Set min support rust version to 1.82 and test 1.82-1.84 (#2)

* Run workflow on multiple versions of rustc.

* It seems the unsafe extern issue was fixed in 1.82 so min version will be 1.82 and we will test 1.82 to 1.84.

* Remove workaround instructions from README as no longer necessary.

Author: alexgeek

.github/workflows/rust.yml

@@ -11,17 +11,22 @@ env:
 
 jobs:
   build:
-    name: "Build and test ${{ matrix.os }}"
-    runs-on:  ${{ matrix.os }}
+    name: "Build and test ${{ matrix.os }} with Rust ${{ matrix.rustc-version }}"
+    runs-on: ${{ matrix.os }}
     strategy:
       matrix:
         os: [windows-latest, ubuntu-latest, macOS-latest]
+        rustc-version: [1.82.0, 1.83.0, 1.84.0]
       fail-fast: false
 
     steps:
     - uses: actions/checkout@v4
       with:
         submodules: true
+    - name: Install Rust ${{ matrix.rustc-version }}
+      run: |
+        rustup install ${{ matrix.rustc-version }}
+        rustup default ${{ matrix.rustc-version }}
     - name: Build
       run: cargo build --verbose
     - name: Run tests

Cargo.toml

@@ -2,6 +2,7 @@
 name = "openvr_sys"
 version = "2.1.0"
 edition = "2021"
+rust-version = "1.82.0"
 authors = [
     "Colin Sherratt",
     "Erick Tryzelaar",

README.md

@@ -6,23 +6,4 @@ Contains function definitions for the [OpenVR](https://github.com/ValveSoftware/
 
 1. `git submodule update --init --recursive` (initial checkout only)
 1. `git submodule foreach git pull origin master` to update the submodule 
-1. `cargo build --features "buildtime_bindgen"` to update the bindings
-1. Apply the workaround for broken OpenVR ABIs, if required
 
-## Workaround for broken OpenVR ABIs (Linux/macOS only)
-
-Search for packed structs in `headers/openvr.h`, i.e., `#pragma pack( push, 4 )`. Currently, that is:
-
-```
-VRControllerState_t
-RenderModel_TextureMap_t
-RenderModel_t
-VREvent_t
-```
-
-Depending on what bindgen did parse, you have to replace a bunch of `#[repr(C)]` and `#[repr(C, packed(4))]` precending those structs in `bindings.rs` with:
-
-```rust
-#[repr(C)]
-#[cfg_attr(unix, repr(packed(4)))]
-```