1 // SPDX-License-Identifier: Apache-2.0
42 /// script fails to link to an instance of `libclang`. For example, if
43 /// `llvm-config` couldn't be executed but an instance of `libclang` was found
64         if let Some(errors) = errors.get("llvm-config") {  in drop()
66                 "cargo:warning=could not execute `llvm-config` one or more \  in drop()
68                 a full path to valid `llvm-config` executable it will be used \  in drop()
69                 to try to find an instance of `libclang` on your system: {}",  in drop()
78         if let Some(errors) = errors.get("xcode-select") {  in drop()
80                 "cargo:warning=could not execute `xcode-select` one or more \  in drop()
82                 it will be used to try to find an instance of `libclang` on \  in drop()
96     Option<Box<dyn Fn(&str, &str, &[&str]) -> Option<String> + Send + Sync + 'static>>,
101 fn run_command(name: &str, path: &str, arguments: &[&str]) -> Option<String> {  in run_command()
125 /// Executes the `llvm-config` command and returns the `stdout` output if the
127 pub fn run_llvm_config(arguments: &[&str]) -> Option<String> {  in run_llvm_config()
128     let path = env::var("LLVM_CONFIG_PATH").unwrap_or_else(|_| "llvm-config".into());  in run_llvm_config()
129     run_command("llvm-config", &path, arguments)  in run_llvm_config()
132 /// Executes the `xcode-select` command and returns the `stdout` output if the
134 pub fn run_xcode_select(arguments: &[&str]) -> Option<String> {  in run_xcode_select()
135     run_command("xcode-select", "xcode-select", arguments)  in run_xcode_select()
142 // preference, so if multiple `libclang` instances
144 // the `libclang` instances from earlier
145 // directories will be preferred (though version
149 /// `libclang` directory patterns for Haiku.
151     "/boot/home/config/non-packaged/develop/lib",
152     "/boot/home/config/non-packaged/lib",
153     "/boot/system/non-packaged/develop/lib",
154     "/boot/system/non-packaged/lib",
159 /// `libclang` directory patterns for Linux (and FreeBSD).
170 /// `libclang` directory patterns for macOS.
178 /// `libclang` directory patterns for Windows.
185     // system-wide directories.
191     // https://github.com/KyleMayes/clang-sys/issues/121
195 /// `libclang` directory patterns for illumos
197     "/opt/ooce/llvm-*/lib",
198     "/opt/ooce/clang-*/lib",
207 fn search_directory(directory: &Path, filenames: &[String]) -> Vec<(PathBuf, String)> {  in search_directory()
232             // The `libclang_shared` library has been renamed to `libclang-cpp`  in search_directory()
234             // `libclang-cpp.so.10`) to be matched by patterns looking for  in search_directory()
235             // instances of `libclang`.  in search_directory()
236             if filename.contains("-cpp.") {  in search_directory()
248 fn search_directories(directory: &Path, filenames: &[String]) -> Vec<(PathBuf, String)> {  in search_directories()
251     // On Windows, `libclang.dll` is usually found in the LLVM `bin` directory  in search_directories()
252     // while `libclang.lib` is usually found in the LLVM `lib` directory. To  in search_directories()
264 /// Finds the `libclang` static or dynamic libraries matching one or more
266 pub fn search_libclang_directories(filenames: &[String], variable: &str) -> Vec<(PathBuf, String)> {  in search_libclang_directories()
286     // `llvm-config --prefix`.  in search_libclang_directories()
287     if let Some(output) = run_llvm_config(&["--prefix"]) {  in search_libclang_directories()
295     // `xcode-select --print-path`.  in search_libclang_directories()
297         if let Some(output) = run_xcode_select(&["--print-path"]) {  in search_libclang_directories()
311     // Determine the `libclang` directory patterns.  in search_libclang_directories()
342     // Search the directories provided by the `libclang` directory patterns.  in search_libclang_directories()