compiler-rt/test/builtins/Unit/lit.cfg.py

   1 # -*- Python -*-
   2
   3 import os
   4 import platform
   5
   6 import lit.formats
   7
   8 def get_required_attr(config, attr_name):
   9   attr_value = getattr(config, attr_name, None)
  10   if attr_value == None:
  11     lit_config.fatal(
  12       "No attribute %r in test configuration! You may need to run "
  13       "tests from your build directory or add this attribute "
  14       "to lit.site.cfg.py " % attr_name)
  15   return attr_value
  16
  17 # Setup config name.
  18 config.name = 'Builtins' + config.name_suffix
  19
  20 # Platform-specific default Builtins_OPTIONS for lit tests.
  21 default_builtins_opts = ''
  22
  23 # Setup source root.
  24 config.test_source_root = os.path.dirname(__file__)
  25
  26 # Path to the static library
  27 is_msvc = get_required_attr(config, "is_msvc")
  28 if is_msvc:
  29   base_lib = os.path.join(config.compiler_rt_libdir, "clang_rt.builtins%s.lib "
  30                           % config.target_suffix)
  31   config.substitutions.append( ("%librt ", base_lib) )
  32 elif config.host_os  == 'Darwin':
  33   base_lib = os.path.join(config.compiler_rt_libdir, "libclang_rt.osx.a ")
  34   config.substitutions.append( ("%librt ", base_lib + ' -lSystem ') )
  35 else:
  36   base_lib = os.path.join(config.compiler_rt_libdir, "libclang_rt.builtins%s.a"
  37                           % config.target_suffix)
  38   config.substitutions.append( ("%librt ", base_lib + ' -lc -lm ') )
  39
  40 builtins_source_dir = os.path.join(
  41   get_required_attr(config, "compiler_rt_src_root"), "lib", "builtins")
  42 builtins_lit_source_dir = get_required_attr(config, "builtins_lit_source_dir")
  43
  44 extra_link_flags = ["-nodefaultlibs"]
  45
  46 target_cflags = [get_required_attr(config, "target_cflags")]
  47 target_cflags += ['-fno-builtin', '-I', builtins_source_dir]
  48 target_cflags += extra_link_flags
  49 target_cxxflags = config.cxx_mode_flags + target_cflags
  50 clang_builtins_static_cflags = ([""] +
  51                             config.debug_info_flags + target_cflags)
  52 clang_builtins_static_cxxflags = config.cxx_mode_flags + \
  53                                  clang_builtins_static_cflags
  54
  55 clang_builtins_cflags = clang_builtins_static_cflags
  56 clang_builtins_cxxflags = clang_builtins_static_cxxflags
  57
  58 # FIXME: Right now we don't compile the C99 complex builtins when using
  59 # clang-cl. Fix that.
  60 if not is_msvc:
  61   config.available_features.add('c99-complex')
  62
  63 builtins_is_msvc = get_required_attr(config, "builtins_is_msvc")
  64 if not builtins_is_msvc:
  65   config.available_features.add('int128')
  66
  67 clang_wrapper = ""
  68
  69 def build_invocation(compile_flags):
  70   return " " + " ".join([clang_wrapper, config.clang] + compile_flags) + " "
  71
  72
  73 target_arch = config.target_arch
  74 if (target_arch == "arm"):
  75   target_arch = "armv7"
  76
  77 config.substitutions.append( ("%clang ", build_invocation(target_cflags)) )
  78 config.substitutions.append( ("%clangxx ", build_invocation(target_cxxflags)) )
  79 config.substitutions.append( ("%clang_builtins ", \
  80                               build_invocation(clang_builtins_cflags)))
  81 config.substitutions.append( ("%clangxx_builtins ", \
  82                               build_invocation(clang_builtins_cxxflags)))
  83
  84 # FIXME: move the call_apsr.s into call_apsr.h as inline-asm.
  85 # some ARM tests needs call_apsr.s
  86 call_apsr_source = os.path.join(builtins_lit_source_dir, 'arm', 'call_apsr.S')
  87 march_flag = '-march=' + target_arch
  88 call_apsr_flags = ['-c', march_flag, call_apsr_source]
  89 config.substitutions.append( ("%arm_call_apsr ", \
  90                               build_invocation(call_apsr_flags)) )
  91
  92 # Default test suffixes.
  93 config.suffixes = ['.c', '.cpp']
  94
  95 if not config.emulator:
  96   config.available_features.add('native-run')
  97
  98 # Add features for available sources
  99 builtins_source_features = config.builtins_lit_source_features.split(';')
 100 # Sanity checks
 101 if not builtins_source_features:
 102   lit_config.fatal('builtins_source_features cannot be empty')
 103 builtins_source_features_set = set()
 104 builtins_source_feature_duplicates = []
 105 for builtin_source_feature in builtins_source_features:
 106   if len(builtin_source_feature) == 0:
 107     lit_config.fatal('builtins_source_feature cannot contain empty features')
 108   if builtin_source_feature not in builtins_source_features_set:
 109     builtins_source_features_set.add(builtin_source_feature)
 110   else:
 111     builtins_source_feature_duplicates.append(builtin_source_feature)
 112
 113 if len(builtins_source_feature_duplicates) > 0:
 114   lit_config.fatal(
 115     'builtins_source_features contains duplicates: {}'.format(
 116       builtins_source_feature_duplicates)
 117   )
 118 config.available_features.update(builtins_source_features)