Snippets for mapnik 4.2.2 from Fedora aarch64

Sourced from https://kojipkgs.fedoraproject.org/packages/mapnik/4.2.2/5.fc45/data/logs/aarch64/build.log.

• /usr/include/boost/spirit/home/karma/detail/output_iterator.hpp:160:19: warning: storing the address of local variable ‘counting’ in ‘MEM[(struct counting_policy *)sink_3(D) + 8B].count’ [-Wdangling-pointer=]
    160 |             count = count_data;
        |             ~~~~~~^~~~~~~~~~~~
  

• /builddir/build/BUILD/mapnik-4.2.2-build/mapnik-v4.2.2/src/image.cpp:88:29: warning: type attributes ignored after type is already defined [-Wattributes]
     88 | template struct MAPNIK_DECL image_dimensions<4294836225>;
        |                             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• /builddir/build/BUILD/mapnik-4.2.2-build/mapnik-v4.2.2/src/well_known_srs.cpp:41:20: warning: ‘mapnik::well_known_srs_strings’ defined but not used [-Wunused-variable]
     41 | static char const* well_known_srs_strings[] = {MAPNIK_GEOGRAPHIC_PROJ.c_str(), MAPNIK_WEBMERCATOR_PROJ.c_str(), ""};
        |                    ^~~~~~~~~~~~~~~~~~~~~~
  

• /builddir/build/BUILD/mapnik-4.2.2-build/mapnik-v4.2.2/include/mapnik/xml_loader.hpp:33:19: warning: type attributes ignored after type is already defined [-Wattributes]
     33 | class MAPNIK_DECL xml_node;
        |                   ^~~~~~~~
  

• /builddir/build/BUILD/mapnik-4.2.2-build/mapnik-v4.2.2/include/mapnik/renderer_common/process_building_symbolizer.hpp:82:22: warning: ‘ring_begin_y’ may be used uninitialized [-Wmaybe-uninitialized]
     82 |         faces.line_to(x, y - height);
        |         ~~~~~~~~~~~~~^~~~~~~~~~~~~~~
  

• /builddir/build/BUILD/mapnik-4.2.2-build/mapnik-v4.2.2/include/mapnik/vertex_vector.hpp:96:19: warning: ‘ring_begin_x’ may be used uninitialized [-Wmaybe-uninitialized]
     96 |         *vertex++ = x;
        |         ~~~~~~~~~~^~~
  

• /builddir/build/BUILD/mapnik-4.2.2-build/mapnik-v4.2.2/src/svg/svg_parser.cpp:318:54: warning: suggest parentheses around comparison in operand of ‘|’ [-Wparentheses]
    318 |                             x3::double_[apply_value] >
        |                             ~~~~~~~~~~~~~~~~~~~~~~~~~^
    319 |                               -(units[apply_units] | x3::lit("em")[apply_em] | x3::lit('%')[apply_percent]),
        |                               ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• /builddir/build/BUILD/mapnik-4.2.2-build/mapnik-v4.2.2/include/mapnik/renderer_common/process_building_symbolizer.hpp:114:28: warning: ‘ring_begin_x’ may be used uninitialized [-Wmaybe-uninitialized]
    114 |                 render_face(x0, y0, ring_begin_x, ring_begin_y, height, face_func, frame);
        |                 ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• /builddir/build/BUILD/mapnik-4.2.2-build/mapnik-v4.2.2/include/mapnik/renderer_common/process_building_symbolizer.hpp:114:28: warning: ‘ring_begin_y’ may be used uninitialized [-Wmaybe-uninitialized]
    114 |                 render_face(x0, y0, ring_begin_x, ring_begin_y, height, face_func, frame);
        |                 ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• /builddir/build/BUILD/mapnik-4.2.2-build/mapnik-v4.2.2/deps/agg/include/agg_rasterizer_outline_aa.h:375:20: warning: ‘dv.flags’ may be used uninitialized [-Wmaybe-uninitialized]
    375 |             if((dv.flags & 1) == 0 && m_line_join != outline_round_join)
        |                 ~~~^~~~~
  

• /builddir/build/BUILD/mapnik-4.2.2-build/mapnik-v4.2.2/deps/agg/include/agg_rasterizer_outline_aa.h:523:28: warning: ‘dv.flags’ may be used uninitialized [-Wmaybe-uninitialized]
    523 |                     if((dv.flags & 1) == 0)
        |                         ~~~^~~~~
  

• /usr/include/boost/multi_index/detail/bucket_array.hpp:165:59: warning: ‘memset’ specified bound 18446744073709551608 exceeds maximum object size 9223372036854775807 [-Wstringop-overflow=]
    165 |     for(base_pointer x=begin(),y=end();x!=y;++x)x->prior()=pointer(0);
        |                                                 ~~~~~~~~~~^~~~~~~~~~~
  

• /builddir/build/BUILD/mapnik-4.2.2-build/mapnik-v4.2.2/utils/mapnik-index/process_geojson_file_x3.cpp:171:13: warning: ‘geom_type’ may be used uninitialized [-Wmaybe-uninitialized]
    171 |             if (geom_type == mapnik::geometry::geometry_types::Point)
        |             ^~
  

• /builddir/build/BUILD/mapnik-4.2.2-build/mapnik-v4.2.2/plugins/input/geobuf/geobuf_datasource.cpp:99:15: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
     99 |     std::fread(geobuf.data(), in.size(), 1, in.get());
        |     ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• /builddir/build/BUILD/mapnik-4.2.2-build/mapnik-v4.2.2/benchmark/src/test_numeric_cast_vs_static_cast.cpp:34:16: warning: ‘x’ may be used uninitialized [-Wmaybe-uninitialized]
     34 |         return static_cast<double>(x) < (static_cast<double>(start_) * value_);
        |                ^~~~~~~~~~~~~~~~~~~~~~
  

• /builddir/build/BUILD/mapnik-4.2.2-build/mapnik-v4.2.2/benchmark/src/test_numeric_cast_vs_static_cast.cpp:73:16: warning: ‘x’ may be used uninitialized [-Wmaybe-uninitialized]
     73 |         return static_cast<double>(x) < (static_cast<double>(start_) * value_);
        |                ^~~~~~~~~~~~~~~~~~~~~~
  

• /builddir/build/BUILD/mapnik-4.2.2-build/mapnik-v4.2.2/plugins/input/tiles/xyz_tiles.hpp:279:27: warning: catching polymorphic type ‘class std::exception’ by value [-Wcatch-value=]
    279 |     catch (std::exception e)
        |                           ^
  

• /builddir/build/BUILD/mapnik-4.2.2-build/mapnik-v4.2.2/deps/agg/src/agg_line_profile_aa.cpp:85:15: warning: ‘__builtin_memset’ writing between 4294965502 and 4294965504 bytes into a region of size 0 overflows the destination [-Wstringop-overflow=]
     85 |         *ch++ = (value_type)val;
        |               ^
  

• /usr/include/c++/16/bits/shared_ptr_base.h:1135:13: warning: array subscript 13 is outside array bounds of ‘struct _Sp_counted_ptr_inplace[1]’ [-Warray-bounds=]
   1135 |         if (_M_pi != nullptr)
        |             ^~~~~
  

• /usr/include/c++/16/bits/shared_ptr.h:175:11: warning: array subscript 6 is outside array bounds of ‘struct _Sp_counted_ptr_inplace[1]’ [-Warray-bounds=]
    175 |     class shared_ptr : public __shared_ptr<_Tp>
        |           ^~~~~~~~~~
  

• /usr/include/mapbox/variant.hpp:875:29: warning: array subscript 2 is outside array bounds of ‘struct _Sp_counted_ptr_inplace[1]’ [-Warray-bounds=]
    875 |         helper_type::destroy(type_index, &data);
        |         ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
  

• /builddir/build/BUILD/mapnik-4.2.2-build/mapnik-v4.2.2/include/mapnik/geometry.hpp:60:8: warning: array subscript 2 is outside array bounds of ‘struct _Sp_counted_ptr_inplace[1]’ [-Warray-bounds=]
     60 | struct geometry : geometry_base<T>
        |        ^~~~~~~~
  

• /builddir/build/BUILD/mapnik-4.2.2-build/mapnik-v4.2.2/include/mapnik/feature.hpp:94:19: warning: array subscript ‘struct feature_impl[0]’ is partly outside array bounds of ‘unsigned char[64]’ [-Warray-bounds=]
     94 | class MAPNIK_DECL feature_impl : private util::noncopyable
        |                   ^~~~~~~~~~~~
  

• /builddir/build/BUILD/mapnik-4.2.2-build/mapnik-v4.2.2/test/unit/datasource/topojson.cpp:43:15: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
     43 |     std::fread(&buffer[0], buffer.size(), 1, file.get());
        |     ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~