INNER CODE UNIT · Python
check_arch
JuliaLang/julia · cli/test_import_library.py:17
def check_arch(self, arch, machine, use_lld=False):
prefix = arch + '-w64-mingw32-'
if not all(shutil.which(prefix + tool) for tool in ['gcc', 'dlltool', 'nm']):
self.skipTest(prefix + ' tools unavailable')
lld = os.environ.get('LLD', 'ld.lld')
if use_lld and not shutil.which(lld):
self.skipTest(lld + ' unavailable')
with tempfile.TemporaryDirectory() as tmp:
build = Path(tmp)
(build / 'toy.c').write_text(
'__declspec(dllexport) void jl_alloc_array_1d(void) {}\n'
'__declspec(dllexport) void jl_codegen_only(void) {}\n'
'__declspec(dllexport) int keep_data = 42;\n')
if use_lld:
subprocess.run([prefix + 'gcc', '-c', str(build / 'toy.c'),
'-o', str(build / 'toy.o')], check=True)
subprocess.run([lld, '-m', 'i386pep' if arch == 'x86_64' else 'i386pe',
'-shared', '-e', 'jl_codegen_only' if arch == 'x86_64' else '_jl_codegen_only',