andriy Gapon User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:17.0) Gecko/20130810 Thunderbird/17.0.8 MIME-Version: 1.0 To: FreeBSD Current , freebsd-toolchain@FreeBSD.org Subject: stable/8 kernel-toolchain fails with clang on head X-Enigmail-Version: 1.5.1 Content-Type: text/plain; charset=X-VIET-VPS Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 23 Aug 2013 12:17:07 -0000 $ /usr/obj/usr/devel/svn/base/stable/8/make.amd64/make kernel-toolchain WITHOUT_CLANG=1 __MAKE_CONF=/dev/null SRCCONF=/dev/null ... cc -O2 -pipe -DIN_GCC -DHAVE_CONFIG_H -DPREFIX=\"/usr/obj/usr/devel/svn/base/stable/8/tmp/usr\" -I/usr/obj/usr/devel/svn/base/stable/8/tmp/usr/devel/svn/base/stable/8/gnu/usr.bin/cc/cc_int/../cc_tools -I/usr/devel/svn/base/stable/8/gnu/usr.bin/cc/cc_int/../cc_tools -I/usr/devel/svn/base/stable/8/gnu/usr.bin/cc/cc_int/../../../../contrib/gcc -I/usr/devel/svn/base/stable/8/gnu/usr.bin/cc/cc_int/../../../../contrib/gcc/config -I/usr/devel/svn/base/stable/8/gnu/usr.bin/cc/cc_int/../../../../contrib/gcclibs/include -I/usr/devel/svn/base/stable/8/gnu/usr.bin/cc/cc_int/../../../../contrib/gcclibs/libcpp/include -I/usr/devel/svn/base/stable/8/gnu/usr.bin/cc/cc_int/../../../../contrib/gcclibs/libdecnumber -I/usr/obj/usr/devel/svn/base/stable/8/tmp/legacy/usr/include -DTARGET_NAME=\"amd64-undermydesk-freebsd\" -c /usr/devel/svn/base/stable/8/gnu/usr.bin/cc/cc_int/../../../../contrib/gcc/toplev.c In file included from /usr/devel/svn/base/stable/8/gnu/usr.bin/cc/cc_int/../../../../contrib/gcc/toplev.c:58: /usr/devel/svn/base/stable/8/gnu/usr.bin/cc/cc_int/../../../../contrib/gcc/output.h:123:6: warning: 'format' attribute argument not supported: __asm_fprintf__ [-Wignored-attributes] ATTRIBUTE_ASM_FPRINTF(2, 3); ^ /usr/devel/svn/base/stable/8/gnu/usr.bin/cc/cc_int/../../../../contrib/gcc/output.h:113:53: note: expanded from macro 'ATTRIBUTE_ASM_FPRINTF' #define ATTRIBUTE_ASM_FPRINTF(m, n) __attribute__ ((__format__ (__asm_fprintf__, m, n))) ATTRIBUTE_NONNULL(m) ^ /usr/devel/svn/base/stable/8/gnu/usr.bin/cc/cc_int/../../../../contrib/gcc/toplev.c:542:1: error: redefinition of a 'extern inline' function 'floor_log2' is not supported in C99 mode floor_log2 (unsigned HOST_WIDE_INT x) ^ /usr/devel/svn/base/stable/8/gnu/usr.bin/cc/cc_int/../../../../contrib/gcc/toplev.h:174:1: note: previous definition is here floor_log2 (unsigned HOST_WIDE_INT x) ^ /usr/devel/svn/base/stable/8/gnu/usr.bin/cc/cc_int/../../../../contrib/gcc/toplev.c:577:1: error: redefinition of a 'extern inline' function 'exact_log2' is not supported in C99 mode exact_log2 (unsigned HOST_WIDE_INT x) ^ /usr/devel/svn/base/stable/8/gnu/usr.bin/cc/cc_int/../../../../contrib/gcc/toplev.h:180:1: note: previous definition is here exact_log2 (unsigned HOST_WIDE_INT x) ^ 1 warning and 2 errors generated. *** Error code 1 Stop in /usr/devel/svn/base/stable/8/gnu/usr.bin/cc/cc_int. It seems that the problem is specific to stable/8 and is caused by missing -std=gnu89. And that seems to be caused by -DNO_WARNS that is used for toolchain target. Dependency between NO_WARNS and CSTD was removed in r198335 + r198365, but those were never MFC-ed. What do you think? -- Andriy Gapon