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67b7f56ddb
Summary:
Proposed header (or its dir) is a single place to put MSVC/GCC hacks. So
far it only includes the COMPOUND_LITERAL macro which behaves differently
depending on MSVC mode.
When MSVC2015 is used in C++ mode, it does not support things like:
`(my_type) {initializers}`, but in C mode it does.
To clarify: I am not even sure whether we need to have the ability to compile in a purely C mode, but I did not want to figure out.
Test Plan: - on Linux, run `python setup.py build`, run all the tests, see them passing
Reviewers: #sourcecontrol, tja
Reviewed By: tja
Subscribers: tja, jsgf, mjpieters
Differential Revision: https://phabricator.intern.facebook.com/D4843230
Signature: t1:4843230:1491496062:3fa10ae5a5aac850689991de1ca6ee1ac86d9dce
17 lines
565 B
C
17 lines
565 B
C
#ifndef PORTABILITY_PORTABILITY_H
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#define PORTABILITY_PORTABILITY_H
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#if defined(_MSC_VER)
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/* MSVC2015 supports compound literals in C mode (/TC)
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but does not support them in C++ mode (/TP) */
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#if defined(__cplusplus)
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#define COMPOUND_LITERAL(typename_) typename_
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#else /* #if defined(__cplusplus) */
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#define COMPOUND_LITERAL(typename_) (typename_)
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#endif /* #if defined(__cplusplus) */
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#else /* #if defined(_MSC_VER) */
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#define COMPOUND_LITERAL(typename_) (typename_)
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#endif /* #if defined(_MSC_VER) */
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#endif /* #ifndef PORTABILITY_PORTABILITY_H */
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