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import os
from building import *
cwd = GetCurrentDir()
sys.path.append(os.path.join(cwd, '../tools'))
from build_support import (
detect_rust_target,
make_rustflags,
collect_features,
verify_rust_toolchain,
ensure_rust_target_installed,
cargo_build_staticlib,
clean_rust_build,
)
def _has(sym: str) -> bool:
try:
return bool(GetDepend([sym]))
except Exception:
return bool(GetDepend(sym))
# Source files – MSH command glue
src = ['rust_cmd.c']
LIBS = []
LIBPATH = []
if GetOption('clean'):
# Register Rust artifacts for cleaning
rust_build_dir = clean_rust_build(Dir('#').abspath)
if os.path.exists(rust_build_dir):
print(f'Registering {rust_build_dir} for cleanup')
Clean('.', rust_build_dir)
else:
print('No rust build artifacts to clean')
else:
if verify_rust_toolchain():
import rtconfig
target = detect_rust_target(_has, rtconfig)
if not target:
print('Error: Unable to detect Rust target; please check configuration')
else:
print(f'Detected Rust target: {target}')
# Optional hint if target missing
ensure_rust_target_installed(target)
# Build mode and features
debug = bool(_has('RUST_DEBUG_BUILD'))
features = collect_features(_has)
rustflags = make_rustflags(rtconfig, target)
rust_lib = cargo_build_staticlib(
rust_dir=cwd, target=target, features=features, debug=debug, rustflags=rustflags
)
if rust_lib:
LIBS = ['rt_rust']
LIBPATH = [os.path.dirname(rust_lib)]
print('Rust library linked successfully')
else:
print('Warning: Failed to build Rust library')
else:
print('Warning: Rust toolchain not found')
print('Please install Rust from https://rustup.rs')
# Define component group for SCons
group = DefineGroup('rust', src, depend=['RT_USING_RUST'], LIBS=LIBS, LIBPATH=LIBPATH)
Return('group')
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