Hi, While I am building coreutils with musl on aarch64 (RaspberryPi 3B), this error is thrown: lib/freadseek.c: In function 'freadptrinc': lib/freadseek.c:69:3: error: #error "Please port gnulib freadseek.c to your platform! Look at the definition of getc, getc_unlocked on your system, then report this to bug-gnulib." #error "Please port gnulib freadseek.c to your platform! Look at the definition of getc, getc_unlocked on your system, then report this to bug-gnulib." ^~~~~ getc: https://u7535577.ct.sendgrid.net/wf/click?upn=S8VPHvg5-2FzxqlLfWXPq42uBAM3WMrVMc8DtY8kzpfUhsXgaSiIApYy2zFFlvUa0LB4WBhnR6CymUusrbxxZZdNGUIiFoMSTChgP-2BgUvriWg-3D_xXjksHEkT5Azm40kLn-2F-2BTLbhdQ6JTRXNvWHWgEemmRnQx9TVIC5eV3l8gvZdu0d16fqA6dpBFLewiTcdWYVor4h9U7yCAw6kftsjXXzJhNtR7GK-2B5tyuihofC5nvEidUQxwmKirLdqad59ouCwMjZPOyY5NpiJyWeJWQQPnd3NWKKZzs1OPwTtHd0Ueu8FrPG2UBgzbHeV1sDFfcu-2B4UGw-3D-3D <https://u7535577.ct.sendgrid.net/wf/click?upn=S8VPHvg5-2FzxqlLfWXPq42uBAM3WMrVMc8DtY8kzpfUhsXgaSiIApYy2zFFlvUa0LB4WBhnR6CymUusrbxxZZdNGUIiFoMSTChgP-2BgUvriWg-3D_xXjksHEkT5Azm40kLn-2F-2BTLbhdQ6JTRXNvWHWgEemmRnQx9TVIC5eV3l8gvZdu0d17e8H6veFbZjK4uvAJYJO24lP5VajaQJxvc6u05Nbfn2C7KKNgROUfjYleJNBvCnPoMvs0dxUa5MS4VcgHfHFUm5OZ-2FX4Q2nyS6gIidh4rQCMlCgSfKK9FQbIRVT3lW5uAUo4mooOubfIjiwSJjeSzw-3D-3D> https://u7535577.ct.sendgrid.net/wf/click?upn=S8VPHvg5-2FzxqlLfWXPq42uBAM3WMrVMc8DtY8kzpfUhsXgaSiIApYy2zFFlvUa0LB4WBhnR6CymUusrbxxZZdE8M5rfp7Y15d22grTN2dho-3D_xXjksHEkT5Azm40kLn-2F-2BTLbhdQ6JTRXNvWHWgEemmRnQx9TVIC5eV3l8gvZdu0d1SdWFQl14w6P0jDD3TexWU9N3J-2BClKzbD6jT3KNzGn6jbQn2qt5twjAZ3ldeuNmzE5HaCGnU-2F9u7dUVvTCI1fHHEz1zpRTqzr1pwMQZccJeaSNzf5LD319A6kQpEsM3PSPGnv9vfp31AxM2-2B98Zp-2BWg-3D-3D <https://u7535577.ct.sendgrid.net/wf/click?upn=S8VPHvg5-2FzxqlLfWXPq42uBAM3WMrVMc8DtY8kzpfUhsXgaSiIApYy2zFFlvUa0LB4WBhnR6CymUusrbxxZZdE8M5rfp7Y15d22grTN2dho-3D_xXjksHEkT5Azm40kLn-2F-2BTLbhdQ6JTRXNvWHWgEemmRnQx9TVIC5eV3l8gvZdu0d1AqJtTH-2Fx6KgCpDF5kDGtDzB26iLp75UiIxFQkMLSDw49naRpEa3KP0AFwXkkTUpbHv-2BIkKuRjF-2FXt3kqsttT79y0pU2fRyLxjeNepJprhj-2F7wJ9WJOq1sAVQfMtVDipOeuXbF0ujx-2BGbH-2FJsOZL4IQ-3D-3D>
getc_unlocked: https://u7535577.ct.sendgrid.net/wf/click?upn=S8VPHvg5-2FzxqlLfWXPq42uBAM3WMrVMc8DtY8kzpfUhsXgaSiIApYy2zFFlvUa0LKm-2B5WaPZP3-2Fk-2BRAjlSNcJsG5q5UHqswr0CS5BsM7DcEnZyH6Y5D3ZnkZJMuHX6e3_xXjksHEkT5Azm40kLn-2F-2BTLbhdQ6JTRXNvWHWgEemmRnQx9TVIC5eV3l8gvZdu0d1KfUUvoAvTTvcfsEGzGVgexFQEj7K3vsbk0jIvG91UKAUAJq82wUfEDExggA5d0w5BeHuaea6Wib2ru2YDKe04O9nMuHj3DWL865qz4NpbpaA2rZXTfNcVPFCU7gB1PQ00TxJFf2EDiIsgzcCN7RXqw-3D-3D #define getc_unlocked(f) \ ( ((f)->rpos != (f)->rend) ? *(f)->rpos++ : __uflow((f)) ) -- Necktwi
