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124 lines
4.7 KiB
124 lines
4.7 KiB
7 months ago
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# -*- Python -*-
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import os
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import platform
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import lit.formats
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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_required_attr(config, attr_name):
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attr_value = getattr(config, attr_name, None)
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if attr_value == None:
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lit_config.fatal(
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"No attribute %r in test configuration! You may need to run "
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"tests from your build directory or add this attribute "
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"to lit.site.cfg.py " % attr_name)
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return attr_value
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# Setup config name.
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config.name = 'Builtins' + config.name_suffix
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# Platform-specific default Builtins_OPTIONS for lit tests.
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default_builtins_opts = ''
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# Setup source root.
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config.test_source_root = os.path.dirname(__file__)
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# Path to the static library
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is_msvc = get_required_attr(config, "is_msvc")
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if is_msvc:
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base_lib = os.path.join(config.compiler_rt_libdir, "clang_rt.builtins%s.lib "
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% config.target_suffix)
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config.substitutions.append( ("%librt ", base_lib) )
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elif config.host_os == 'Darwin':
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base_lib = os.path.join(config.compiler_rt_libdir, "libclang_rt.osx.a ")
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config.substitutions.append( ("%librt ", base_lib + ' -lSystem ') )
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else:
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base_lib = os.path.join(config.compiler_rt_libdir, "libclang_rt.builtins%s.a"
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% 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( ("%librt ", base_lib + ' -lc -lm ') )
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builtins_source_dir = os.path.join(
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get_required_attr(config, "compiler_rt_src_root"), "lib", "builtins")
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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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builtins_source_dir = builtins_source_dir.replace('\\', '/')
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builtins_lit_source_dir = get_required_attr(config, "builtins_lit_source_dir")
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extra_link_flags = ["-nodefaultlibs"]
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target_cflags = [get_required_attr(config, "target_cflags")]
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target_cflags += ['-fno-builtin', '-I', builtins_source_dir]
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target_cflags += extra_link_flags
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target_cxxflags = config.cxx_mode_flags + target_cflags
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clang_builtins_static_cflags = ([""] +
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config.debug_info_flags + target_cflags)
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clang_builtins_static_cxxflags = config.cxx_mode_flags + \
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clang_builtins_static_cflags
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clang_builtins_cflags = clang_builtins_static_cflags
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clang_builtins_cxxflags = clang_builtins_static_cxxflags
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# FIXME: Right now we don't compile the C99 complex builtins when using
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# clang-cl. Fix that.
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if not is_msvc:
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config.available_features.add('c99-complex')
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builtins_is_msvc = get_required_attr(config, "builtins_is_msvc")
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if not builtins_is_msvc:
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config.available_features.add('int128')
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clang_wrapper = ""
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def build_invocation(compile_flags):
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return " " + " ".join([clang_wrapper, config.clang] + compile_flags) + " "
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config.substitutions.append( ("%clang ", build_invocation(target_cflags)) )
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config.substitutions.append( ("%clangxx ", build_invocation(target_cxxflags)) )
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config.substitutions.append( ("%clang_builtins ", \
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build_invocation(clang_builtins_cflags)))
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config.substitutions.append( ("%clangxx_builtins ", \
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build_invocation(clang_builtins_cxxflags)))
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# Default test suffixes.
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config.suffixes = ['.c', '.cpp']
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if not config.emulator:
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config.available_features.add('native-run')
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# Add features for available sources
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builtins_source_features = config.builtins_lit_source_features.split(';')
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# Sanity checks
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if not builtins_source_features:
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lit_config.fatal('builtins_source_features cannot be empty')
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builtins_source_features_set = set()
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builtins_source_feature_duplicates = []
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for builtin_source_feature in builtins_source_features:
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if len(builtin_source_feature) == 0:
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lit_config.fatal('builtins_source_feature cannot contain empty features')
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if builtin_source_feature not in builtins_source_features_set:
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builtins_source_features_set.add(builtin_source_feature)
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else:
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builtins_source_feature_duplicates.append(builtin_source_feature)
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if len(builtins_source_feature_duplicates) > 0:
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lit_config.fatal(
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'builtins_source_features contains duplicates: {}'.format(
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builtins_source_feature_duplicates)
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)
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config.available_features.update(builtins_source_features)
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