diff options
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 f8a7ea99e4..53cdbb539a 100644 --- a/configure.in +++ b/configure.in @@ -1653,6 +1653,7 @@ AC_CACHE_CHECK(packed struct attribute, rb_cv_packed_struct, done]) AS_IF([test "$rb_cv_packed_struct" != no], [ AC_DEFINE_UNQUOTED([PACKED_STRUCT(x)], [$rb_cv_packed_struct]) + RUBY_TRY_CFLAGS(-Wno-address-of-packed-member, [AC_DEFINE(USE_UNALIGNED_MEMBER_ACCESS)]) ], [ AC_DEFINE_UNQUOTED([PACKED_STRUCT(x)], x) ]) |