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| author | Paul Eggert | 2022-09-13 12:41:34 -0500 |
|---|---|---|
| committer | Paul Eggert | 2022-09-13 12:42:31 -0500 |
| commit | 49419912f20b3cf0131a40798b162cbb596d368e (patch) | |
| tree | 1c9fed57f316b8ff5bf17a0efaec26bbb9d4e354 /src | |
| parent | 9d4c135046fcd33ecce9018fdbb749b33468fa06 (diff) | |
| download | emacs-49419912f20b3cf0131a40798b162cbb596d368e.tar.gz emacs-49419912f20b3cf0131a40798b162cbb596d368e.zip | |
Port alignas definition to C23
* src/lisp.h (alignas): C23 is removing the __alignas_is_defined
macro, so do not rely on it. Instead, do not define alignas if C23
or later, or if C++11 or later.
Diffstat (limited to 'src')
| -rw-r--r-- | src/lisp.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/lisp.h b/src/lisp.h index 2f73ba4c617..9710dbef8d2 100644 --- a/src/lisp.h +++ b/src/lisp.h | |||
| @@ -245,7 +245,8 @@ DEFINE_GDB_SYMBOL_BEGIN (EMACS_INT, VALMASK) | |||
| 245 | DEFINE_GDB_SYMBOL_END (VALMASK) | 245 | DEFINE_GDB_SYMBOL_END (VALMASK) |
| 246 | 246 | ||
| 247 | /* Ignore 'alignas' on compilers lacking it. */ | 247 | /* Ignore 'alignas' on compilers lacking it. */ |
| 248 | #if !defined alignas && !defined __alignas_is_defined | 248 | #if (!defined alignas && !defined __alignas_is_defined \ |
| 249 | && __STDC_VERSION__ < 202311 && __cplusplus < 201103) | ||
| 249 | # define alignas(a) | 250 | # define alignas(a) |
| 250 | #endif | 251 | #endif |
| 251 | 252 | ||