ci: use clang-20 for tests

.github/workflows/ci.yaml

@@ -20,6 +20,7 @@ on:
 
 env:
   CARGO_TERM_COLOR: always
+  BOFLINK_TEST_CLANG: clang-20
 
 jobs:
   ci:
@@ -41,6 +42,6 @@ jobs:
       - name: Install CI deps
         if: runner.os == 'Linux'
         run: |
-          sudo apt-get install -y clang llvm
+          sudo apt-get install -y clang-20 llvm-20
 
       - run: cargo xtask ci

.github/workflows/release.yaml

@@ -10,6 +10,7 @@ env:
   CARGO_PROFILE_RELEASE_LTO: fat
   CARGO_PROFILE_RELEASE_STRIP: symbols
   CARGO_BUILD_DEP_INFO_BASEDIR: "."
+  BOFLINK_TEST_CLANG: clang-20
 
 concurrency:
   group: "release"
@@ -32,7 +33,7 @@ jobs:
       - name: Install system packages
         run: |
           sudo apt-get update -y
-          sudo apt-get install -y musl musl-dev musl-tools gcc-aarch64-linux-gnu libc6-arm64-cross clang llvm
+          sudo apt-get install -y musl musl-dev musl-tools gcc-aarch64-linux-gnu libc6-arm64-cross clang-20 llvm-20
 
       - name: Install rust targets
         run: rustup target add x86_64-unknown-linux-gnu x86_64-unknown-linux-musl aarch64-unknown-linux-gnu

tests/utils/tools.rs

@@ -21,7 +21,7 @@ pub struct Clang {
 impl std::default::Default for Clang {
     fn default() -> Self {
         Self {
-            exe: "clang".into(),
+            exe: option_env!("BOFLINK_TEST_CLANG").unwrap_or("clang").into(),
             #[cfg(windows)]
             target: "x86_64-pc-windows-msvc".into(),
             #[cfg(not(windows))]
@@ -149,7 +149,9 @@ pub struct Dlltool {
 impl std::default::Default for Dlltool {
     fn default() -> Self {
         Self {
-            exe: "llvm-dlltool".into(),
+            exe: option_env!("BOFLINK_TEST_DLLTOOL")
+                .unwrap_or("llvm-dlltool")
+                .into(),
             machine: "i386:x86-64".into(),
             dllname: String::new(),
             deffile: PathBuf::new(),