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[include][compiler.h] fix a warning with gcc

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Travis Geiselbrecht
2024-06-14 15:32:38 -07:00
parent 07b80bf495
commit 50b6f8c85c
1 changed files with 4 additions and 0 deletions
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top/include/lk/compiler.h
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@@ -20,10 +20,14 @@
#define likely(x) __builtin_expect(!!(x), 1)
#define unlikely(x) __builtin_expect(!!(x), 0)
#define __UNUSED __attribute__((__unused__))
#if __clang__
// Per https://clang.llvm.org/docs/AttributeReference.html#used
// __used__ does not prevent linkers from removing unused sections
// (if --gc-sections is passed). Need to specify "retain" as well.
#define __USED __attribute__((__used__, retain))
#else
#define __USED __attribute__((__used__))
#endif
#define __PACKED __attribute__((packed))
#define __ALIGNED(x) __attribute__((aligned(x)))
#define __PRINTFLIKE(__fmt,__varargs) __attribute__((__format__ (__printf__, __fmt, __varargs)))