[3.13] gh-118124: fix assert related C++ checks on Solaris/Illumos (GH-121974) (#122108)

Fix check for static_assert() for C++ on some platforms..
(cherry picked from commit e88bd96d0d)
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Jakub Kulík 2024-07-22 09:50:20 +02:00 committed by GitHub
parent 3ae1236c73
commit 82db81528c
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1 changed files with 6 additions and 5 deletions

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@ -15,11 +15,11 @@
// MSVC makes static_assert a keyword in C11-17, contrary to the standards.
//
// In C++11 and C2x, static_assert is a keyword, redefining is undefined
// behaviour. So only define if building as C (if __STDC_VERSION__ is defined),
// not C++, and only for C11-17.
// behaviour. So only define if building as C, not C++ (if __cplusplus is
// not defined), and only for C11-17.
#if !defined(static_assert) && (defined(__GNUC__) || defined(__clang__)) \
&& defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L \
&& __STDC_VERSION__ <= 201710L
&& !defined(__cplusplus) && defined(__STDC_VERSION__) \
&& __STDC_VERSION__ >= 201112L && __STDC_VERSION__ <= 201710L
# define static_assert _Static_assert
#endif
@ -46,7 +46,8 @@
/* Argument must be a char or an int in [-128, 127] or [0, 255]. */
#define Py_CHARMASK(c) ((unsigned char)((c) & 0xff))
#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L
#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L \
&& !defined(__cplusplus))
# define Py_BUILD_ASSERT_EXPR(cond) \
((void)sizeof(struct { int dummy; _Static_assert(cond, #cond); }), \
0)