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Use __has_extension(c_atomic) instead of __has_feature(c_atomic) to detect support for atomic load and store operations with clang.

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FossilOrigin-Name: 362255791f8801e0d9869e36239b8b2cb29c38bf0b86894bd2d159ce46d8447e
This commit is contained in:
dan
2020-06-04 16:34:49 +00:00
parent ec206a7d34
commit b55389412f
3 changed files with 10 additions and 10 deletions
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6
src/sqliteInt.h
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@@ -190,10 +190,10 @@
** WAL mode depends on atomic aligned 32-bit loads and stores in a few
** places. The following macros try to make this explicit.
*/
#ifndef __has_feature
# define __has_feature(x) 0 /* compatibility with non-clang compilers */
#ifndef __has_extension
# define __has_extension(x) 0 /* compatibility with non-clang compilers */
#endif
#if GCC_VERSION>=4007000 || __has_feature(c_atomic)
#if GCC_VERSION>=4007000 || __has_extension(c_atomic)
# define AtomicLoad(PTR) __atomic_load_n((PTR),__ATOMIC_RELAXED)
# define AtomicStore(PTR,VAL) __atomic_store_n((PTR),(VAL),__ATOMIC_RELAXED)
#else