8000 bpo-11410: Standardize and use symbol visibility attributes across POSIX and Windows. by vsajip · Pull Request #16347 · python/cpython · GitHub
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bpo-11410: Standardize and use symbol visibility attributes across POSIX and Windows. #16347

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Merged
merged 7 commits into from
Oct 15, 2019
Merged

bpo-11410: Standardize and use symbol visibility attributes across POSIX and Windows. #16347

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cbdada0
Initial attempt at visibility changes.
vsajip Sep 23, 2019
50c661c
Added parentheses to #if defined(...) syntax.
vsajip Sep 24, 2019
6421318
Refined export definitions to avoid repetition.
vsajip Sep 24, 2019
049cd45
Added NEWS entry.
vsajip Sep 24, 2019
dc85dbb
Removed unnecessary preprocessor condition.
vsajip Sep 24, 2019
f4a3429
Generalised the conditions under which it is assumed that the
vsajip Sep 30, 2019
886a68e
Added a definition for non-clang compilers.
vsajip Oct 14, 2019
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Added a definition for non-clang compilers.
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@vsajip
vsajip committed Oct 14, 2019
commit 886a68ed1b26151e54d295fab6f83318a11cabb0
3 changes: 3 additions & 0 deletions Include/exports.h
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Expand Up @@ -12,6 +12,9 @@
* we may still need to support gcc >= 4, as some Ubuntu LTS and Centos versions
* have 4 < gcc < 5.
*/
#ifndef __has_attribute
#define __has_attribute(x) 0 // Compatibility with non-clang compilers.
#endif
#if (defined(__GNUC__) && (__GNUC__ >= 4)) ||\
(defined(__clang__) && __has_attribute(visibility))
#define Py_IMPORTED_SYMBOL __attribute__ ((visibility ("default")))
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