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Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/configure.in b/configure.in index 96fabbf96d..ea0a466111 100644 --- a/configure.in +++ b/configure.in @@ -475,6 +475,7 @@ AC_C_BIGENDIAN AC_C_CONST AC_C_CHAR_UNSIGNED AC_C_INLINE +AC_C_VOLATILE AC_CACHE_CHECK(whether right shift preserve sign bit, rb_cv_rshift_sign, [AC_TRY_RUN([ |