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remove gcc_unused

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[[maybe_unused]] (introduced in C++17) is standard C++.

https://clang.llvm.org/docs/AttributeReference.html#maybe-unused-unused
says that this is equivalent to the GNU unused attribute.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
This commit is contained in:
Rosen Penev
2020-03-12 12:56:11 -07:00
parent 0afb156a5b
commit 97425d56e7
101 changed files with 226 additions and 234 deletions
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8
src/util/Compiler.h
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@@ -74,7 +74,6 @@
#define gcc_printf(a,b) __attribute__((format(printf, a, b)))
#define gcc_pure __attribute__((pure))
#define gcc_sentinel __attribute__((sentinel))
#define gcc_unused __attribute__((unused))
#define gcc_nonnull(...) __attribute__((nonnull(__VA_ARGS__)))
#define gcc_nonnull_all __attribute__((nonnull))
@@ -101,7 +100,6 @@
#define gcc_printf(a,b)
#define gcc_pure
#define gcc_sentinel
#define gcc_unused
#define gcc_nonnull(...)
#define gcc_nonnull_all
@@ -161,12 +159,6 @@
#define __has_feature(x) 0
#endif
#if __has_feature(attribute_unused_on_fields)
#define gcc_unused_field gcc_unused
#else
#define gcc_unused_field
#endif
#if defined(__GNUC__) || defined(__clang__)
#define gcc_unreachable() __builtin_unreachable()
#else

2
src/util/UTF8.cxx
View File

@@ -204,7 +204,7 @@ struct CheckSequenceUTF8 {
template<>
struct CheckSequenceUTF8<0U> {
constexpr bool operator()(gcc_unused const char *p) const noexcept {
constexpr bool operator()([[maybe_unused]] const char *p) const noexcept {
return true;
}
};