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dnl Macro: ENABLE_FNV64_HASH
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AC_DEFUN([ENABLE_FNV64_HASH],
[AC_ARG_ENABLE([fnv64_hash],
[AS_HELP_STRING([--disable-fnv64_hash],
[build with support for fnv64 hashing. @<:@default=on@:>@])],
[ac_cv_enable_fnv64_hash=no],
[ac_cv_enable_fnv64_hash=yes])
AS_IF([test "$ac_cv_enable_fnv64_hash" = "yes"],
[AC_DEFINE([HAVE_FNV64_HASH], [1], [Enables fnv64 hashing support])])
])
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dnl End Macro: ENABLE_FNV64_HASH
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