From owner-freebsd-current@FreeBSD.ORG Sun Jul 17 10:11:45 2011 Return-Path: Delivered-To: freebsd-current@FreeBSD.org Received: from mx2.freebsd.org (mx2.freebsd.org [IPv6:2001:4f8:fff6::35]) by hub.freebsd.org (Postfix) with ESMTP id E5102106564A for ; Sun, 17 Jul 2011 10:11:44 +0000 (UTC) (envelope-from dougb@FreeBSD.org) Received: from 65-241-43-4.globalsuite.net (hub.freebsd.org [IPv6:2001:4f8:fff6::36]) by mx2.freebsd.org (Postfix) with ESMTP id BBF9314E80A for ; Sun, 17 Jul 2011 10:11:44 +0000 (UTC) Message-ID: <4E22B560.4040401@FreeBSD.org> Date: Sun, 17 Jul 2011 03:11:44 -0700 From: Doug Barton Organization: http://SupersetSolutions.com/ User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:5.0) Gecko/20110706 Thunderbird/5.0 MIME-Version: 1.0 To: FreeBSD Current X-Enigmail-Version: 1.2pre OpenPGP: id=1A1ABC84 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: Subject: sys/boot/i386/boot2 build failure with clang X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 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: Sun, 17 Jul 2011 10:11:45 -0000 Howdy, Trying to build r224125 with clang, and got this (using no -j): ===> boot2 (all) objcopy -S -O binary boot1.out boot1 dd if=/dev/zero of=boot2.ldr bs=512 count=1 1+0 records in 1+0 records out 512 bytes transferred in 0.000040 secs (12782641 bytes/sec) clang -Os -fno-guess-branch-probability -fomit-frame-pointer -fno-unit-at-a-time -mno-align-long-strings -mrtd -mregparm=3 -DUSE_XREAD -DUFS1_AND_UFS2 -DFLAGS=0x80 -DSIOPRT=0x3f8 -DSIOFMT=0x3 -DSIOSPD=9600 -I/home/svn/head/sys/boot/i386/boot2/../../common -I/home/svn/head/sys/boot/i386/boot2/../btx/lib -I. -Wall -Waggregate-return -Wbad-function-cast -Wcast-align -Wmissing-declarations -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wshadow -Wstrict-prototypes -Wwrite-strings -Winline --param max-inline-insns-single=100 -mllvm -stack-alignment=8 -mllvm -inline-threshold=3 -mllvm -enable-load-pre=false -ffreestanding -mpreferred-stack-boundary=2 -mno-mmx -mno-3dnow -mno-sse -mno-sse2 -mno-sse3 -msoft-float -m32 -march=i386 -g -std=gnu99 -S -o boot2.s.tmp /home/svn/head/sys/boot/i386/boot2/boot2.c clang: warning: the clang compiler does not support '-fno-unit-at-a-time' clang: warning: argument unused during compilation: '-fno-guess-branch-probability' clang: warning: argument unused during compilation: '-mno-align-long-strings' clang: warning: argument unused during compilation: '--param max-inline-insns-single=100' clang: warning: argument unused during compilation: '-mpreferred-stack-boundary=2' In file included from /home/svn/head/sys/boot/i386/boot2/boot2.c:172: /home/svn/head/sys/boot/i386/boot2/../../common/ufsread.c:232:17: warning: cast from 'char *' to 'struct ufs1_dinode *' increases required alignment from 1 to 4 [-Wcast-align] memcpy(&dp1, (struct ufs1_dinode *)blkbuf + n, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ /home/svn/head/sys/boot/i386/boot2/../../common/ufsread.c:235:17: warning: cast from 'char *' to 'struct ufs2_dinode *' increases required alignment from 1 to 4 [-Wcast-align] memcpy(&dp2, (struct ufs2_dinode *)blkbuf + n, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ /home/svn/head/sys/boot/i386/boot2/boot2.c:224:1: warning: no previous prototype for function 'main' [-Wmissing-prototypes] main(void) ^ /home/svn/head/sys/boot/i386/boot2/boot2.c:352:4: warning: cast from 'caddr_t' (aka 'char *') to 'Elf32_Word *' (aka 'unsigned int *') increases required alignment from 1 to 4 [-Wcast-align] *(Elf32_Word *)p = es[i].sh_size; ^~~~~~~~~~~~~~~ /home/svn/head/sys/boot/i386/boot2/boot2.c:611:8: warning: cast from 'caddr_t' (aka 'char *') to 'uint32_t *' (aka 'unsigned int *') increases required alignment from 1 to 4 [-Wcast-align] t1 = *(uint32_t *)PTOV(0x46c); ^~~~~~~~~~~~~~~~~~~~~~~ 5 warnings generated. sed -e '/align/d' -e '/nop/d' < boot2.s.tmp > boot2.s rm -f boot2.s.tmp as --32 -o boot2.o boot2.s boot2.s: Assembler messages: boot2.s:4073: Error: unknown pseudo-op: `.cfi_sections' *** Error code 1 -- Nothin' ever doesn't change, but nothin' changes much. -- OK Go Breadth of IT experience, and depth of knowledge in the DNS. Yours for the right price. :) http://SupersetSolutions.com/