https://github.com/python/cpython/commit/e88bd96d0d6cf8218c4fca37e1d20399ae676a04
commit: e88bd96d0d6cf8218c4fca37e1d20399ae676a04
branch: main
author: Jakub Kulík <[email protected]>
committer: vstinner <[email protected]>
date: 2024-07-21T18:50:14+02:00
summary:
gh-118124: fix assert related C++ checks on Solaris/Illumos (#121974)
Fix check for static_assert() for C++ on some platforms.
files:
M Include/pymacro.h
diff --git a/Include/pymacro.h b/Include/pymacro.h
index a7945ef84a46fc..e0378f9d27a048 100644
--- a/Include/pymacro.h
+++ b/Include/pymacro.h
@@ -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
@@ -47,7 +47,7 @@
#define Py_CHARMASK(c) ((unsigned char)((c) & 0xff))
#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L \
- && !defined(_MSC_VER))
+ && !defined(__cplusplus) && !defined(_MSC_VER))
# define Py_BUILD_ASSERT_EXPR(cond) \
((void)sizeof(struct { int dummy; _Static_assert(cond, #cond); }), \
0)
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