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Auto merge of #122911 - Nilstrieb:live-love-patch, r=clubby789

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Fix nix patching for LLVM 18

LLVM 18 now ships `libLLVM*.so.*`, so `.so` is not the sole extension anymore, which breaks the dylib detection. Oops! Adjust it to only search for `.so` somewhere.

fixes #122906
This commit is contained in:
bors 2024-03-23 02:41:00 +00:00
commit c3b05c6e5b
2 changed files with 19 additions and 8 deletions
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12
src/bootstrap/bootstrap.py
View File

@ -612,8 +612,14 @@ class RustBuild(object):
self.fix_bin_or_dylib("{}/libexec/rust-analyzer-proc-macro-srv".format(bin_root))
lib_dir = "{}/lib".format(bin_root)
for lib in os.listdir(lib_dir):
if lib.endswith(".so"):
self.fix_bin_or_dylib(os.path.join(lib_dir, lib))
# .so is not necessarily the suffix, there can be version numbers afterwards.
if ".so" in lib:
elf_path = os.path.join(lib_dir, lib)
with open(elf_path, "rb") as f:
magic = f.read(4)
# Patchelf will skip non-ELF files, but issue a warning.
if magic == b"\x7fELF":
self.fix_bin_or_dylib(elf_path)
with output(self.rustc_stamp()) as rust_stamp:
rust_stamp.write(key)
@ -725,7 +731,7 @@ class RustBuild(object):
os.path.join(os.path.realpath(nix_deps_dir), "lib")
]
patchelf_args = ["--set-rpath", ":".join(rpath_entries)]
if not fname.endswith(".so"):
if ".so" not in fname:
# Finally, set the correct .interp for binaries
with open("{}/nix-support/dynamic-linker".format(nix_deps_dir)) as dynamic_linker:
patchelf_args += ["--set-interpreter", dynamic_linker.read().rstrip()]

15
src/bootstrap/src/core/download.rs
View File

@ -1,6 +1,6 @@
use std::{
env,
ffi::{OsStr, OsString},
ffi::OsString,
fs::{self, File},
io::{BufRead, BufReader, BufWriter, ErrorKind, Write},
path::{Path, PathBuf},
@ -183,7 +183,7 @@ fn fix_bin_or_dylib(&self, fname: &Path) {
entries
};
patchelf.args(&[OsString::from("--set-rpath"), rpath_entries]);
if !fname.extension().map_or(false, |ext| ext == "so") {
if !path_is_dylib(fname) {
// Finally, set the correct .interp for binaries
let dynamic_linker_path = nix_deps_dir.join("nix-support/dynamic-linker");
// FIXME: can we support utf8 here? `args` doesn't accept Vec<u8>, only OsString ...
@ -440,7 +440,7 @@ pub(crate) fn maybe_download_rustfmt(&self) -> Option<PathBuf> {
let lib_dir = bin_root.join("lib");
for lib in t!(fs::read_dir(&lib_dir), lib_dir.display().to_string()) {
let lib = t!(lib);
if lib.path().extension() == Some(OsStr::new("so")) {
if path_is_dylib(&lib.path()) {
self.fix_bin_or_dylib(&lib.path());
}
}
@ -545,7 +545,7 @@ fn download_toolchain(
let lib_dir = bin_root.join("lib");
for lib in t!(fs::read_dir(&lib_dir), lib_dir.display().to_string()) {
let lib = t!(lib);
if lib.path().extension() == Some(OsStr::new("so")) {
if path_is_dylib(&lib.path()) {
self.fix_bin_or_dylib(&lib.path());
}
}
@ -697,7 +697,7 @@ pub(crate) fn maybe_download_ci_llvm(&self) {
let llvm_lib = llvm_root.join("lib");
for entry in t!(fs::read_dir(llvm_lib)) {
let lib = t!(entry).path();
if lib.extension().map_or(false, |ext| ext == "so") {
if path_is_dylib(&lib) {
self.fix_bin_or_dylib(&lib);
}
}
@ -743,3 +743,8 @@ fn download_ci_llvm(&self, llvm_sha: &str) {
self.unpack(&tarball, &llvm_root, "rust-dev");
}
}
fn path_is_dylib(path: &Path) -> bool {
// The .so is not necessarily the extension, it might be libLLVM.so.18.1
path.to_str().map_or(false, |path| path.contains(".so"))
}