Re: [gentoo-hardened] gcc-4.4.6 - says "arch is not supported" "hope you know what you are doing"?

[DeadManMoving]

Did you tried to override ARCH in your chroot :

export ARCH=x86


Useful in an x86 chroot located on a x86_64 platform.



Cheers,

Tony Lapointe


On Tue, 2011-12-13 at 12:39 +0000, Ed W wrote:
> On 13/12/2011 00:29, Matthew Thode (prometheanfire) wrote:
> > On Tue, 13 Dec 2011 00:08:51 +0000
> > Ed W <lists@××××××××××.com> wrote:
> >
> >> So I am building in a chroot an x86 system:
> >>
> >> CFLAGS="-march=k6-2 -Os -pipe -fomit-frame-pointer"
> >> CXXFLAGS="${CFLAGS}"
> >> LDFLAGS="-Wl,-z,relro"
> >> CHOST="i486-gentoo-linux-uclibc"
> >>
> >> And emerge gcc-4.4.6-1 warns:
> >>
> >> * Your x86 arch is not supported.
> >>  * Hope you know what you are doing. Hardened will not work.
> >>
> >> What might I be missing...?  Seems like it was working ok some weeks
> >> back...?
> >>
> >> Thanks
> >>
> >> Ed W
> >>
> > Is this within kvm?  If so, what is the output of 'cat /proc/cpuinfo'?
>
> No.  Although perhaps more background is useful:
>
> uclibc-0.9.33(git)
> host is an amd64 gentoo system
> chroot is an i486/32bit gentoo system, used as a compile base for my
> embedded Alix board
>
> At the end of the install I see:
>  * Messages for package sys-devel/gcc-4.4.6-r1:
>
>  * Your x86 arch is not supported.
>  * Hope you know what you are doing. Hardened will not work.
>  * SSP has not been enabled by default
>  * Your x86 arch is not supported.
>  * Hope you know what you are doing. Hardened will not work.
>  * Skipping libstdc++ manpage generation since you don't have doxygen
> installed
>  * Your x86 arch is not supported.
>  * Hope you know what you are doing. Hardened will not work.
>  * If you have issues with packages unable to locate libstdc++.la,
>  * then try running 'fix_libtool_files.sh' on the old gcc versions.
>
>
> I am thinking it's the uclibc which is the issue?  What else might I
> worry about though...?
>
>
>
> Host looks like this:
>
> # cat /proc/cpuinfo
> processor       : 0
> vendor_id       : GenuineIntel
> cpu family      : 6
> model           : 15
> model name      : Intel(R) Core(TM)2 Quad CPU    Q6600  @ 2.40GHz
> stepping        : 11
> cpu MHz         : 2400.000
> cache size      : 4096 KB
> physical id     : 0
> siblings        : 4
> core id         : 0
> cpu cores       : 4
> apicid          :
> 0
> [0/4702]
> initial apicid  : 0
> fpu             : yes
> fpu_exception   : yes
> cpuid level     : 10
> wp              : yes
> flags           : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca
> cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall
> nx lm constant_tsc arch_perfmon pebs bts rep_good aperfmperf pni dtes64
> monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm lahf_lm dts tpr_shadow
> vnmi flexpriority
> bogomips        : 4799.93
> clflush size    : 64
> cache_alignment : 64
> address sizes   : 36 bits physical, 48 bits virtual
> power management:
>
> processor       : 1
> vendor_id       : GenuineIntel
> cpu family      : 6
> model           : 15
> model name      : Intel(R) Core(TM)2 Quad CPU    Q6600  @ 2.40GHz
> stepping        : 11
> cpu MHz         : 2400.000
> cache size      : 4096 KB
> physical id     : 0
> siblings        : 4
> core id         : 3
> cpu cores       : 4
> apicid          : 3
> initial apicid  : 3
> fpu             : yes
> fpu_exception   : yes
> cpuid level     : 10
> wp              : yes
> flags           : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca
> cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall
> nx lm constant_tsc arch_perfmon pebs bts rep_good aperfmperf pni dtes64
> monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm lahf_lm dts tpr_shadow
> vnmi flexpriority
> bogomips        : 4800.20
> clflush size    : 64
> cache_alignment : 64
> address sizes   : 36 bits physical, 48 bits virtual
> power management:
>
> processor       : 2
> vendor_id       : GenuineIntel
> cpu family      : 6
> model           : 15
> model name      : Intel(R) Core(TM)2 Quad CPU    Q6600  @ 2.40GHz
> stepping        : 11
> cpu MHz         : 2400.000
> cache size      : 4096 KB
> physical id     : 0
> siblings        : 4
> core id         : 1
> cpu cores       : 4
> apicid          : 1
> initial apicid  : 1
> fpu             : yes
> fpu_exception   : yes
> cpuid level     : 10
> wp              : yes
> flags           : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca
> cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall
> nx lm constant_tsc arch_perfmon pebs bts rep_good aperfmperf pni dtes64
> monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm lahf_lm dts tpr_shadow
> vnmi flexpriority
> bogomips        : 4800.16
> clflush size    : 64
> cache_alignment : 64
> address sizes   : 36 bits physical, 48 bits virtual
> power management:
>
> processor       : 3
> vendor_id       : GenuineIntel
> cpu family      : 6
> model           : 15
> model name      : Intel(R) Core(TM)2 Quad CPU    Q6600  @ 2.40GHz
> stepping        : 11
> cpu MHz         : 2400.000
> cache size      : 4096 KB
> physical id     : 0
> siblings        : 4
> core id         : 2
> cpu cores       : 4
> apicid          : 2
> initial apicid  : 2
> fpu             : yes
> fpu_exception   : yes
> cpuid level     : 10
> wp              : yes
> flags           : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca
> cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall
> nx lm constant_tsc arch_perfmon pebs bts rep_good aperfmperf pni dtes64
> monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm lahf_lm dts tpr_shadow
> vnmi flexpriority
> bogomips        : 4800.17
> clflush size    : 64
> cache_alignment : 64
> address sizes   : 36 bits physical, 48 bits virtual
> power management:
>
>
>