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Diffstat (limited to 'configure.in')
-rw-r--r-- | configure.in | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/configure.in b/configure.in index 1042b0329c..14711a6837 100644 --- a/configure.in +++ b/configure.in @@ -2432,6 +2432,8 @@ RUBY_CHECK_BUILTIN_FUNC(__builtin_bswap64, [__builtin_bswap64(0)]) RUBY_CHECK_BUILTIN_FUNC(__builtin_clz, [__builtin_clz(0)]) RUBY_CHECK_BUILTIN_FUNC(__builtin_clzl, [__builtin_clzl(0)]) RUBY_CHECK_BUILTIN_FUNC(__builtin_clzll, [__builtin_clzll(0)]) +RUBY_CHECK_BUILTIN_FUNC(__builtin_ctz, [__builtin_ctz(0)]) +RUBY_CHECK_BUILTIN_FUNC(__builtin_ctzll, [__builtin_ctzll(0)]) RUBY_CHECK_BUILTIN_FUNC(__builtin_choose_expr, [ [int x[__extension__(__builtin_choose_expr(1, 1, -1))]]; [int y[__extension__(__builtin_choose_expr(0, -1, 1))]]; |