1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
use rustc_data_structures::temp_dir::MaybeTempDir;
use rustc_session::cstore::DllImport;
use rustc_session::Session;
use std::io;
use std::path::{Path, PathBuf};
pub(super) fn find_library(
name: &str,
verbatim: bool,
search_paths: &[PathBuf],
sess: &Session,
) -> PathBuf {
// On Windows, static libraries sometimes show up as libfoo.a and other
// times show up as foo.lib
let oslibname = if verbatim {
name.to_string()
} else {
format!("{}{}{}", sess.target.staticlib_prefix, name, sess.target.staticlib_suffix)
};
let unixlibname = format!("lib{}.a", name);
for path in search_paths {
debug!("looking for {} inside {:?}", name, path);
let test = path.join(&oslibname);
if test.exists() {
return test;
}
if oslibname != unixlibname {
let test = path.join(&unixlibname);
if test.exists() {
return test;
}
}
}
sess.fatal(&format!(
"could not find native static library `{}`, \
perhaps an -L flag is missing?",
name
));
}
pub trait ArchiveBuilder<'a> {
fn new(sess: &'a Session, output: &Path) -> Self;
fn add_file(&mut self, path: &Path);
fn add_archive<F>(&mut self, archive: &Path, skip: F) -> io::Result<()>
where
F: FnMut(&str) -> bool + 'static;
fn build(self) -> bool;
fn sess(&self) -> &Session;
/// Creates a DLL Import Library <https://docs.microsoft.com/en-us/windows/win32/dlls/dynamic-link-library-creation#creating-an-import-library>.
/// and returns the path on disk to that import library.
/// This functions doesn't take `self` so that it can be called from
/// `linker_with_args`, which is specialized on `ArchiveBuilder` but
/// doesn't take or create an instance of that type.
fn create_dll_import_lib(
sess: &Session,
lib_name: &str,
dll_imports: &[DllImport],
tmpdir: &Path,
) -> PathBuf;
/// Creates a DLL Import Library <https://docs.microsoft.com/en-us/windows/win32/dlls/dynamic-link-library-creation#creating-an-import-library>
/// and adds it to the current compilation's set of archives.
fn inject_dll_import_lib(
&mut self,
lib_name: &str,
dll_imports: &[DllImport],
tmpdir: &MaybeTempDir,
) {
let output_path =
Self::create_dll_import_lib(self.sess(), lib_name, dll_imports, tmpdir.as_ref());
self.add_archive(&output_path, |_| false).unwrap_or_else(|e| {
self.sess().fatal(&format!(
"failed to add native library {}: {}",
output_path.display(),
e
));
});
}
}
|
