trussed-dev / littlefs2

I'm trying to build an empty project with littlefs2 as the sole dependency, and I am getting a build error. The error message says that that some value was expected to be a u32, but is actually an i32. Here's the full build output from my build invocation of cargo build:

   Compiling version_check v0.9.4
   Compiling proc-macro2 v1.0.56
   Compiling quote v1.0.26
   Compiling unicode-ident v1.0.8
   Compiling glob v0.3.1
   Compiling winapi v0.3.9
   Compiling memchr v2.5.0
   Compiling libc v0.2.141
   Compiling semver v1.0.17
   Compiling bindgen v0.56.0
   Compiling nom v5.1.2
   Compiling autocfg v1.1.0
   Compiling regex-syntax v0.6.29
   Compiling clang-sys v1.6.1
   Compiling lock_api v0.4.9
   Compiling rustc-hash v1.1.0
   Compiling lazy_static v1.4.0
   Compiling shlex v0.1.1
   Compiling lazycell v1.3.0
   Compiling peeking_take_while v0.1.2
   Compiling bitflags v1.3.2
   Compiling libloading v0.7.4
   Compiling rustc_version v0.4.0
   Compiling log v0.4.17
   Compiling scopeguard v1.1.0
   Compiling typenum v1.16.0
   Compiling serde_derive v1.0.160
   Compiling cc v1.0.79
   Compiling heapless v0.7.16
   Compiling syn v2.0.15
   Compiling generic-array v0.14.7
   Compiling regex v1.7.3
   Compiling byteorder v1.4.3
   Compiling cty v0.2.2
   Compiling delog v0.1.6
   Compiling serde v1.0.160
   Compiling cexpr v0.4.0
   Compiling cfg-if v1.0.0
   Compiling hash32 v0.2.1
   Compiling spin v0.9.8
   Compiling stable_deref_trait v1.2.0
   Compiling cstr_core v0.2.6
   Compiling littlefs2-sys v0.1.7
   Compiling littlefs2 v0.4.0
error[E0308]: mismatched types
   --> C:\Users\<redacted>\.cargo\registry\src\github.com-1ecc6299db9ec823\littlefs2-0.4.0\src\fs.rs:212:13
    |
211 |         let file_type = match info.type_ as u32 {
    |                               ----------------- this expression has type `u32`
212 |             ll::lfs_type_LFS_TYPE_DIR => FileType::Dir,
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^ expected `u32`, found `i32`

error[E0308]: mismatched types
   --> C:\Users\<redacted>\.cargo\registry\src\github.com-1ecc6299db9ec823\littlefs2-0.4.0\src\fs.rs:213:13
    |
211 |         let file_type = match info.type_ as u32 {
    |                               ----------------- this expression has type `u32`
212 |             ll::lfs_type_LFS_TYPE_DIR => FileType::Dir,
213 |             ll::lfs_type_LFS_TYPE_REG => FileType::File,
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^ expected `u32`, found `i32`

For more information about this error, try `rustc --explain E0308`.
error: could not compile `littlefs2` due to 2 previous errors

System information:

Edition	Windows 11 Home
Version	22H2
OS build	22621.1555
Experience	Windows Feature Experience Pack 1000.22640.1000.0

I am building from Git-bash (MINGW64) with the following uname -a ouput:
MINGW64_NT-10.0-22621 _<REDACTED>_ 3.1.7-340.x86_64 2021-03-26 22:17 UTC x86_64 Msys

cargo version:
cargo 1.68.2 (6feb7c9cf 2023-03-26)

rustc version:
rustc 1.68.2 (9eb3afe9e 2023-03-27)

Also I'm not sure if it's relevant, but this is my clang version info:

clang version 16.0.0
Target: x86_64-pc-windows-msvc
Thread model: posix
InstalledDir: C:\Program Files\LLVM\bin

Hopefully, I have provided enough information, or am just doing something silly. Please advise if you need more information.

Possibly related:

rust-lang/rust-bindgen#1361

littlefs2/src/fs.rs

Line 211 in f906960

let file_type = match info.type_ as u32 {

This should be as lfs_type instead of as u32.

Build error in 0.4.0