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36 id 1TGATQ-0007l2-Qi; Mon, 24 Sep 2012 17:21:28 +0200
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37 From: Justus Winter <4winter@informatik.uni-hamburg.de>
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38 To: notmuch@notmuchmail.org
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39 Subject: [PATCH 1/6] Provide a __has_attribute compatibility macro
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40 Date: Mon, 24 Sep 2012 17:21:15 +0200
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60 __has_attribute is defined by clang and tests whether a given function
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61 attribute is supported by clang.
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63 Add a compatibility macro for other compilers.
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65 Signed-off-by: Justus Winter <4winter@informatik.uni-hamburg.de>
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67 compat/function-attributes.h | 31 +++++++++++++++++++++++++++++++
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68 1 file changed, 31 insertions(+)
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69 create mode 100644 compat/function-attributes.h
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71 diff --git a/compat/function-attributes.h b/compat/function-attributes.h
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72 new file mode 100644
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73 index 0000000..18f9090
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75 +++ b/compat/function-attributes.h
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77 +/* function-attributes.h - Provides compiler abstractions for
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78 + * function attributes
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80 + * Copyright (c) 2012 Justus Winter <4winter@informatik.uni-hamburg.de>
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82 + * This program is free software: you can redistribute it and/or modify
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83 + * it under the terms of the GNU General Public License as published by
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84 + * the Free Software Foundation, either version 3 of the License, or
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85 + * (at your option) any later version.
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87 + * This program is distributed in the hope that it will be useful,
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88 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
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89 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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90 + * GNU General Public License for more details.
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92 + * You should have received a copy of the GNU General Public License
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93 + * along with this program. If not, see http://www.gnu.org/licenses/ .
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96 +#ifndef FUNCTION_ATTRIBUTES_H
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97 +#define FUNCTION_ATTRIBUTES_H
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99 +/* clang provides this macro to test for support for function
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100 + * attributes. If it isn't defined, this provides a compatibility
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101 + * macro for other compilers.
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103 +#ifndef __has_attribute
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104 +#define __has_attribute(x) 0
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