Date: Mon, 05 Nov 2012 17:52:29 +0200 From: Volodymyr Kostyrko <c.kworr@gmail.com> To: Andriy Gapon <avg@FreeBSD.org> Cc: stable@FreeBSD.org, Dimitry Andric <dim@FreeBSD.org> Subject: Re: buildworld fails on recent stable Message-ID: <5097E0BD.50909@gmail.com> In-Reply-To: <5097DE5E.6020405@FreeBSD.org> References: <5097A5E0.2000502@gmail.com> <5097D27E.1050705@FreeBSD.org> <5097DE5E.6020405@FreeBSD.org>
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05.11.2012 17:42, Andriy Gapon wrote: > on 05/11/2012 16:51 Dimitry Andric said the following: >> On 2012-11-05 12:41, Volodymyr Kostyrko wrote: >>> When CLANG_IS_CC build fails at sys/boot/i386/boot2: >>> >>> ld -static -N --gc-sections -nostdlib -m elf_i386_fbsd -Ttext 0x2000 -o >>> boot2.out /usr/obj/usr/src/sys/boot/i386/boot2/../btx/lib/crt0.o boot2.o >>> sio.o >>> objcopy -S -O binary boot2.out boot2.bin >>> btxld -v -E 0x2000 -f bin -b >>> /usr/obj/usr/src/sys/boot/i386/boot2/../btx/btx/btx -l boot2.ldr -o >>> boot2.ld -P 1 boot2.bin >>> kernel: ver=1.02 size=690 load=9000 entry=9010 map=16M pgctl=1:1 >>> client: fmt=bin size=1575 text=0 data=0 bss=0 entry=0 >>> output: fmt=bin size=1e05 text=200 data=1c05 org=0 entry=0 >>> -5 bytes available >> >> This seems to be caused by r242562, which is an MFC of r241301. The >> code changes are quite trivial though. Strangely enough, on head it >> does build successfully, but head is using a newer version of clang, so >> that may explain the difference. Investigating... > > I suspect that some earlier space-saving commit was not MFC-ed to stable/9. > This can be easily checked: # cd /usr/src/sys/boot/i386/boot2/ # make clean # svn up Updated to revision 242616. # setenv PATH /usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin # unsetenv CCACHE_PATH # /usr/local/bin/clang -v clang version 3.2 (trunk) Target: amd64-portbld-freebsd9.1 Thread model: posix # echo CC=/usr/local/bin/clang >> /etc/src.conf # echo CXX=/usr/local/bin/clang++ >> /etc/src.conf # make .... ld -static -N --gc-sections -nostdlib -m elf_i386_fbsd -Ttext 0x2000 -o boot2.out /usr/obj/usr/src/sys/boot/i386/boot2/../btx/lib/crt0.o boot2.o sio.o objcopy -S -O binary boot2.out boot2.bin btxld -v -E 0x2000 -f bin -b /usr/obj/usr/src/sys/boot/i386/boot2/../btx/btx/btx -l boot2.ldr -o boot2.ld -P 1 boot2.bin kernel: ver=1.02 size=690 load=9000 entry=9010 map=16M pgctl=1:1 client: fmt=bin size=154d text=0 data=0 bss=0 entry=0 output: fmt=bin size=1ddd text=200 data=1bdd org=0 entry=0 35 bytes available dd if=boot2.ld of=boot2 obs=7680 conv=osync 14+1 records in 1+0 records out 7680 bytes transferred in 0.000099 secs (77433305 bytes/sec) I bet on clang 3.2. -- Sphinx of black quartz, judge my vow.
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