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tuklib_common: Define __has_warning if it is not defined.

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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.
This commit is contained in:
Jia Tan 2023-01-19 20:32:40 +08:00
parent b2ba1a489d
commit 82e3c968bf
1 changed files with 7 additions and 0 deletions
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7
src/common/tuklib_common.h
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@ -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