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| author | Jia Tan <jiat0218@gmail.com> | 2023-01-19 20:32:40 +0800 |
|---|---|---|
| committer | Jia Tan <jiat0218@gmail.com> | 2023-01-19 20:32:40 +0800 |
| commit | 82e3c968bfa10e3ff13333bd9cbbadb5988d6766 (patch) | |
| tree | 8d5cecf9fcea248ac5da1aa27ea13970b3ef8243 | |
| parent | CI: Reorder 32-bit build first for Linux autotool builds. (diff) | |
| download | xz-82e3c968bfa10e3ff13333bd9cbbadb5988d6766.tar.xz | |
tuklib_common: Define __has_warning if it is not defined.
clang supports the __has_warning macro to determine if the version of
clang compiling the code supports a given warning. If we do not define
it for other compilers, it may cause a preprocessor error.
| -rw-r--r-- | src/common/tuklib_common.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/common/tuklib_common.h b/src/common/tuklib_common.h index b1f531ea..8942e625 100644 --- a/src/common/tuklib_common.h +++ b/src/common/tuklib_common.h @@ -68,4 +68,11 @@ # define TUKLIB_DOSLIKE 1 #endif +// Clang has a macro to check if the compiler supports a certain warning. +// If this macro is used with a compiler that does not support this macro +// (like gcc), then it will cause a preprocessor error. +#ifndef __has_warning +# define __has_warning(warn) 0 +#endif + #endif |