Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Improve external MinGW detection #69351

Merged
merged 2 commits into from
Feb 23, 2020
Merged

Improve external MinGW detection #69351

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
b3b252b
Fix MinGW detection for Cygwin
mati865 Feb 21, 2020
4904b9c
Detect Chocolatey MinGW installation
mati865 Feb 21, 2020
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
24 changes: 15 additions & 9 deletions src/librustc_codegen_ssa/back/link.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1002,20 +1002,26 @@ fn get_crt_libs_path(sess: &Session) -> Option<PathBuf> {
x if x == "x86" => "i686",
x => x,
};
let mingw_bits = &sess.target.target.target_pointer_width;
let mingw_dir = format!("{}-w64-mingw32", mingw_arch);
// Here we have path/bin/gcc but we need path/
let mut path = linker_path;
path.pop();
path.pop();
// Based on Clang MinGW driver
let probe_path = path.join(&mingw_dir).join("lib");
if probe_path.exists() {
return Some(probe_path);
};
let probe_path = path.join(&mingw_dir).join("sys-root/mingw/lib");
if probe_path.exists() {
return Some(probe_path);
};
// Loosely based on Clang MinGW driver
let probe_paths = vec![
path.join(&mingw_dir).join("lib"), // Typical path
path.join(&mingw_dir).join("sys-root/mingw/lib"), // Rare path
path.join(format!(
"lib/mingw/tools/install/mingw{}/{}/lib",
&mingw_bits, &mingw_dir
)), // Chocolatey is creative
];
for probe_path in probe_paths {
if probe_path.join("crt2.o").exists() {
return Some(probe_path);
};
}
};
};
None
Expand Down