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56 lines
2 KiB
C
56 lines
2 KiB
C
/*
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Copyright: © 2018 SIL International.
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Description: Cross platform support macros to define API function
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declspec/attributes and how each supported compiler or OS
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allows us to specify them.
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Create Date: 18 Oct 2018
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Authors: Tim Eves (TSE)
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History: 18 Oct 2018 - TSE - Imported from graphite2 project.
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6 Oct 2018 - TSE - Move into keyman folder.
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*/
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#pragma once
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// Define API function declspec/attributes and how each supported compiler or OS
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// allows us to specify them.
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#if defined __GNUC__
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#define _kmn_and ,
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#define _kmn_tag_fn(a) __attribute__((a))
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#define _kmn_deprecated_flag deprecated
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#define _kmn_export_flag visibility("default")
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#define _kmn_import_flag visibility("default")
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#define _kmn_static_flag visibility("hidden")
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#define _kmn_unused(x) UNUSED_ ## x __attribute__((__unused__))
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#else
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#define _kmn_unused(x) UNUSED_ ## x
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#endif
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#if defined _WIN32 || defined __CYGWIN__
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typedef wchar_t const * km_kbp_path_name;
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#if defined __GNUC__ // These three will be redefined for Windows
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#undef _kmn_export_flag
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#undef _kmn_import_flag
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#undef _kmn_static_flag
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#else // How MSVC sepcifies function level attributes adn deprecation
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#define _kmn_and
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#define _kmn_tag_fn(a) __declspec(a)
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#define _kmn_deprecated_flag deprecated
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#endif
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#define _kmn_export_flag dllexport
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#define _kmn_import_flag dllimport
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#define _kmn_static_flag
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#else
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typedef char const * km_kbp_path_name;
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#endif
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#if defined KMN_KBP_STATIC
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#define KMN_API _kmn_tag_fn(_kmn_static_flag)
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#define KMN_DEPRECATED_API _kmn_tag_fn(_kmn_deprecated_flag _kmn_and _kmn_static_flag)
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#elif defined KMN_KBP_EXPORTING
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#define KMN_API _kmn_tag_fn(_kmn_export_flag)
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#define KMN_DEPRECATED_API _kmn_tag_fn(_kmn_deprecated_flag _kmn_and _kmn_export_flag)
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#else
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#define KMN_API _kmn_tag_fn(_kmn_import_flag)
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#define KMN_DEPRECATED_API _kmn_tag_fn(_kmn_deprecated_flag _kmn_and _kmn_import_flag)
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#endif
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