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detect host triplet when finding rust-lld

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ParkerTomatoes 2021-04-29 14:03:38 -04:00 committed by Fabian
parent 5b79e47bc9
commit b11c54cd5a
1 changed files with 13 additions and 5 deletions
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18
tools/rust-lld-wrapper
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@ -5,6 +5,7 @@
import sys
import subprocess
import re
from os import path
def main():
@ -33,6 +34,16 @@ def main():
result.check_returncode()
def find_host_triplet():
rustc = subprocess.run(["rustc", "--version", "--verbose"], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
rustc.check_returncode()
rustc_details = rustc.stdout.decode("utf8")
host = re.search(r"host: (.*)", rustc_details)
if host is None:
raise ValueError("unexpected rustc output")
return host.group(1)
def find_rust_lld():
which = subprocess.run(["rustup", "which", "rustc"], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
which.check_returncode()
@ -41,12 +52,9 @@ def find_rust_lld():
assert path.basename(rustc_path) == "rustc"
bin_path = path.dirname(rustc_path)
rust_lld_path = path.join(bin_path, "../lib/rustlib/x86_64-unknown-linux-gnu/bin/rust-lld")
triplet = find_host_triplet()
if path.isfile(rust_lld_path):
return rust_lld_path
rust_lld_path = path.join(bin_path, "../lib/rustlib/i686-unknown-linux-gnu/bin/rust-lld")
rust_lld_path = path.join(bin_path, "../lib/rustlib", triplet, "bin/rust-lld")
assert path.isfile(rust_lld_path)
return rust_lld_path