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107 lines
3.1 KiB
107 lines
3.1 KiB
# Copyright © 2017-2018 Intel Corporation |
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# |
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# Licensed under the Apache License, Version 2.0 (the "License"); |
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# you may not use this file except in compliance with the License. |
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# You may obtain a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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project('gcc func attributes', ['c', 'cpp']) |
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# For msvc these will fail because msvc doesn't support __attribute__, for |
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# Clang and GCC, they should pass. |
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c = meson.get_compiler('c') |
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cpp = meson.get_compiler('cpp') |
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expected_result = not ['msvc', 'clang-cl', 'intel-cl'].contains(c.get_id()) |
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# Q: Why is ifunc not in this list or any of the below lists? |
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# A: It's too damn hard to figure out if you actually support it, since it |
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# requires both compiler and libc support, and there isn't a good way to |
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# figure that out except by running the code we're trying to test. |
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attributes = [ |
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'aligned', |
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'alloc_size', |
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'always_inline', |
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'cold', |
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'const', |
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'constructor', |
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'constructor_priority', |
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'deprecated', |
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'destructor', |
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'flatten', |
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'format', |
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'format_arg', |
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'gnu_inline', |
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'hot', |
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'malloc', |
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'noinline', |
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'nonnull', |
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'noreturn', |
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'nothrow', |
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'pure', |
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'unused', |
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'used', |
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'warn_unused_result', |
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'weak', |
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] |
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if c.get_id() != 'intel' |
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# not supported by icc as of 19.0.0 |
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attributes += 'weakref' |
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endif |
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# These are unsupported on darwin with apple clang 9.1.0 |
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if host_machine.system() != 'darwin' |
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attributes += 'alias' |
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attributes += 'visibility' |
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endif |
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if ['gcc', 'intel'].contains(c.get_id()) |
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# not supported by clang as of 5.0.0 (at least up to 6.0.1) |
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attributes += 'artificial' |
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attributes += 'error' |
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attributes += 'externally_visible' |
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attributes += 'leaf' |
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attributes += 'noclone' |
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attributes += 'optimize' |
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attributes += 'warning' |
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if c.get_id() == 'gcc' and c.version().version_compare('>= 7.0.0') |
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attributes += 'fallthrough' |
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endif |
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endif |
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foreach a : attributes |
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x = c.has_function_attribute(a) |
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assert(x == expected_result, '@0@: @1@'.format(c.get_id(), a)) |
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x = cpp.has_function_attribute(a) |
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assert(x == expected_result, '@0@: @1@'.format(cpp.get_id(), a)) |
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endforeach |
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win_expect = ['windows', 'cygwin'].contains(host_machine.system()) |
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foreach a : ['dllexport', 'dllimport'] |
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assert(c.has_function_attribute(a) == win_expect, |
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'@0@: @1@'.format(c.get_id(), a)) |
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assert(cpp.has_function_attribute(a) == win_expect, |
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'@0@: @1@'.format(cpp.get_id(), a)) |
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endforeach |
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message('checking get_supported_function_attributes') |
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if not ['msvc', 'clang-cl', 'intel-cl'].contains(c.get_id()) |
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multi_expected = attributes |
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else |
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multi_expected = [] |
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endif |
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multi_check = c.get_supported_function_attributes(attributes) |
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assert(multi_check == multi_expected, 'get_supported_function_arguments works (C)') |
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multi_check = cpp.get_supported_function_attributes(attributes) |
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assert(multi_check == multi_expected, 'get_supported_function_arguments works (C++)')
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