summaryrefslogtreecommitdiffstats
path: root/src/bootstrap/dylib_util.rs
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /src/bootstrap/dylib_util.rs
parentInitial commit. (diff)
downloadrustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz
rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/bootstrap/dylib_util.rs')
-rw-r--r--src/bootstrap/dylib_util.rs28
1 files changed, 28 insertions, 0 deletions
diff --git a/src/bootstrap/dylib_util.rs b/src/bootstrap/dylib_util.rs
new file mode 100644
index 000000000..6d75272c5
--- /dev/null
+++ b/src/bootstrap/dylib_util.rs
@@ -0,0 +1,28 @@
+// Various utilities for working with dylib paths.
+//
+// This file is meant to be included directly to avoid a dependency on the bootstrap library from
+// the rustc and rustdoc wrappers. This improves compilation time by reducing the linking time.
+
+/// Returns the environment variable which the dynamic library lookup path
+/// resides in for this platform.
+pub fn dylib_path_var() -> &'static str {
+ if cfg!(target_os = "windows") {
+ "PATH"
+ } else if cfg!(target_os = "macos") {
+ "DYLD_LIBRARY_PATH"
+ } else if cfg!(target_os = "haiku") {
+ "LIBRARY_PATH"
+ } else {
+ "LD_LIBRARY_PATH"
+ }
+}
+
+/// Parses the `dylib_path_var()` environment variable, returning a list of
+/// paths that are members of this lookup path.
+pub fn dylib_path() -> Vec<PathBuf> {
+ let var = match env::var_os(dylib_path_var()) {
+ Some(v) => v,
+ None => return vec![],
+ };
+ env::split_paths(&var).collect()
+}