diff options
| -rw-r--r-- | build.rs | 41 |
1 files changed, 39 insertions, 2 deletions
@@ -1,6 +1,7 @@ use std::env; use std::fs; use std::path::Path; +use std::process::Command; const LINUX_CLANG_DIRS: &'static [&'static str] = &[ "/usr/lib", @@ -42,7 +43,10 @@ fn main() { format!("{}clang{}", env::consts::DLL_PREFIX, env::consts::DLL_SUFFIX) }; - let maybe_clang_dir = possible_clang_dirs.iter().filter_map(|candidate_dir| { + //may contain path to libclang detected via ldconfig + let mut libclang_path_string = String::new(); + + let mut maybe_clang_dir = possible_clang_dirs.iter().filter_map(|candidate_dir| { let clang_dir = Path::new(candidate_dir); let clang_path = clang_dir.join(clang_lib.clone()); if path_exists(&*clang_path) { @@ -51,6 +55,33 @@ fn main() { None } }).next(); + + if maybe_clang_dir == None && cfg!(target_os = "linux") { + //try to find via lddconfig + //may return line, like + //libclang.so.3.7 (libc6,x86-64) => /usr/lib64/libclang.so.3.7 + let lddresult = Command::new("/sbin/ldconfig") + .arg("-p") + .output(); + if lddresult.is_ok() { + let lddresult = lddresult.unwrap(); + let ldd_config_output = String::from_utf8_lossy(&lddresult.stdout).to_string(); + for line in ldd_config_output.lines() { + let line_trim = line.trim(); + if line_trim.starts_with(&*clang_lib) { + let last_word = line_trim.rsplit(" ").next(); + if let Some(last_word) = last_word { + let libclang_path = Path::new(last_word); + if path_exists(&libclang_path) { + libclang_path_string = last_word.to_owned(); + maybe_clang_dir = Path::new(&libclang_path_string).parent(); + } + } + break; + } + } + } + } macro_rules! qw { ($($i:ident)*) => (vec!($(stringify!($i)),*)); @@ -99,6 +130,7 @@ fn main() { clangTooling ]; + print!("cargo:rustc-flags="); for lib in libs { print!("-l static={} ", lib); @@ -106,7 +138,12 @@ fn main() { println!("-L {} -l ncursesw -l z -l stdc++", clang_dir.to_str().unwrap()); } else{ println!("cargo:rustc-link-search=native={}", clang_dir.to_str().unwrap()); - println!("cargo:rustc-link-lib=dylib=clang"); + if !libclang_path_string.is_empty() { + let libclang_path = Path::new(&libclang_path_string); + println!("cargo:rustc-link-lib=dylib=:{}", libclang_path.file_name().unwrap().to_str().unwrap()); + } else { + println!("cargo:rustc-link-lib=dylib=clang"); + } } } else { panic!("Unable to find {}", clang_lib); |