Target MSRV when generating code via bindgen (#37)

- roll MSRV back to 1.78

.github/workflows/ci.yml

@@ -74,7 +74,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        msrv: ["1.82.0"]
+        msrv: ["1.78.0"]
         os: ["ubuntu", "macOS", "windows"]
     runs-on: ${{ matrix.os }}-latest
     steps:

CHANGELOG.md

@@ -6,19 +6,6 @@ All user visible changes to `tigerbeetle-unofficial`, `tigerbeetle-unofficial-co
 
 
 
-## master
-
-[Diff](/../../compare/v0.5.0%2B0.16.11...master) | [Milestone](/../../milestone/2)
-
-### BC Breaks
-
-- Bumped up [MSRV] to 1.82 due to used dependencies. ([#36])
-
-[#36]: /../../pull/36
-
-
-
-
 ## [0.5.0+0.16.11] · 2024-12-02
 [0.5.0+0.16.11]: /../../tree/v0.5.0%2B0.16.11
 

Cargo.toml

@@ -27,6 +27,6 @@ members = ["sys", "core"]
 [workspace.package]
 version = "0.5.0+0.16.11"
 authors = ["Daria Sukhonina <dariasukhonina@gmail.com>"]
-rust-version = "1.82"
+rust-version = "1.78"
 repository = "https://github.com/tigerbeetle-rust/tigerbeetle-unofficial"
 license = "MIT OR Apache-2.0"

README.md

@@ -2,7 +2,7 @@
 ========================
 
 [![crates.io](https://img.shields.io/crates/v/tigerbeetle-unofficial.svg "crates.io")](https://crates.io/crates/tigerbeetle-unofficial)
-[![Rust 1.82+](https://img.shields.io/badge/rustc-1.82+-lightgray.svg "Rust 1.82+")](https://blog.rust-lang.org/2024/10/17/Rust-1.82.0.html)  
+[![Rust 1.78+](https://img.shields.io/badge/rustc-1.78+-lightgray.svg "Rust 1.78+")](https://blog.rust-lang.org/2024/05/02/Rust-1.78.0.html)  
 [![CI](https://github.com/tigerbeetle-rust/tigerbeetle-unofficial/workflows/CI/badge.svg?branch=master "CI")](https://github.com/tigerbeetle-rust/tigerbeetle-unofficial/actions?query=workflow%3ACI+branch%3Amaster)
 [![Rust docs](https://docs.rs/tigerbeetle-unofficial/badge.svg "Rust docs")](https://docs.rs/tigerbeetle-unofficial)
 

sys/build.rs

@@ -150,7 +150,13 @@ fn main() {
         fs::copy("src/wrapper.h", &wrapper).expect("copying `wrapper.h`");
     };
 
+    // TODO: Detect automatically, without bringing in heavy dependencies like `cargo-metadata`.
+    // MSRV: 1.78.0
+    let msrv = bindgen::RustTarget::stable(78, 0)
+        .unwrap_or_else(|e| panic!("invalid MSRV specified for `bindgen`: {e}"));
+
     let bindings = bindgen::Builder::default()
+        .rust_target(msrv)
         .header(
             wrapper
                 .to_str()