diff -ru qemu-10.0.2/block/file-posix.c qemu-10.0.2-x86_64/block/file-posix.c
--- qemu-10.0.2/block/file-posix.c	2025-05-29 01:05:46.000000000 +0300
+++ qemu-10.0.2-x86_64/block/file-posix.c	2025-08-09 19:00:18.062695074 +0300
@@ -110,6 +110,10 @@
 #include <sys/diskslice.h>
 #endif
 
+#ifdef __banan_os__
+#include <sys/ioctl.h>
+#endif
+
 /* OS X does not have O_DSYNC */
 #ifndef O_DSYNC
 #ifdef O_SYNC
Only in qemu-10.0.2-x86_64: build
Only in qemu-10.0.2-x86_64: .cache
diff -ru qemu-10.0.2/chardev/char-pty.c qemu-10.0.2-x86_64/chardev/char-pty.c
--- qemu-10.0.2/chardev/char-pty.c	2025-05-29 01:05:46.000000000 +0300
+++ qemu-10.0.2-x86_64/chardev/char-pty.c	2025-08-09 19:03:07.909515897 +0300
@@ -236,7 +236,11 @@
 # include <termios.h>
 #endif
 
-#ifdef __sun__
+#if defined(__banan_os__)
+# include <sys/ioctl.h>
+#endif
+
+#if defined(__sun__) || defined(__banan_os__)
 
 #if !defined(HAVE_OPENPTY)
 /* Once illumos has openpty(), this is going to be removed. */