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# -*- Python -*-
import os
import platform
import lit.formats
def get_required_attr(config, attr_name):
attr_value = getattr(config, attr_name, None)
if attr_value == None:
lit_config.fatal(
"No attribute %r in test configuration! You may need to run "
"tests from your build directory or add this attribute "
"to lit.site.cfg.py " % attr_name)
return attr_value
# Setup config name.
config.name = 'Builtins' + config.name_suffix
# Platform-specific default Builtins_OPTIONS for lit tests.
default_builtins_opts = ''
# Setup source root.
config.test_source_root = os.path.dirname(__file__)
# Path to the static library
is_msvc = get_required_attr(config, "is_msvc")
if is_msvc:
base_lib = os.path.join(config.compiler_rt_libdir, "clang_rt.builtins%s.lib "
% config.target_suffix)
config.substitutions.append( ("%librt ", base_lib) )
elif config.host_os == 'Darwin':
base_lib = os.path.join(config.compiler_rt_libdir, "libclang_rt.osx.a ")
config.substitutions.append( ("%librt ", base_lib + ' -lSystem ') )
else:
base_lib = os.path.join(config.compiler_rt_libdir, "libclang_rt.builtins%s.a"
% config.target_suffix)
config.substitutions.append( ("%librt ", base_lib + ' -lc -lm ') )
builtins_source_dir = os.path.join(
get_required_attr(config, "compiler_rt_src_root"), "lib", "builtins")
builtins_lit_source_dir = get_required_attr(config, "builtins_lit_source_dir")
extra_link_flags = ["-nodefaultlibs"]
target_cflags = [get_required_attr(config, "target_cflags")]
target_cflags += ['-fno-builtin', '-I', builtins_source_dir]
target_cflags += extra_link_flags
target_cxxflags = config.cxx_mode_flags + target_cflags
clang_builtins_static_cflags = ([""] +
config.debug_info_flags + target_cflags)
clang_builtins_static_cxxflags = config.cxx_mode_flags + \
clang_builtins_static_cflags
clang_builtins_cflags = clang_builtins_static_cflags
clang_builtins_cxxflags = clang_builtins_static_cxxflags
# FIXME: Right now we don't compile the C99 complex builtins when using
# clang-cl. Fix that.
if not is_msvc:
config.available_features.add('c99-complex')
builtins_is_msvc = get_required_attr(config, "builtins_is_msvc")
if not builtins_is_msvc:
config.available_features.add('int128')
clang_wrapper = ""
def build_invocation(compile_flags):
return " " + " ".join([clang_wrapper, config.clang] + compile_flags) + " "
target_arch = config.target_arch
if (target_arch == "arm"):
target_arch = "armv7"
config.substitutions.append( ("%clang ", build_invocation(target_cflags)) )
config.substitutions.append( ("%clangxx ", build_invocation(target_cxxflags)) )
config.substitutions.append( ("%clang_builtins ", \
build_invocation(clang_builtins_cflags)))
config.substitutions.append( ("%clangxx_builtins ", \
build_invocation(clang_builtins_cxxflags)))
# FIXME: move the call_apsr.s into call_apsr.h as inline-asm.
# some ARM tests needs call_apsr.s
call_apsr_source = os.path.join(builtins_lit_source_dir, 'arm', 'call_apsr.S')
march_flag = '-march=' + target_arch
call_apsr_flags = ['-c', march_flag, call_apsr_source]
config.substitutions.append( ("%arm_call_apsr ", \
build_invocation(call_apsr_flags)) )
# Default test suffixes.
config.suffixes = ['.c', '.cpp']
if not config.emulator:
config.available_features.add('native-run')
# Add features for available sources
builtins_source_features = config.builtins_lit_source_features.split(';')
# Sanity checks
if not builtins_source_features:
lit_config.fatal('builtins_source_features cannot be empty')
builtins_source_features_set = set()
builtins_source_feature_duplicates = []
for builtin_source_feature in builtins_source_features:
if len(builtin_source_feature) == 0:
lit_config.fatal('builtins_source_feature cannot contain empty features')
if builtin_source_feature not in builtins_source_features_set:
builtins_source_features_set.add(builtin_source_feature)
else:
builtins_source_feature_duplicates.append(builtin_source_feature)
if len(builtins_source_feature_duplicates) > 0:
lit_config.fatal(
'builtins_source_features contains duplicates: {}'.format(
builtins_source_feature_duplicates)
)
config.available_features.update(builtins_source_features)
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