more robust __builtin_assume_aligned detection #341
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__builtin_assume_aligned is available since GCC 4.7, but __has_builtin was added much later. Check for the GCC version if __has_builtin is not available. Users can also define CGLM_HAVE_BUILTIN_ASSUME_ALIGNED to either 1 or 0 to explicitly enable/disable the use of __builtin_assume_aligned. Meson will do it automatically (by performing a configure-time test).
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@Akaricchi thanks for your contributions, the PR is merged 🚀 |
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__builtin_assume_alignedis available since GCC 4.7, but__has_builtinwas added much later. Check for the GCC version if__has_builtinis not available.Users can also define
CGLM_HAVE_BUILTIN_ASSUME_ALIGNEDto either 1 or 0 to explicitly enable/disable the use of__builtin_assume_aligned. Meson will do it automatically (by performing a configure-time test).