diff options
Diffstat (limited to 'src/util/hash.h')
| -rw-r--r-- | src/util/hash.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/util/hash.h b/src/util/hash.h index 5f0189d44..fdfbf4087 100644 --- a/src/util/hash.h +++ b/src/util/hash.h @@ -29,15 +29,16 @@ namespace __gnu_cxx {} namespace __gnu_cxx { -#if __WORDSIZE == 32 -// on 32-bit, we need a specialization of hash for 64-bit values +#ifdef CVC4_NEED_HASH_UINT64_T +// on some versions and architectures of GNU C++, we need a +// specialization of hash for 64-bit values template <> struct hash<uint64_t> { size_t operator()(uint64_t v) const { return v; } };/* struct hash<uint64_t> */ -#endif /* 32-bit */ +#endif /* CVC4_NEED_HASH_UINT64_T */ }/* __gnu_cxx namespace */ |