add warning if total parametric volume is less then 1

6 jobs for master in 18 seconds (queued for 2 seconds)
latest
Name Stage Failure
failed
clang-c++14 Build
/local/gitlab-runner/builds/96c8e8bf/0/HexEx/libHexEx/OpenVolumeMesh/src/OpenVolumeMesh/Attribs/InterfaceAttrib.cc:10:7: note: in instantiation of member function 'OpenVolumeMesh::PropertyPtr<bool, OpenVolumeMesh::Entity::Face>::PropertyPtr' requested here
f_interface_(&_kernel, "interface", false)
^
29 warnings and 14 errors generated.
make[2]: *** [OpenVolumeMesh/src/CMakeFiles/OpenVolumeMesh.dir/build.make:82: OpenVolumeMesh/src/CMakeFiles/OpenVolumeMesh.dir/OpenVolumeMesh/Attribs/InterfaceAttrib.cc.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:252: OpenVolumeMesh/src/CMakeFiles/OpenVolumeMesh.dir/all] Error 2
make: *** [Makefile:160: all] Error 2
Cleaning up project directory and file based variables
ERROR: Job failed: exit status 1

failed
clang-c++11 Build
        if(_h > thld_) _h.idx(_h.idx() - 2);
~~ ^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
10 warnings and 20 errors generated.
make[2]: *** [OpenVolumeMesh/src/CMakeFiles/OpenVolumeMesh.dir/build.make:82: OpenVolumeMesh/src/CMakeFiles/OpenVolumeMesh.dir/OpenVolumeMesh/Attribs/InterfaceAttrib.cc.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:252: OpenVolumeMesh/src/CMakeFiles/OpenVolumeMesh.dir/all] Error 2
make: *** [Makefile:160: all] Error 2
Cleaning up project directory and file based variables
ERROR: Job failed: exit status 1

failed
macos-c++14 Build
/Users/jenkins/builds/8dfb9a4a/0/HexEx/libHexEx/OpenVolumeMesh/src/OpenVolumeMesh/Core/ResourceManager.hh:45:10: fatal error: 'optional' file not found
#include <optional>
^
4 warnings and 4 errors generated.
make[2]: *** [OpenVolumeMesh/src/CMakeFiles/OpenVolumeMesh.dir/OpenVolumeMesh/Attribs/InterfaceAttrib.cc.o] Error 1
make[1]: *** [OpenVolumeMesh/src/CMakeFiles/OpenVolumeMesh.dir/all] Error 2
make: *** [all] Error 2
Cleaning up project directory and file based variables
ERROR: Job failed: exit status 1

failed
gcc-c++11 Build
/local/gitlab-runner/builds/Xqxo6jru/0/HexEx/libHexEx/OpenVolumeMesh/src/OpenVolumeMesh/IO/PropertyCodecsT_impl.hh:59:1:   required from here
/local/gitlab-runner/builds/Xqxo6jru/0/HexEx/libHexEx/OpenVolumeMesh/src/OpenVolumeMesh/Core/EntityUtils.hh:48:48: error: ‘type’ is not a member of ‘int’
48 | inline T &get() {return get(EntityTag::type());}
| ~~~~~~~~~~~~~~~^~
make[2]: *** [OpenVolumeMesh/src/CMakeFiles/OpenVolumeMesh.dir/build.make:264: OpenVolumeMesh/src/CMakeFiles/OpenVolumeMesh.dir/OpenVolumeMesh/IO/PropertyCodecs.cc.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:252: OpenVolumeMesh/src/CMakeFiles/OpenVolumeMesh.dir/all] Error 2
make: *** [Makefile:160: all] Error 2
Cleaning up project directory and file based variables
ERROR: Job failed: exit status 1

failed
macos-c++11 Build
/Users/jenkins/builds/b72f60fc/0/HexEx/libHexEx/OpenVolumeMesh/src/OpenVolumeMesh/Core/ResourceManager.hh:45:10: fatal error: 'optional' file not found
#include <optional>
^~~~~~~~~~
14 warnings and 8 errors generated.
make[2]: *** [OpenVolumeMesh/src/CMakeFiles/OpenVolumeMesh.dir/OpenVolumeMesh/Attribs/InterfaceAttrib.cc.o] Error 1
make[1]: *** [OpenVolumeMesh/src/CMakeFiles/OpenVolumeMesh.dir/all] Error 2
make: *** [all] Error 2
Cleaning up project directory and file based variables
ERROR: Job failed: exit status 1

failed
gcc-c++14 Build
      |                         internal_create_property
/local/gitlab-runner/builds-1/rmNdPEiH/1/HexEx/libHexEx/OpenVolumeMesh/src/OpenVolumeMesh/Core/ResourceManagerT_impl.hh:218:49: error: expected primary-expression before ‘,’ token
218 | auto existing = internal_find_property<T, EntityTag>(_prop.name());
| ^
make[2]: *** [OpenVolumeMesh/src/CMakeFiles/OpenVolumeMesh.dir/build.make:264: OpenVolumeMesh/src/CMakeFiles/OpenVolumeMesh.dir/OpenVolumeMesh/IO/PropertyCodecs.cc.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:252: OpenVolumeMesh/src/CMakeFiles/OpenVolumeMesh.dir/all] Error 2
make: *** [Makefile:160: all] Error 2
Cleaning up project directory and file based variables
ERROR: Job failed: exit status 1