Hi,
Here's a report of a successful build and install of GCC:
$ gcc-7.2.0/config.guess
x86_64-pc-linux-gnu
$ newcompiler/bin/gcc -v
Using built-in specs.
COLLECT_GCC=newcompiler/bin/gcc
COLLECT_LTO_WRAPPER=/home/aaro/gcctest/newcompiler/libexec/gcc/x86_64-unknown-linux-gnu/7.2.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: ../gcc-7.2.0/configure --with-arch=nocona --disable-multilib
--disable-nls --prefix=/home/aaro/gcctest/newcompiler
--enable-languages=c,c++,go --host=x86_64-unknown-linux-gnu
--build=x86_64-unknown-linux-gnu --target=x86_64-unknown-linux-gnu
--with-system-zlib --with-sysroot=/
Thread model: posix
gcc version 7.2.0 (GCC)
-- Build environment ----------------------------------------------------------
host: amd-fx-6350
distro: los.git rootfs=f834d native=f834d
kernel: Linux 4.12.0-pc-los_f834d
binutils: GNU binutils 2.29
make: GNU Make 4.2.1
libc: GNU C Library (GNU libc) stable release version 2.25
zlib: 1.2.11
mpfr: 3.1.3
gmp: 60102
-- Time consumed --------------------------------------------------------------
configure: real 0m 4.71s
user 0m 2.90s
sys 0m 0.36s
bootstrap: real 43m 8.22s
user 3h 23m 12s
sys 4m 5.79s
install: real 0m 5.54s
user 0m 9.03s
sys 0m 2.61s
-- Hardware details -----------------------------------------------------------
MemTotal: 16154112 kB
processor : 0
vendor_id : AuthenticAMD
cpu family : 21
model : 2
model name : AMD FX(tm)-6350 Six-Core Processor
stepping : 0
microcode : 0x600081c
cpu MHz : 1400.000
cache size : 2048 KB
physical id : 0
siblings : 6
core id : 0
cpu cores : 3
apicid : 16
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 ht syscall nx mmxext fxsr_opt pdpe1gb
rdtscp lm constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid aperfmperf
pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 popcnt aes xsave avx f16c
lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch
osvw ibs xop skinit wdt lwp fma4 tce nodeid_msr tbm topoext perfctr_core
perfctr_nb cpb hw_pstate vmmcall bmi1 arat npt lbrv svm_lock nrip_save
tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold
bugs : fxsave_leak sysret_ss_attrs null_seg
bogomips : 7800.50
TLB size : 1536 4K pages
clflush size : 64
cache_alignment : 64
address sizes : 48 bits physical, 48 bits virtual
power management: ts ttp tm 100mhzsteps hwpstate cpb eff_freq_ro
processor : 1
vendor_id : AuthenticAMD
cpu family : 21
model : 2
model name : AMD FX(tm)-6350 Six-Core Processor
stepping : 0
microcode : 0x600081c
cpu MHz : 2000.000
cache size : 2048 KB
physical id : 0
siblings : 6
core id : 1
cpu cores : 3
apicid : 17
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 ht syscall nx mmxext fxsr_opt pdpe1gb
rdtscp lm constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid aperfmperf
pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 popcnt aes xsave avx f16c
lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch
osvw ibs xop skinit wdt lwp fma4 tce nodeid_msr tbm topoext perfctr_core
perfctr_nb cpb hw_pstate vmmcall bmi1 arat npt lbrv svm_lock nrip_save
tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold
bugs : fxsave_leak sysret_ss_attrs null_seg
bogomips : 7910.78
TLB size : 1536 4K pages
clflush size : 64
cache_alignment : 64
address sizes : 48 bits physical, 48 bits virtual
power management: ts ttp tm 100mhzsteps hwpstate cpb eff_freq_ro
processor : 2
vendor_id : AuthenticAMD
cpu family : 21
model : 2
model name : AMD FX(tm)-6350 Six-Core Processor
stepping : 0
microcode : 0x600081c
cpu MHz : 3900.000
cache size : 2048 KB
physical id : 0
siblings : 6
core id : 2
cpu cores : 3
apicid : 18
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 ht syscall nx mmxext fxsr_opt pdpe1gb
rdtscp lm constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid aperfmperf
pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 popcnt aes xsave avx f16c
lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch
osvw ibs xop skinit wdt lwp fma4 tce nodeid_msr tbm topoext perfctr_core
perfctr_nb cpb hw_pstate vmmcall bmi1 arat npt lbrv svm_lock nrip_save
tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold
bugs : fxsave_leak sysret_ss_attrs null_seg
bogomips : 7820.25
TLB size : 1536 4K pages
clflush size : 64
cache_alignment : 64
address sizes : 48 bits physical, 48 bits virtual
power management: ts ttp tm 100mhzsteps hwpstate cpb eff_freq_ro
processor : 3
vendor_id : AuthenticAMD
cpu family : 21
model : 2
model name : AMD FX(tm)-6350 Six-Core Processor
stepping : 0
microcode : 0x600081c
cpu MHz : 1400.000
cache size : 2048 KB
physical id : 0
siblings : 6
core id : 3
cpu cores : 3
apicid : 19
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 ht syscall nx mmxext fxsr_opt pdpe1gb
rdtscp lm constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid aperfmperf
pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 popcnt aes xsave avx f16c
lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch
osvw ibs xop skinit wdt lwp fma4 tce nodeid_msr tbm topoext perfctr_core
perfctr_nb cpb hw_pstate vmmcall bmi1 arat npt lbrv svm_lock nrip_save
tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold
bugs : fxsave_leak sysret_ss_attrs null_seg
bogomips : 7829.55
TLB size : 1536 4K pages
clflush size : 64
cache_alignment : 64
address sizes : 48 bits physical, 48 bits virtual
power management: ts ttp tm 100mhzsteps hwpstate cpb eff_freq_ro
processor : 4
vendor_id : AuthenticAMD
cpu family : 21
model : 2
model name : AMD FX(tm)-6350 Six-Core Processor
stepping : 0
microcode : 0x600081c
cpu MHz : 1400.000
cache size : 2048 KB
physical id : 0
siblings : 6
core id : 4
cpu cores : 3
apicid : 20
initial apicid : 4
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 ht syscall nx mmxext fxsr_opt pdpe1gb
rdtscp lm constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid aperfmperf
pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 popcnt aes xsave avx f16c
lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch
osvw ibs xop skinit wdt lwp fma4 tce nodeid_msr tbm topoext perfctr_core
perfctr_nb cpb hw_pstate vmmcall bmi1 arat npt lbrv svm_lock nrip_save
tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold
bugs : fxsave_leak sysret_ss_attrs null_seg
bogomips : 7913.24
TLB size : 1536 4K pages
clflush size : 64
cache_alignment : 64
address sizes : 48 bits physical, 48 bits virtual
power management: ts ttp tm 100mhzsteps hwpstate cpb eff_freq_ro
processor : 5
vendor_id : AuthenticAMD
cpu family : 21
model : 2
model name : AMD FX(tm)-6350 Six-Core Processor
stepping : 0
microcode : 0x600081c
cpu MHz : 1400.000
cache size : 2048 KB
physical id : 0
siblings : 6
core id : 5
cpu cores : 3
apicid : 21
initial apicid : 5
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 ht syscall nx mmxext fxsr_opt pdpe1gb
rdtscp lm constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid aperfmperf
pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 popcnt aes xsave avx f16c
lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch
osvw ibs xop skinit wdt lwp fma4 tce nodeid_msr tbm topoext perfctr_core
perfctr_nb cpb hw_pstate vmmcall bmi1 arat npt lbrv svm_lock nrip_save
tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold
bugs : fxsave_leak sysret_ss_attrs null_seg
bogomips : 7799.89
TLB size : 1536 4K pages
clflush size : 64
cache_alignment : 64
address sizes : 48 bits physical, 48 bits virtual
power management: ts ttp tm 100mhzsteps hwpstate cpb eff_freq_ro
A.