control: severity -1 serious
Hello!

>Did you check that this actually fails in the same way? I get
>
>| cc1plus: warning: ‘-Werror=’ argument 
>‘-Werror=implicit-function-declaration’ is not valid for C++
>
>and it builds just fine. Downgrading accordingly.

interesting, let me check again, I did a test on Debomatic amd64 builder, with 
Debian chroot, not sure why and how it failed,and logs are deleted after some 
days...

http://debomatic-amd64.debian.net/distribution#unstable/intel-media-driver-non-free/19.2.1+ds1-1/buildlog
I also tried a local pbuilder and it failed too...
Do you have a chroot with the new gcc-defaults defaulting to gcc-9?
>Instead of hiding the issue, shouldn't somebody on the Ubuntu side
>investigate why that happens?

I don't know, maybe there are restrictions?Did the testsuite ever run on Debian 
builders farm?
this is the Ubuntu cpuinfocat /proc/cpuinfo
processor       : 0
vendor_id       : AuthenticAMD
cpu family      : 23
model           : 1
model name      : AMD EPYC 7351 16-Core Processor
stepping        : 2
microcode       : 0x1000065
cpu MHz         : 2395.494
cache size      : 512 KB
physical id     : 0
siblings        : 1
core id         : 0
cpu cores       : 1
apicid          : 0
initial apicid  : 0
fpu             : yes
fpu_exception   : yes
cpuid level     : 13
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 syscall nx mmxext fxsr_opt pdpe1gb rdtscp 
lm rep_good nopl extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 
sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand 
hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 
3dnowprefetch osvw ssbd ibpb vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 
rdseed adx smap clflushopt xsaveopt xsavec xgetbv1 virt_ssbd arat npt nrip_save
bugs            : fxsave_leak sysret_ss_attrs spectre_v1 spectre_v2 
spec_store_bypass
bogomips        : 4790.98
TLB size        : 1024 4K pages
clflush size    : 64
cache_alignment : 64
address sizes   : 40 bits physical, 48 bits virtual
power management:

processor       : 1
vendor_id       : AuthenticAMD
cpu family      : 23
model           : 1
model name      : AMD EPYC 7351 16-Core Processor
stepping        : 2
microcode       : 0x1000065
cpu MHz         : 2395.494
cache size      : 512 KB
physical id     : 1
siblings        : 1
core id         : 0
cpu cores       : 1
apicid          : 1
initial apicid  : 1
fpu             : yes
fpu_exception   : yes
cpuid level     : 13
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 syscall nx mmxext fxsr_opt pdpe1gb rdtscp 
lm rep_good nopl extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 
sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand 
hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 
3dnowprefetch osvw ssbd ibpb vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 
rdseed adx smap clflushopt xsaveopt xsavec xgetbv1 virt_ssbd arat npt nrip_save
bugs            : fxsave_leak sysret_ss_attrs spectre_v1 spectre_v2 
spec_store_bypass
bogomips        : 4790.98
TLB size        : 1024 4K pages
clflush size    : 64
cache_alignment : 64
address sizes   : 40 bits physical, 48 bits virtual
power management:

processor       : 2
vendor_id       : AuthenticAMD
cpu family      : 23
model           : 1
model name      : AMD EPYC 7351 16-Core Processor
stepping        : 2
microcode       : 0x1000065
cpu MHz         : 2395.494
cache size      : 512 KB
physical id     : 2
siblings        : 1
core id         : 0
cpu cores       : 1
apicid          : 2
initial apicid  : 2
fpu             : yes
fpu_exception   : yes
cpuid level     : 13
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 syscall nx mmxext fxsr_opt pdpe1gb rdtscp 
lm rep_good nopl extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 
sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand 
hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 
3dnowprefetch osvw ssbd ibpb vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 
rdseed adx smap clflushopt xsaveopt xsavec xgetbv1 virt_ssbd arat npt nrip_save
bugs            : fxsave_leak sysret_ss_attrs spectre_v1 spectre_v2 
spec_store_bypass
bogomips        : 4790.98
TLB size        : 1024 4K pages
clflush size    : 64
cache_alignment : 64
address sizes   : 40 bits physical, 48 bits virtual
power management:

processor       : 3
vendor_id       : AuthenticAMD
cpu family      : 23
model           : 1
model name      : AMD EPYC 7351 16-Core Processor
stepping        : 2
microcode       : 0x1000065
cpu MHz         : 2395.494
cache size      : 512 KB
physical id     : 3
siblings        : 1
core id         : 0
cpu cores       : 1
apicid          : 3
initial apicid  : 3
fpu             : yes
fpu_exception   : yes
cpuid level     : 13
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 syscall nx mmxext fxsr_opt pdpe1gb rdtscp 
lm rep_good nopl extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 
sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand 
hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 
3dnowprefetch osvw ssbd ibpb vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 
rdseed adx smap clflushopt xsaveopt xsavec xgetbv1 virt_ssbd arat npt nrip_save
bugs            : fxsave_leak sysret_ss_attrs spectre_v1 spectre_v2 
spec_store_bypass
bogomips        : 4790.98
TLB size        : 1024 4K pages
clflush size    : 64
cache_alignment : 64
address sizes   : 40 bits physical, 48 bits virtual
power management:





Gianfranco
  

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