Installation issue: clingo won't bootstrap on rhel7 #24417
Description
RHEL7 by default ships with GCC4.8.5. Do we need to bootstrap the bootstrap?
Steps to reproduce the issue
Set the concretizer to clingo in packages/config.yaml on RHEL7
$ spack -e core concretize
==> Error: Conflicts in concretized spec "clingo-bootstrap@spack%[email protected]~docs~ipo+python build_type=Release arch=linux-centos7-x86_64/oeui676"
List of matching conflicts for spec:
clingo-bootstrap@spack%[email protected]~docs~ipo+python build_type=Release arch=linux-centos7-x86_64
^[email protected]%[email protected] arch=linux-centos7-x86_64
^[email protected]%[email protected] arch=linux-centos7-x86_64
^[email protected]%[email protected] arch=linux-centos7-x86_64
^[email protected]%[email protected]+sigsegv arch=linux-centos7-x86_64
^[email protected]%[email protected] arch=linux-centos7-x86_64
^[email protected]%[email protected]+cpanm+shared+threads arch=linux-centos7-x86_64
^[email protected]%[email protected]+cxx~docs+stl patches=b231fcc4d5cff05e5c3a4814f6a5af0e9a966428dc2176540d2c05aff41de522 arch=linux-centos7-x86_64
^[email protected]%[email protected] arch=linux-centos7-x86_64
^[email protected]%[email protected] arch=linux-centos7-x86_64
^[email protected]%[email protected]~symlinks+termlib abi=none arch=linux-centos7-x86_64
^[email protected]%[email protected] arch=linux-centos7-x86_64
^[email protected]%[email protected]~doc+ncurses+openssl+ownlibs~qt build_type=Release arch=linux-centos7-x86_64
^[email protected]%[email protected]~docs+systemcerts arch=linux-centos7-x86_64
^[email protected]%[email protected]+optimize+pic+shared arch=linux-centos7-x86_64
^[email protected]%[email protected]+bz2+ctypes+dbm~debug+libxml2+lzma~nis~optimizations+pic+pyexpat+pythoncmd+readline+shared+sqlite3+ssl~tix~tkinter~ucs4+uuid+zlib arch=linux-centos7-x86_64
^[email protected]%[email protected] arch=linux-centos7-x86_64
1. "%gcc@:5.99.99" conflicts with "clingo-bootstrap" [C++14 support is required to bootstrap clingo]
Information on your system
- Spack: 0.16.2-3016-1fd1f1c93f
- Python: 3.6.8
- Platform: linux-centos7-zen2
- Concretizer: clingo