WillAyd opened a new issue, #46309:
URL: https://github.com/apache/arrow/issues/46309

   ### Describe the enhancement requested
   
   In the meson configuration, a lot of warnings are thrown by 
-Wignored-qualifiers:
   
   These should be easy to clean up, and I think would be good to add this to 
the main CMake configuration as well:
   
   ```
   ../src/arrow/compute/kernels/scalar_temporal_unary.cc: In member function ‘T 
arrow::compute::internal::{anonymous}::Year<Duration, 
Localizer>::Call(arrow::compute::KernelContext*, Arg0, arrow::Status*) const’:
   ../src/arrow/compute/kernels/scalar_temporal_unary.cc:196:27: warning: type 
qualifiers ignored on cast result type [-Wignored-qualifiers]
     196 |     return static_cast<T>(static_cast<const int32_t>(
         |                           ^~~~~~~~~~~~~~~~~~~~~~~~~~~
     197 |         year_month_day(floor<days>(localizer_.template 
ConvertTimePoint<Duration>(arg)))
         |         
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     198 |             .year()));
         |             ~~~~~~~~       
   ../src/arrow/compute/kernels/scalar_temporal_unary.cc: In member function ‘T 
arrow::compute::internal::{anonymous}::IsLeapYear<Duration, 
Localizer>::Call(arrow::compute::KernelContext*, Arg0, arrow::Status*) const’:
   ../src/arrow/compute/kernels/scalar_temporal_unary.cc:214:17: warning: type 
qualifiers ignored on cast result type [-Wignored-qualifiers]
     214 |     int32_t y = static_cast<const int32_t>(
         |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~
     215 |         year_month_day(floor<days>(localizer_.template 
ConvertTimePoint<Duration>(arg)))
         |         
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     216 |             .year());
         |             ~~~~~~~~
   ../src/arrow/compute/kernels/scalar_temporal_unary.cc: In member function ‘T 
arrow::compute::internal::{anonymous}::Month<Duration, 
Localizer>::Call(arrow::compute::KernelContext*, Arg0, arrow::Status*) const’:
   ../src/arrow/compute/kernels/scalar_temporal_unary.cc:233:27: warning: type 
qualifiers ignored on cast result type [-Wignored-qualifiers]
     233 |     return static_cast<T>(static_cast<const uint32_t>(
         |                           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
     234 |         year_month_day(floor<days>(localizer_.template 
ConvertTimePoint<Duration>(arg)))
         |         
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     235 |             .month()));
         |             ~~~~~~~~~      
   ../src/arrow/compute/kernels/scalar_temporal_unary.cc: In member function ‘T 
arrow::compute::internal::{anonymous}::Day<Duration, 
Localizer>::Call(arrow::compute::KernelContext*, Arg0, arrow::Status*) const’:
   ../src/arrow/compute/kernels/scalar_temporal_unary.cc:251:27: warning: type 
qualifiers ignored on cast result type [-Wignored-qualifiers]
     251 |     return static_cast<T>(static_cast<const uint32_t>(
         |                           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
     252 |         year_month_day(floor<days>(localizer_.template 
ConvertTimePoint<Duration>(arg)))
         |         
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     253 |             .day()));
         |             ~~~~~~~        
   ../src/arrow/compute/kernels/scalar_temporal_unary.cc: In function 
‘std::array<long int, 3> 
arrow::compute::internal::{anonymous}::GetYearMonthDay(int64_t, Localizer&&)’:
   ../src/arrow/compute/kernels/scalar_temporal_unary.cc:267:32: warning: type 
qualifiers ignored on cast result type [-Wignored-qualifiers]
     267 |   return {static_cast<int64_t>(static_cast<const 
int32_t>(ymd.year())),
         |                                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   ../src/arrow/compute/kernels/scalar_temporal_unary.cc:268:32: warning: type 
qualifiers ignored on cast result type [-Wignored-qualifiers]
     268 |           static_cast<int64_t>(static_cast<const 
uint32_t>(ymd.month())),
         |                                
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   ../src/arrow/compute/kernels/scalar_temporal_unary.cc:269:32: warning: type 
qualifiers ignored on cast result type [-Wignored-qualifiers]
     269 |           static_cast<int64_t>(static_cast<const 
uint32_t>(ymd.day()))};
   ```
   
   ### Component(s)
   
   C++


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