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95 lines
3.2 KiB
95 lines
3.2 KiB
# -*- Python -*-
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import os
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import subprocess
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# Setup config name.
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config.name = 'CRT' + config.name_suffix
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# Setup source root.
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config.test_source_root = os.path.dirname(__file__)
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# Choose between lit's internal shell pipeline runner and a real shell. If
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# LIT_USE_INTERNAL_SHELL is in the environment, we use that as an override.
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use_lit_shell = os.environ.get("LIT_USE_INTERNAL_SHELL")
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if use_lit_shell:
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# 0 is external, "" is default, and everything else is internal.
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execute_external = (use_lit_shell == "0")
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else:
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# Otherwise we default to internal on Windows and external elsewhere, as
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# bash on Windows is usually very slow.
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execute_external = (not sys.platform in ['win32'])
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def get_library_path(file):
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cmd = subprocess.Popen([config.clang.strip(),
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config.target_cflags.strip(),
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'-print-file-name=%s' % file],
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stdout=subprocess.PIPE,
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env=config.environment,
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universal_newlines=True)
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if not cmd.stdout:
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lit_config.fatal("Couldn't find the library path for '%s'" % file)
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dir = cmd.stdout.read().strip()
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if sys.platform in ['win32'] and execute_external:
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# Don't pass dosish path separator to msys bash.exe.
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dir = dir.replace('\\', '/')
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return dir
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def get_libgcc_file_name():
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cmd = subprocess.Popen([config.clang.strip(),
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config.target_cflags.strip(),
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'-print-libgcc-file-name'],
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stdout=subprocess.PIPE,
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env=config.environment,
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universal_newlines=True)
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if not cmd.stdout:
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lit_config.fatal("Couldn't find the library path for '%s'" % file)
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dir = cmd.stdout.read().strip()
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if sys.platform in ['win32'] and execute_external:
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# Don't pass dosish path separator to msys bash.exe.
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dir = dir.replace('\\', '/')
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return dir
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def build_invocation(compile_flags):
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return ' ' + ' '.join([config.clang] + compile_flags) + ' '
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# Setup substitutions.
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config.substitutions.append(
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('%clang ', build_invocation([config.target_cflags])))
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config.substitutions.append(
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('%clangxx ',
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build_invocation(config.cxx_mode_flags + [config.target_cflags])))
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base_lib = os.path.join(
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config.compiler_rt_libdir, "clang_rt.%%s%s.o" % config.target_suffix)
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if sys.platform in ['win32'] and execute_external:
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# Don't pass dosish path separator to msys bash.exe.
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base_lib = base_lib.replace('\\', '/')
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config.substitutions.append(('%crtbegin', base_lib % "crtbegin"))
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config.substitutions.append(('%crtend', base_lib % "crtend"))
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config.substitutions.append(
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('%crt1', get_library_path('crt1.o')))
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config.substitutions.append(
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('%crti', get_library_path('crti.o')))
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config.substitutions.append(
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('%crtn', get_library_path('crtn.o')))
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config.substitutions.append(
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('%libgcc', get_libgcc_file_name()))
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config.substitutions.append(
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('%libstdcxx', '-l' + config.sanitizer_cxx_lib.lstrip('lib')))
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# Default test suffixes.
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config.suffixes = ['.c', '.cpp']
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if config.host_os not in ['Linux']:
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config.unsupported = True
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