diff options
| -rw-r--r-- | configure.ac | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 2d11169728..d2ea9ea66f 100644 --- a/configure.ac +++ b/configure.ac @@ -2118,6 +2118,7 @@ AS_IF([test x$rb_cv_builtin___builtin_choose_expr = xyes], [ ]) RUBY_CHECK_BUILTIN_FUNC(__builtin_types_compatible_p, [__builtin_types_compatible_p(int, int)]) RUBY_CHECK_BUILTIN_FUNC(__builtin_trap, [__builtin_trap()]) +RUBY_CHECK_BUILTIN_FUNC(__builtin_expect, [__builtin_expect(0, 0)]) AS_IF([test "$ac_cv_func_qsort_r" != no], [ AC_CACHE_CHECK(whether qsort_r is GNU version, rb_cv_gnu_qsort_r, |