[llvm-dev] failed to build llvm since 25de7691a0e27c29c8d783a22373cc265571f5e9 on AMD platform

[Li Zhijian via llvm-dev]

Hi

we observed that below errors occur on AMD platform since 25de7691a0e27c29c8d783a22373cc265571f5e9

root at lkp-opteron1 /opt/rootfs/llvm_project/src/build# cmake -DCMAKE_BUILD_TYPE=release -DLLVM_ENABLE_PROJECTS=clang -G "Unix Makefiles" ../llvm -DCMAKE_INSTALL_PREFIX=/opt/cross/
-- clang project is enabled
-- clang-tools-extra project is disabled
-- compiler-rt project is disabled
-- debuginfo-tests project is disabled
-- libclc project is disabled
-- libcxx project is disabled
-- libcxxabi project is disabled
-- libunwind project is disabled
-- lld project is disabled
-- lldb project is disabled
-- llgo project is disabled
-- openmp project is disabled
-- parallel-libs project is disabled
-- polly project is disabled
-- pstl project is disabled
-- Could NOT find Z3: Found unsuitable version "0.0.0", but required is at least "4.7.1" (found Z3_LIBRARIES-NOTFOUND)
-- Could NOT find LibXml2 (missing:  LIBXML2_LIBRARIES LIBXML2_INCLUDE_DIR)
-- Native target architecture is X86
-- Threads enabled.
-- Doxygen disabled.
-- Go bindings disabled.
-- Could NOT find OCaml (missing:  OCAMLFIND OCAML_VERSION OCAML_STDLIB_PATH)
-- Could NOT find OCaml (missing:  OCAMLFIND OCAML_VERSION OCAML_STDLIB_PATH)
-- OCaml bindings disabled.
-- Could NOT find Python module pygments
-- Could NOT find Python module pygments.lexers.c_cpp
-- Could NOT find Python module yaml
-- LLVM host triple: x86_64-unknown-linux-gnu
-- LLVM default target triple: x86_64-unknown-linux-gnu
-- Building with -fPIC
CMake Error at cmake/modules/HandleLLVMOptions.cmake:466 (message):
   The host compiler does not support '-std=c++11'.
Call Stack (most recent call first):
   CMakeLists.txt:668 (include)


-- Configuring incomplete, errors occurred!
See also "/opt/rootfs/llvm_project/src/build/CMakeFiles/CMakeOutput.log".
See also "/opt/rootfs/llvm_project/src/build/CMakeFiles/CMakeError.log".


CPUINFO：
root at lkp-opteron1 /opt/rootfs/llvm_project/src/build# lscpu
Architecture:          x86_64
CPU op-mode(s):        32-bit, 64-bit
Byte Order:            Little Endian
CPU(s):                32
On-line CPU(s) list:   0-31
Thread(s) per core:    2
Core(s) per socket:    8
Socket(s):             2
NUMA node(s):          4
Vendor ID:             AuthenticAMD
CPU family:            21
Model:                 1
Model name:            AMD Opteron(TM) Processor 6276
Stepping:              2
CPU MHz:               1487.966
CPU max MHz:           2300.0000
CPU min MHz:           1400.0000
BogoMIPS:              4599.97
Virtualization:        AMD-V
L1d cache:             16K
L1i cache:             64K
L2 cache:              2048K
L3 cache:              6144K
NUMA node0 CPU(s):     0-7
NUMA node1 CPU(s):     8-15
NUMA node2 CPU(s):     16-23
NUMA node3 CPU(s):     24-31
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 amd_dcm aperfmperf pni pclmulqdq monitor ssse3 cx16 sse4_1 sse4_2 popcnt aes xsave avx lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs xop skinit wdt lwp fma4 nodeid_msr topoext perfctr_core perfctr_nb cpb hw_pstate ssbd vmmcall arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold


OS INFO on Debian 8：
root at lkp-opteron1 /opt/rootfs/llvm_project/src/build# dpkg -l g++ cmake
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name                                          Version                     Architecture                Description
+++-=============================================-===========================-===========================-===============================================================================================
ii  cmake                                         3.7.2-1                     amd64                       cross-platform, open-source make system
ii  g++                                           4:6.3.0-4                   amd64                       GNU C++ compiler


It works well on INTEL platform.

Feel free to let me know if i miss something.

Thanks

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