>
>
> quote:
> --------
> $ cat .mozconfig
> ac_add_options --prefix=/center/w/cmhoward2/theta/local
> ac_add_options --disable-gio
> ac_add_options --disable-elf-hack
> mk_add_options MOZ_MAKE_FLAGS=-j8
> --------
>
> The build dies. It seems like it is trying to use AVX2 instructions
> or
> something like that. Here is the tail of the failure:
>
> quote:
> --------
> 1:48.81 intel-gcm.s:1321: Error: no such instruction: `vpxor
> TMP4,TMP2,TMP2'
> 1:48.81 intel-gcm.s:1323: Error: no such instruction: `vpslldq
> $8,TMP2,TMP3'
> 1:48.81 intel-gcm.s:1324: Error: no such instruction: `vpsrldq
> $8,TMP2,TMP2'
> 1:48.81 intel-gcm.s:1326: Error: no such instruction: `vpxor
> TMP3,TMP1,TMP1'
> 1:48.81 intel-gcm.s:1327: Error: no such instruction: `vpxor
> TMP2,TMP4,TMP4'
> 1:48.81 intel-gcm.s:1329: Error: no such instruction: `vpclmulqdq
> $0x10,.Lpoly(%rip),TMP1,TMP2'
> 1:48.81 intel-gcm.s:1330: Error: no such instruction: `vpshufd
> $78,TMP1,TMP3'
> 1:48.81 intel-gcm.s:1331: Error: no such instruction: `vpxor
> TMP3,TMP2,TMP1'
> 1:48.81 intel-gcm.s:1333: Error: no such instruction: `vpclmulqdq
> $0x10,.Lpoly(%rip),TMP1,TMP2'
> 1:48.81 intel-gcm.s:1334: Error: no such instruction: `vpshufd
> $78,TMP1,TMP3'
> 1:48.81 intel-gcm.s:1335: Error: no such instruction: `vpxor
> TMP3,TMP2,TMP1'
> 1:48.81 intel-gcm.s:1337: Error: no such instruction: `vpxor
> TMP4,TMP1,T'
> 1:48.81 gmake[8]: ***
>
[/center/w/cmhoward2/theta/build/mozilla-release/obj-x86_64-unknown-linux-gnu/security/nss/lib/freebl/intel-gcm.o]
> Error 1
> 1:48.81 gmake[7]: *** [libs] Error 2
> 1:48.81 gmake[6]: *** [libs] Error 2
> 1:48.81 gmake[5]: *** [libs] Error 2
> 1:48.81 gmake[4]: *** [libs_tier_platform] Error 2
> 1:48.81 gmake[3]: *** [tier_platform] Error 2
> 1:48.81 gmake[2]: *** [default] Error 2
> 1:48.81 gmake[1]: *** [realbuild] Error 2
> 1:48.81 gmake: *** [build] Error 2
> 1:48.86 83 compiler warnings present.
> Finished building. Built files are in obj-x86_64-unknown-linux-gnu
> --------
>
> I'm using gcc 4.7.3 (which I also built locally). Here is processor
> info:
>
> quote:
> --------
> processor : 0
> vendor_id : AuthenticAMD
> cpu family : 16
> model : 4
> model name : Quad-Core AMD Opteron(tm) Processor 2378
> stepping : 2
> cpu MHz : 800.000
> cache size : 512 KB
> physical id : 0
> siblings : 4
> core id : 0
> cpu cores : 4
> apicid : 0
> fpu : yes
> fpu_exception : yes
> cpuid level : 5
> wp : yes
> flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr
> pge
> mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext
> fxsr_opt pdpe1gb rdtscp lm 3dnowext 3dnow rep_good constant_tsc
> nonstop_tsc pni cx16 popcnt lahf_lm cmp_legacy svm extapic
> cr8_legacy
> abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt
> bogomips : 4800.19
> TLB size : 1024 4K pages
> clflush size : 64
> cache_alignment : 64
> address sizes : 48 bits physical, 48 bits virtual
> power management: ts ttp tm stc 100mhzsteps hwpstate [8]
> --------
>
> I tried adding
>
> ac_add_options --with-arch=native
>
> As a shot in the dark, but that didn't seem to help.
This is either a bug in the NSS build system, lack of support in NSS
itself for your hardware/software config, or an issue with your
toolchain (your locally built compiler). I don't know enough about
NSS's
build system to know which one it is.
bsmith: Does this ring any bells?
