compile boost with llvm-toolset

[bbaassssiiee]

Let's compile Boost with the llvm-toolset first. Compiling LLVM+CLang takes almost 3 hours.

[bbaassssiiee]

TASK [dockpack.base_boost : what is my clang compiler?] ************************
task path: /Users/bas/code/centos/roles/dockpack.base_boost/tasks/main.yml:54
Tuesday 28 January 2020  18:25:14 +0100 (0:00:00.777)       0:00:06.507 *******
ok: [centos7-dts8-clang-DEV] => changed=false
  cmd: source /opt/rh/llvm-toolset-7.0/enable &&  clang -v
  delta: '0:00:00.031412'
  end: '2020-01-28 12:25:15.347158'
  rc: 0
  start: '2020-01-28 12:25:15.315746'
  stderr: |-
    clang version 7.0.1 (tags/RELEASE_701/final)
    Target: x86_64-unknown-linux-gnu
    Thread model: posix
    InstalledDir: /opt/rh/llvm-toolset-7.0/root/usr/bin
    Found candidate GCC installation: /opt/rh/devtoolset-8/root/usr/lib/gcc/x86_64-redhat-linux/8
    Found candidate GCC installation: /usr/lib/gcc/x86_64-redhat-linux/4.8.2
    Found candidate GCC installation: /usr/lib/gcc/x86_64-redhat-linux/4.8.5
    Selected GCC installation: /opt/rh/devtoolset-8/root/usr/lib/gcc/x86_64-redhat-linux/8
    Candidate multilib: .;@m64
    Candidate multilib: 32;@m32
    Selected multilib: .;@m64
  stderr_lines: <omitted>
  stdout: ''
  stdout_lines: <omitted>

[bbaassssiiee]

TASK [dockpack.base_boost : Display details about the boost configuration] *****
task path: /Users/bas/code/centos/roles/dockpack.base_boost/tasks/main.yml:251
Tuesday 28 January 2020  18:25:47 +0100 (0:00:11.014)       0:00:39.506 *******
ok: [centos7-dts8-clang] =>
  msg:
  - Performing configuration checks
  - ''
  - '    - default address-model    : 64-bit'
  - '    - default architecture     : x86'
  - ''
  - Building the Boost C++ Libraries.
  - ''
  - ''
  - '    - symlinks supported       : yes'
  - '    - C++11 mutex              : yes'
  - '    - lockfree boost::atomic_flag : yes'
  - '    - Boost.Config Feature Check: cxx11_auto_declarations : yes'
  - '    - Boost.Config Feature Check: cxx11_constexpr : yes'
  - '    - Boost.Config Feature Check: cxx11_defaulted_functions : yes'
  - '    - Boost.Config Feature Check: cxx11_final : yes'
  - '    - Boost.Config Feature Check: cxx11_hdr_mutex : yes'
  - '    - Boost.Config Feature Check: cxx11_hdr_regex : yes'
  - '    - Boost.Config Feature Check: cxx11_hdr_tuple : yes'
  - '    - Boost.Config Feature Check: cxx11_lambdas : yes'
  - '    - Boost.Config Feature Check: cxx11_noexcept : yes'
  - '    - Boost.Config Feature Check: cxx11_nullptr : yes'
  - '    - Boost.Config Feature Check: cxx11_rvalue_references : yes'
  - '    - Boost.Config Feature Check: cxx11_template_aliases : yes'
  - '    - Boost.Config Feature Check: cxx11_thread_local : yes'
  - '    - Boost.Config Feature Check: cxx11_variadic_templates : yes'
  - '    - has_icu builds           : no'
  - 'warning: Graph library does not contain MPI-based parallel components.'
  - 'note: to enable them, add "using mpi ;" to your user-config.jam'
  - '    - zlib                     : yes'
  - '    - bzip2                    : yes'
  - '    - lzma                     : no'
  - '    - iconv (libc)             : yes'
  - '    - icu                      : no'
  - '    - icu (lib64)              : no'
  - '    - native-atomic-int32-supported : yes'
  - '    - native-syslog-supported  : yes'
  - '    - pthread-supports-robust-mutexes : yes'
  - '    - compiler-supports-visibility : yes'
  - '    - compiler-supports-ssse3  : yes'
  - '    - compiler-supports-avx2   : yes'
  - '    - gcc visibility           : yes'
  - '    - long double support      : yes'
  - 'warning: skipping optional Message Passing Interface (MPI) library.'
  - 'note: to enable MPI support, add "using mpi ;" to user-config.jam.'
  - 'note: to suppress this message, pass "--without-mpi" to bjam.'
  - 'note: otherwise, you can safely ignore this message.'
  - '    - libbacktrace builds      : no'
  - '    - addr2line builds         : yes'
  - '    - WinDbg builds            : no'
  - '    - WinDbgCached builds      : no'
  - '    - BOOST_COMP_GNUC >= 4.3.0 : no'
  - '    - zlib                     : yes'
  - '    - bzip2                    : yes'
  - '    - lzma                     : no'
  - '...found 1 target...'
  - '...updating 1 target...'
  - '...updated 1 target...'