This patch should be removed once the following musl commit lands:

https://git.musl-libc.org/cgit/musl/commit\
/include/stdio.h?id=05ce67fea99ca09cd4b6625cff7aec9cc222dd5a

These macros are also exposed via <linux/fs.h>.

diff -ur a/src/mount_image.c b/src/mount_image.c
--- a/src/mount_image.c	2024-12-11 21:13:37.806412788 -0600
+++ b/src/mount_image.c	2024-12-11 21:18:32.528640110 -0600
@@ -53,6 +53,18 @@
 #include <unistd.h>
 #include <utime.h>
 
+#if defined(_GNU_SOURCE)
+#ifndef RENAME_NOREPLACE
+#define RENAME_NOREPLACE (1 << 0)
+#endif
+#ifndef RENAME_EXCHANGE
+#define RENAME_EXCHANGE  (1 << 1)
+#endif
+#ifndef RENAME_WHITEOUT
+#define RENAME_WHITEOUT  (1 << 2)
+#endif
+#endif
+
 #include "wimlib/blob_table.h"
 #include "wimlib/dentry.h"
 #include "wimlib/encoding.h"