bryanherger opened a new issue #227:
URL: https://github.com/apache/datasketches-cpp/issues/227
I attempted to compile current master (as of 05 Jul 2021) on CentOS 7.9.2009
with CMake 3.17.5 and g++ (GCC) 4.8.5 20150623 (Red Hat 4.8.5-44), but I get
the following issue. Is a minimum g++ version required? v4.8.5 seems a bit
dated relative to my OS release.
[ 66%] Building CXX object
theta/test/CMakeFiles/theta_test.dir/theta_a_not_b_test.cpp.o
In file included from /usr/include/c++/4.8.2/bits/stl_algobase.h:67:0,
from /usr/include/c++/4.8.2/bits/char_traits.h:39,
from /usr/include/c++/4.8.2/string:40,
from
/home/bryan/github/datasketches-cpp/common/test/catch.hpp:468,
from
/home/bryan/github/datasketches-cpp/theta/test/theta_a_not_b_test.cpp:20:
/usr/include/c++/4.8.2/bits/stl_iterator.h: In instantiation of
‘std::move_iterator<_Iterator>::value_type&&
std::move_iterator<_Iterator>::operator*() const [with _Iterator = const long
unsigned int*; std::move_iterator<_Iterator>::reference = long unsigned int&&;
std::move_iterator<_Iterator>::value_type = long unsigned int]’:
/usr/include/c++/4.8.2/bits/stl_algo.h:962:13: required from ‘_OIter
std::copy_if(_IIter, _IIter, _OIter, _Predicate) [with _IIter =
std::move_iterator<const long unsigned int*>; _OIter =
std::back_insert_iterator<std::vector<long unsigned int, std::allocator<long
unsigned int> > >; _Predicate = datasketches::key_less_than<long unsigned int,
long unsigned int, datasketches::trivial_extract_key>]’
/home/bryan/github/datasketches-cpp/theta/include/theta_set_difference_base_impl.hpp:49:47:
required from ‘CS datasketches::theta_set_difference_base<Entry, ExtractKey,
CompactSketch, Allocator>::compute(FwdSketch&&, const Sketch&, bool) const
[with FwdSketch = const
datasketches::wrapped_compact_theta_sketch_alloc<std::allocator<long unsigned
int> >; Sketch =
datasketches::wrapped_compact_theta_sketch_alloc<std::allocator<long unsigned
int> >; Entry = long unsigned int; ExtractKey =
datasketches::trivial_extract_key; CompactSketch =
datasketches::compact_theta_sketch_alloc<std::allocator<long unsigned int> >;
Allocator = std::allocator<long unsigned int>]’
/home/bryan/github/datasketches-cpp/theta/include/theta_a_not_b_impl.hpp:37:63:
required from ‘datasketches::theta_a_not_b_alloc<Allocator>::CompactSketch
datasketches::theta_a_not_b_alloc<Allocator>::compute(FwdSketch&&, const
Sketch&, bool) const [with FwdSketch = const
datasketches::wrapped_compact_theta_sketch_alloc<std::allocator<long unsigned
int> >; Sketch =
datasketches::wrapped_compact_theta_sketch_alloc<std::allocator<long unsigned
int> >; Allocator = std::allocator<long unsigned int>;
datasketches::theta_a_not_b_alloc<Allocator>::CompactSketch =
datasketches::compact_theta_sketch_alloc<std::allocator<long unsigned int> >]’
/home/bryan/github/datasketches-cpp/theta/test/theta_a_not_b_test.cpp:186:3:
required from here
/usr/include/c++/4.8.2/bits/stl_iterator.h:963:37: error: invalid
initialization of reference of type ‘std::move_iterator<const long unsigned
int*>::reference {aka long unsigned int&&}’ from expression of type
‘std::remove_reference<const long unsigned int&>::type {aka const long unsigned
int}’
{ return std::move(*_M_current); }
^
make[2]: *** [theta/test/CMakeFiles/theta_test.dir/theta_a_not_b_test.cpp.o]
Error 1
make[1]: *** [theta/test/CMakeFiles/theta_test.dir/all] Error 2
make: *** [all] Error 2
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