diff options
Diffstat (limited to 'io_buffer.c')
| -rw-r--r-- | io_buffer.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/io_buffer.c b/io_buffer.c index 71136d4eb6..fb18e729a6 100644 --- a/io_buffer.c +++ b/io_buffer.c @@ -1239,7 +1239,7 @@ rb_io_buffer_resize(VALUE self, size_t size) rb_raise(rb_eIOBufferAccessError, "Cannot resize external buffer!"); } -#ifdef MREMAP_MAYMOVE +#if defined(HAVE_MREMAP) && defined(MREMAP_MAYMOVE) if (data->flags & RB_IO_BUFFER_MAPPED) { void *base = mremap(data->base, data->size, size, MREMAP_MAYMOVE); |