BUG: 32 bit build does not work with -Werror #46360
Description
Pandas version checks
- I have checked that this issue has not already been reported.
- I have confirmed this bug exists on the latest version of pandas.
- I have confirmed this bug exists on the main branch of pandas.
Reproducible Example
PANDAS_CI=1 python setup.py build_ext Issue Description
pandas/_libs/hashtable.c: In function ‘__pyx_f_6pandas_5_libs_9hashtable_value_count_complex128’: pandas/_libs/hashtable.c:70107:33: error: comparison of integer expressions of different signedness: ‘Py_ssize_t’ {aka ‘int’} and ‘khuint_t’ {aka ‘unsigned int’} [-Werror=sign-compare] 70107 | for (__pyx_t_3 = 0; __pyx_t_3 < __pyx_t_16; __pyx_t_3+=1) { | ^ Issue seems to be that this range has a signed int counter that is compare to an unsigned int limit: