Re: compiler problem in Read Hat ES 4

[Francesc <frank-VfcrZIqfQH54piUD7e9S/g@public.gmane.org>]

Uri Lublin wrote:
>
> Hi,
>
> It seems like a gcc32 problem.
> Please try to use your default gcc (3.4.6) to compile qemu instead of 
> gcc32
> Just type in <kvm-dir> "configure --qemu-cc=gcc"
>
> Hope that helps,
>     Uri.
>
>
> -----Original Message-----
> From: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org on behalf of Francesc
> Sent: Tue 16/01/2007 12:02
> To: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
> Subject: [kvm-devel] compiler problem in Read Hat ES 4
>
> Hi,
> we are trying to kmstall kvm on a Read Hat Enterprise 4 with all the
> latest updates, and when we do the "make" we
> get this error
>
> /usr/bin/gcc32 -I /var/tmp/kvm-11/qemu/../user -Wall -O2 -g
> -fno-strict-aliasing -fomit-frame-pointer -I. -I..
> -I/var/tmp/kvm-11/qemu/target-i386 -I/var/tmp/kvm-11/qemu -D_GNU_SOURCE
> -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -I/var/tmp/kvm-11/qemu/fpu -I
> /var/tmp/kvm-11/kernel/include -DHAS_AUDIO -I/var/tmp/kvm-11/qemu/slirp
> -c -o qemu-kvm.o /var/tmp/kvm-11/qemu/qemu-kvm.c
> /var/tmp/kvm-11/qemu/qemu-kvm.c: In function `load_regs':
> /var/tmp/kvm-11/qemu/qemu-kvm.c:223: unable to find a register to spill
> in class `SIREG'
> /var/tmp/kvm-11/qemu/qemu-kvm.c:223: this is the insn:
> (insn 98 95 101 (parallel[
>             (set (reg:SI 2 ecx [78])
>                 (const_int 0 [0x0]))
>             (set (reg/f:SI 1 edx [75])
>                 (plus:SI (ashift:SI (reg:SI 2 ecx [77])
>                         (const_int 2 [0x2]))
>                     (reg/f:SI 1 edx [75])))
>             (set (reg/f:SI 0 eax [76])
>                 (plus:SI (ashift:SI (reg:SI 2 ecx [77])
>                         (const_int 2 [0x2]))
>                     (reg/f:SI 0 eax [76])))
>             (set (mem:BLK (reg/f:SI 1 edx [75]) [0 A128])
>                 (mem:BLK (reg/f:SI 0 eax [76]) [0 A128]))
>             (use (reg:SI 2 ecx [77]))
>             (use (reg:SI 19 dirflag))
>         ] ) 603 {*rep_movsi} (insn_list 90 (insn_list 92 (insn_list 93
> (insn_list 95 (nil)))))
>     (expr_list:REG_DEAD (reg:SI 19 dirflag)
>         (expr_list:REG_DEAD (reg:SI 2 ecx [77])
>             (expr_list:REG_UNUSED (reg:SI 2 ecx [78])
>                 (expr_list:REG_UNUSED (reg/f:SI 1 edx [75])
>                     (expr_list:REG_UNUSED (reg/f:SI 0 eax [76])
>                         (nil)))))))
> /var/tmp/kvm-11/qemu/qemu-kvm.c:223: confused by earlier errors, 
> bailing out
> make[2]: *** [qemu-kvm.o] Error 1
> make[2]: Leaving directory `/var/tmp/kvm-11/qemu/i386-softmmu'
> make[1]: *** [subdir-i386-softmmu] Error 2
> make[1]: Leaving directory `/var/tmp/kvm-11/qemu'
> make: *** [qemu] Error 2
>
>
> The gcc version is 3.4.6; I have read that there were problems with
> older gcc versions. Is this another bug?
> Thanks for your help.
>
> Frank
> UPC - Terrassa -Spain
>
>
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>
Hi Uri,
it has compiled OK with gcc, but it has not produced any module ( .ko)
It seems like does not do anything when the "make"  should do this part:

[root@espai07 kvm-11]# make
make -C kernel
make[1]: Entering directory `/var/tmp/kvm-11/kernel'
make -C /lib/modules/2.6.9-42.0.3.ELsmp/build M=`pwd` "$@"
make[2]: Entering directory `/usr/src/kernels/2.6.9-42.0.3.EL-smp-i686'
  Building modules, stage 2.
  MODPOST
make[2]: Leaving directory `/usr/src/kernels/2.6.9-42.0.3.EL-smp-i686'
make[1]: Leaving directory `/var/tmp/kvm-11/kernel'
make -C user
make[1]: Entering directory `/var/tmp/kvm-11/user'
cc -I /var/tmp/kvm-11/kernel/include -MMD -MF ./.kvmctl.d -g   -c -o 
kvmctl.o kvmctl.c
cc -I /var/tmp/kvm-11/kernel/include -MMD -MF ./.main.d -g   -c -o 
main.o main.c
cc   kvmctl.o main.o   -o kvmctl
ar rcs libkvm.a kvmctl.o
make[1]: Leaving directory `/var/tmp/kvm-11/user'
make -C qemu
........
........

what can be the problem?

Thanks for your help.

Frank

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