Refactor build.rs

.github/workflows/test.yaml

@@ -11,7 +11,7 @@ jobs:
       matrix:
         os:
           - ubuntu-latest
-          - macos-14
+          - macos-latest
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4

build.rs

@@ -6,14 +6,15 @@ use std::{
     str,
 };
 
-#[cfg(feature = "llvm16-0")]
-const LLVM_MAJOR_VERSION: usize = 16;
-#[cfg(feature = "llvm17-0")]
-const LLVM_MAJOR_VERSION: usize = 17;
-#[cfg(feature = "llvm18-0")]
-const LLVM_MAJOR_VERSION: usize = 18;
-#[cfg(feature = "llvm19-0")]
-const LLVM_MAJOR_VERSION: usize = 19;
+const LLVM_MAJOR_VERSION: usize = if cfg!(feature = "llvm16-0") {
+    16
+} else if cfg!(feature = "llvm17-0") {
+    17
+} else if cfg!(feature = "llvm18-0") {
+    18
+} else {
+    19
+};
 
 fn main() {
     if let Err(error) = run() {
@@ -36,14 +37,9 @@ fn run() -> Result<(), Box<dyn Error>> {
     println!("cargo:rerun-if-changed=wrapper.h");
     println!("cargo:rerun-if-changed=cc");
     println!("cargo:rustc-link-search={}", llvm_config("--libdir")?);
-    println!("cargo:rustc-link-lib=static=LLVMCore");
-    println!("cargo:rustc-link-lib=static=LLVMSupport");
-    println!("cargo:rustc-link-lib=static=LLVMTableGen");
 
     for name in llvm_config("--libnames")?.trim().split(' ') {
-        if let Some(name) = trim_library_name(name) {
-            println!("cargo:rustc-link-lib={}", name);
-        }
+        println!("cargo:rustc-link-lib=static={}", parse_library_name(name)?);
     }
 
     for flag in llvm_config("--system-libs")?.trim().split(' ') {
@@ -59,20 +55,15 @@ fn run() -> Result<(), Box<dyn Error>> {
             );
             println!(
                 "cargo:rustc-link-lib={}",
-                path.file_name()
-                    .unwrap()
-                    .to_str()
-                    .unwrap()
-                    .split_once('.')
-                    .unwrap()
-                    .0
-                    .trim_start_matches("lib")
+                parse_library_name(path.file_name().unwrap().to_str().unwrap())?
             );
         } else {
             println!("cargo:rustc-link-lib={}", flag);
         }
     }
 
+    println!("cargo:rustc-link-lib=ffi");
+
     if let Some(name) = get_system_libcpp() {
         println!("cargo:rustc-link-lib={}", name);
     }
@@ -100,7 +91,7 @@ fn run() -> Result<(), Box<dyn Error>> {
 
     bindgen::builder()
         .header("wrapper.h")
-        .clang_arg(format!("-I{}", "cc/include"))
+        .clang_arg("-Icc/include")
         .clang_arg(format!("-I{}", llvm_config("--includedir")?))
         .default_enum_style(bindgen::EnumVariation::ModuleConsts)
         .parse_callbacks(Box::new(bindgen::CargoCallbacks::new()))
@@ -143,10 +134,8 @@ fn llvm_config(argument: &str) -> Result<String, Box<dyn Error>> {
     .to_string())
 }
 
-fn trim_library_name(name: &str) -> Option<&str> {
-    if let Some(name) = name.strip_prefix("lib") {
-        name.strip_suffix(".a")
-    } else {
-        None
-    }
+fn parse_library_name(name: &str) -> Result<&str, String> {
+    name.strip_prefix("lib")
+        .and_then(|name| name.split('.').next())
+        .ok_or_else(|| format!("failed to parse library name: {}", name))
 }

tools/setup.sh

@@ -5,9 +5,11 @@ set -e
 llvm_version=19
 
 brew update
-brew install llvm@$llvm_version z3
+brew install llvm@$llvm_version
 
-echo TABLEGEN_190_PREFIX=$(brew --prefix)/opt/llvm@$llvm_version >>$GITHUB_ENV
-echo PATH=$(brew --prefix)/opt/llvm@$llvm_version/bin:$PATH >>$GITHUB_ENV
+llvm_prefix=$(brew --prefix llvm@$llvm_version)
+
+echo TABLEGEN_190_PREFIX=$llvm_prefix >>$GITHUB_ENV
+echo PATH=$llvm_prefix/bin:$PATH >>$GITHUB_ENV
 echo LIBRARY_PATH=$(brew --prefix)/lib:$LIBRARY_PATH >>$GITHUB_ENV
 echo LD_LIBRARY_PATH=$(brew --prefix)/lib:$LD_LIBRARY_PATH >>$GITHUB_ENV