libsqlite3-sys fails to build on arm64: error[E0308]: mismatched types

[yurivict]

2330 |         fn prepare(
     |            ^^^^^^^
2331 |             self,
2332 |             sql: *const i8,
     |             --------------
2333 |             tail: *mut *const i8,
     |             --------------------
2334 |             vm: &VirtualMachine,
     |             -------------------

error[E0308]: mismatched types
    --> stdlib/src/sqlite.rs:2203:33
     |
2203 |             let st = db.prepare(sql_cstr.as_ptr(), &mut tail, vm)?;
     |                         ------- ^^^^^^^^^^^^^^^^^ expected `*const i8`, found `*const u8`
     |                         |
     |                         arguments to this method are incorrect
     |
     = note: expected raw pointer `*const i8`
                found raw pointer `*const u8`
note: method defined here
    --> stdlib/src/sqlite.rs:2330:12
     |
2330 |         fn prepare(
     |            ^^^^^^^
2331 |             self,
2332 |             sql: *const i8,
     |             --------------

error[E0308]: mismatched types
    --> stdlib/src/sqlite.rs:2209:48
     |
2203 |             let st = db.prepare(sql_cstr.as_ptr(), &mut tail, vm)?;
     |                                                         ---- here the type of `tail` is inferred to be `*const i8`
...
2209 |             let tail = unsafe { CStr::from_ptr(tail) };
     |                                 -------------- ^^^^ expected `*const u8`, found `*const i8`
     |                                 |
     |                                 arguments to this function are incorrect
     |
     = note: expected raw pointer `*const u8`
                found raw pointer `*const i8`
note: associated function defined here
    --> /wrkdirs/usr/ports/lang/rust/work/rustc-1.75.0-src/library/core/src/ffi/c_str.rs:262:25

error[E0308]: mismatched types
    --> stdlib/src/sqlite.rs:2312:21
     |
2311 |                 sqlite3_open_v2(
     |                 --------------- arguments to this function are incorrect
2312 |                     path,
     |                     ^^^^ expected `*const u8`, found `*const i8`
     |
     = note: expected raw pointer `*const u8`
                found raw pointer `*const i8`
note: function defined here
    --> /wrkdirs/usr/ports/lang/rustpython/work/target/aarch64-unknown-freebsd/release/build/libsqlite3-sys-93b5049a37d78fdc/out/bindgen.rs:1919:12
     |
1919 |     pub fn sqlite3_open_v2(
     |            ^^^^^^^^^^^^^^^

error[E0308]: arguments to this function are incorrect
    --> stdlib/src/sqlite.rs:2337:32
     |
2337 |             let ret = unsafe { sqlite3_prepare_v2(self.db, sql, -1, &mut st, tail) };
     |                                ^^^^^^^^^^^^^^^^^^
     |
note: expected `*const u8`, found `*const i8`
    --> stdlib/src/sqlite.rs:2337:60
     |
2337 |             let ret = unsafe { sqlite3_prepare_v2(self.db, sql, -1, &mut st, tail) };
     |                                                            ^^^
     = note: expected raw pointer `*const u8`
                found raw pointer `*const i8`
note: expected `*mut *const u8`, found `*mut *const i8`
    --> stdlib/src/sqlite.rs:2337:78
     |
2337 |             let ret = unsafe { sqlite3_prepare_v2(self.db, sql, -1, &mut st, tail) };
     |                                                                              ^^^^
     = note: expected raw pointer `*mut *const u8`
                found raw pointer `*mut *const i8`
note: function defined here
    --> /wrkdirs/usr/ports/lang/rustpython/work/target/aarch64-unknown-freebsd/release/build/libsqlite3-sys-93b5049a37d78fdc/out/bindgen.rs:2022:12
     |
2022 |     pub fn sqlite3_prepare_v2(
     |            ^^^^^^^^^^^^^^^^^^

error[E0308]: mismatched types
    --> stdlib/src/sqlite.rs:2440:30
     |
2439 |                 sqlite3_create_function_v2(
     |                 -------------------------- arguments to this function are incorrect
2440 |                     self.db, name, narg, flags, data, func, step, finalize, destroy,
     |                              ^^^^ expected `*const u8`, found `*const i8`
     |
     = note: expected raw pointer `*const u8`
                found raw pointer `*const i8`
note: function defined here
    --> /wrkdirs/usr/ports/lang/rustpython/work/target/aarch64-unknown-freebsd/release/build/libsqlite3-sys-93b5049a37d78fdc/out/bindgen.rs:2395:12
     |
2395 |     pub fn sqlite3_create_function_v2(
     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^

Revision: 93b5049a37d78fdc
Observed while building the FreeBSD package rustpython-0.2.0 from the port lang/rustpython.
FreeBSD 14.0

[gwenn]

Could you please try (if you don't have already) to force bindings generation with this features: buildtime_bindgen ?
Thanks.

[yurivict]

Unfortunately I don't have access to the arm64 system.
The failures occur on the build servers, and I only see the fallout logs.