Try installing clang for build script

.github/workflows/ci.yml

@@ -71,6 +71,9 @@ jobs:
         with:
           toolchain: ${{ matrix.toolchain }}
 
+      - name: Install clang for build scripts
+        run: apt-get update -y && apt-get install -y clang
+
       - name: Hide duplicated warnings from lint job
         run: echo "::remove-matcher owner=clippy::"
 

ctru-rs/build.rs

@@ -24,6 +24,7 @@ fn main() {
     let romfs_path = PathBuf::from(format!("{manifest_dir}/{romfs_dir_setting}"));
 
     // Check if the romfs path exists so we can compile the module
+    println!("cargo:rustc-check-cfg=cfg(romfs_exists)");
     if romfs_path.exists() {
         println!("cargo:rustc-cfg=romfs_exists");
     }

ctru-sys/Cargo.toml

@@ -26,7 +26,6 @@ layout-tests = [
 ]
 
 [[test]]
-path = "tests/layout_test.rs"
 name = "layout_test"
 required-features = ["layout-tests"]
 

ctru-sys/build/test_gen.rs

@@ -17,7 +17,6 @@ use bindgen::callbacks::{
 use bindgen::FieldVisibilityKind;
 use proc_macro2::TokenStream;
 use quote::{format_ident, quote, TokenStreamExt};
-
 use regex::Regex;
 use rust_format::{Formatter, RustFmt};