compiler/rustc_codegen_ssa/src/back/archive.rs

   1 use rustc_session::Session;
   2 use rustc_span::symbol::Symbol;
   3
   4 use std::io;
   5 use std::path::{Path, PathBuf};
   6
   7 pub fn find_library(name: Symbol, search_paths: &[PathBuf], sess: &Session) -> PathBuf {
   8     // On Windows, static libraries sometimes show up as libfoo.a and other
   9     // times show up as foo.lib
  10     let oslibname = format!(
  11         "{}{}{}",
  12         sess.target.target.options.staticlib_prefix,
  13         name,
  14         sess.target.target.options.staticlib_suffix
  15     );
  16     let unixlibname = format!("lib{}.a", name);
  17
  18     for path in search_paths {
  19         debug!("looking for {} inside {:?}", name, path);
  20         let test = path.join(&oslibname);
  21         if test.exists() {
  22             return test;
  23         }
  24         if oslibname != unixlibname {
  25             let test = path.join(&unixlibname);
  26             if test.exists() {
  27                 return test;
  28             }
  29         }
  30     }
  31     sess.fatal(&format!(
  32         "could not find native static library `{}`, \
  33                          perhaps an -L flag is missing?",
  34         name
  35     ));
  36 }
  37
  38 pub trait ArchiveBuilder<'a> {
  39     fn new(sess: &'a Session, output: &Path, input: Option<&Path>) -> Self;
  40
  41     fn add_file(&mut self, path: &Path);
  42     fn remove_file(&mut self, name: &str);
  43     fn src_files(&mut self) -> Vec<String>;
  44
  45     fn add_rlib(
  46         &mut self,
  47         path: &Path,
  48         name: &str,
  49         lto: bool,
  50         skip_objects: bool,
  51     ) -> io::Result<()>;
  52     fn add_native_library(&mut self, name: Symbol);
  53     fn update_symbols(&mut self);
  54
  55     fn build(self);
  56 }