rust/rust-pr48362-libdir-relative.patch
Josh Stone 1fe43a8148 rhbz1546541: drop full-bootstrap; cmp libs before symlinking.
Backport pr46592 to fix local_rebuild bootstrapping.
Backport pr48362 to fix relative/absolute libdir.
2018-02-19 17:00:48 -08:00

65 lines
2.5 KiB
Diff

diff --git a/src/bootstrap/builder.rs b/src/bootstrap/builder.rs
index 66a1c9724620..fcb78c479fa2 100644
--- a/src/bootstrap/builder.rs
+++ b/src/bootstrap/builder.rs
@@ -444,10 +444,11 @@ impl<'a> Builder<'a> {
fn run(self, builder: &Builder) -> Interned<PathBuf> {
let compiler = self.compiler;
- let lib = if compiler.stage >= 1 && builder.build.config.libdir.is_some() {
- builder.build.config.libdir.clone().unwrap()
+ let config = &builder.build.config;
+ let lib = if compiler.stage >= 1 && config.libdir_relative().is_some() {
+ builder.build.config.libdir_relative().unwrap()
} else {
- PathBuf::from("lib")
+ Path::new("lib")
};
let sysroot = builder.sysroot(self.compiler).join(lib)
.join("rustlib").join(self.target).join("lib");
diff --git a/src/bootstrap/compile.rs b/src/bootstrap/compile.rs
index 2dcc0e0e7cd9..c85b04ddc024 100644
--- a/src/bootstrap/compile.rs
+++ b/src/bootstrap/compile.rs
@@ -516,8 +516,7 @@ fn rustc_cargo_env(build: &Build, cargo: &mut Command) {
.env("CFG_VERSION", build.rust_version())
.env("CFG_PREFIX", build.config.prefix.clone().unwrap_or_default());
- let libdir_relative =
- build.config.libdir.clone().unwrap_or(PathBuf::from("lib"));
+ let libdir_relative = build.config.libdir_relative().unwrap_or(Path::new("lib"));
cargo.env("CFG_LIBDIR_RELATIVE", libdir_relative);
// If we're not building a compiler with debugging information then remove
diff --git a/src/bootstrap/config.rs b/src/bootstrap/config.rs
index 812ca6d64fb6..3cf8f36df25e 100644
--- a/src/bootstrap/config.rs
+++ b/src/bootstrap/config.rs
@@ -17,7 +17,7 @@ use std::collections::{HashMap, HashSet};
use std::env;
use std::fs::File;
use std::io::prelude::*;
-use std::path::PathBuf;
+use std::path::{Path, PathBuf};
use std::process;
use std::cmp;
@@ -564,6 +564,17 @@ impl Config {
config
}
+ /// Try to find the relative path of `libdir`.
+ pub fn libdir_relative(&self) -> Option<&Path> {
+ let libdir = self.libdir.as_ref()?;
+ if libdir.is_relative() {
+ Some(libdir)
+ } else {
+ // Try to make it relative to the prefix.
+ libdir.strip_prefix(self.prefix.as_ref()?).ok()
+ }
+ }
+
pub fn verbose(&self) -> bool {
self.verbose > 0
}