[llvm-dev] failed to build llvm since 25de7691a0e27c29c8d783a22373cc265571f5e9 on AMD platform
Don Hinton via llvm-dev
llvm-dev at lists.llvm.org
Wed May 8 22:32:47 PDT 2019
Are you using the same build dir for both builds? If so, did you clear the
cache, i.e., delete the CMakeCache.txt file?
The reason I ask is that when this patch sets LLVM_CXX_STD in the CACHE, it
doesn't use FORCE. That means that if something was already there, it
won't get overwritten.
On Wed, May 8, 2019 at 7:31 PM Li Zhijian via llvm-dev <
llvm-dev at lists.llvm.org> wrote:
> LKP framework can guarantee that all the software environment are same on AMD and INTEL platform.
> INTEL platform always work well, after revert this patch, AMD works well.
>
> we tried below commit on AMD.
> 1) 25de7691a0e27c29c8d783a22373cc265571f5e9: bad
> 2) a82235843b102202766115e10003c9465a8b83ae: good
>
> the error logs(build/CMakeFiles/CMakeError.log) has no difference b/w 1) and 2) on AMD platform
>
>
>
> Thanks
>
>
> On 5/8/19 8:25 PM, Brian Cain wrote:
>
> The host compiler failed to build a sample with '-std=c++11'. This could
> be a simple misconfiguration of your host toolchain, missing libraries,
> etc. Check those cmake error logs to see what in particular weren't wrong.
>
> On Tue, May 7, 2019, 11:41 PM Li Zhijian via llvm-dev <
> llvm-dev at lists.llvm.org> wrote:
>
>> 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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>> llvm-dev at lists.llvm.org
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>>
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