diff --git a/slirp/arp_table.c b/slirp/arp_table.c
index bcaeb44860..3547043555 100644
--- a/slirp/arp_table.c
+++ b/slirp/arp_table.c
@@ -22,6 +22,7 @@
  * THE SOFTWARE.
  */
 
+#include "qemu/osdep.h"
 #include "slirp.h"
 
 void arp_table_add(Slirp *slirp, uint32_t ip_addr, uint8_t ethaddr[ETH_ALEN])
diff --git a/slirp/bootp.c b/slirp/bootp.c
index 00272793e0..7b3232bdc4 100644
--- a/slirp/bootp.c
+++ b/slirp/bootp.c
@@ -21,6 +21,7 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
+#include "qemu/osdep.h"
 #include <slirp.h>
 
 #if defined(_WIN32)
diff --git a/slirp/cksum.c b/slirp/cksum.c
index 63286600e7..bc0d017d24 100644
--- a/slirp/cksum.c
+++ b/slirp/cksum.c
@@ -30,6 +30,7 @@
  * in_cksum.c,v 1.2 1994/08/02 07:48:16 davidg Exp
  */
 
+#include "qemu/osdep.h"
 #include <slirp.h>
 
 /*
diff --git a/slirp/dnssearch.c b/slirp/dnssearch.c
index 4c9064ecb6..aed2f13af5 100644
--- a/slirp/dnssearch.c
+++ b/slirp/dnssearch.c
@@ -22,9 +22,7 @@
  * THE SOFTWARE.
  */
 
-#include <stdlib.h>
-#include <string.h>
-#include <stdio.h>
+#include "qemu/osdep.h"
 #include <glib.h>
 #include "slirp.h"
 
diff --git a/slirp/if.c b/slirp/if.c
index 8325a2afb5..93d7cc0b43 100644
--- a/slirp/if.c
+++ b/slirp/if.c
@@ -5,6 +5,7 @@
  * terms and conditions of the copyright.
  */
 
+#include "qemu/osdep.h"
 #include <slirp.h>
 #include "qemu/timer.h"
 
diff --git a/slirp/ip_icmp.c b/slirp/ip_icmp.c
index 592f33a827..ace39821d9 100644
--- a/slirp/ip_icmp.c
+++ b/slirp/ip_icmp.c
@@ -30,6 +30,7 @@
  * ip_icmp.c,v 1.7 1995/05/30 08:09:42 rgrimes Exp
  */
 
+#include "qemu/osdep.h"
 #include "slirp.h"
 #include "ip_icmp.h"
 
diff --git a/slirp/ip_input.c b/slirp/ip_input.c
index 7d436e6ecc..e4855ae0f0 100644
--- a/slirp/ip_input.c
+++ b/slirp/ip_input.c
@@ -38,6 +38,7 @@
  * terms and conditions of the copyright.
  */
 
+#include "qemu/osdep.h"
 #include <slirp.h>
 #include <qemu/osdep.h>
 #include "ip_icmp.h"
diff --git a/slirp/ip_output.c b/slirp/ip_output.c
index 1254d0d585..0d6b3b8312 100644
--- a/slirp/ip_output.c
+++ b/slirp/ip_output.c
@@ -38,6 +38,7 @@
  * terms and conditions of the copyright.
  */
 
+#include "qemu/osdep.h"
 #include <slirp.h>
 
 /* Number of packets queued before we start sending
diff --git a/slirp/mbuf.c b/slirp/mbuf.c
index bc942b63e4..c959758465 100644
--- a/slirp/mbuf.c
+++ b/slirp/mbuf.c
@@ -15,6 +15,7 @@
  * the flags
  */
 
+#include "qemu/osdep.h"
 #include <slirp.h>
 
 #define MBUF_THRESH 30
diff --git a/slirp/misc.c b/slirp/misc.c
index 5497161f13..e2eea2e4b3 100644
--- a/slirp/misc.c
+++ b/slirp/misc.c
@@ -5,6 +5,7 @@
  * terms and conditions of the copyright.
  */
 
+#include "qemu/osdep.h"
 #include <slirp.h>
 #include <libslirp.h>
 
diff --git a/slirp/sbuf.c b/slirp/sbuf.c
index b8c3db744f..dd4cb8c139 100644
--- a/slirp/sbuf.c
+++ b/slirp/sbuf.c
@@ -5,6 +5,7 @@
  * terms and conditions of the copyright.
  */
 
+#include "qemu/osdep.h"
 #include <slirp.h>
 #include <qemu/main-loop.h>
 
diff --git a/slirp/slirp.c b/slirp/slirp.c
index b900775eff..0466d330da 100644
--- a/slirp/slirp.c
+++ b/slirp/slirp.c
@@ -21,6 +21,7 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
+#include "qemu/osdep.h"
 #include "qemu-common.h"
 #include "qemu/timer.h"
 #include "qemu/error-report.h"
diff --git a/slirp/socket.c b/slirp/socket.c
index f7e596859f..2b5453e020 100644
--- a/slirp/socket.c
+++ b/slirp/socket.c
@@ -5,6 +5,7 @@
  * terms and conditions of the copyright.
  */
 
+#include "qemu/osdep.h"
 #include "qemu-common.h"
 #include <slirp.h>
 #include "ip_icmp.h"
diff --git a/slirp/tcp_input.c b/slirp/tcp_input.c
index f24e7060a4..2027a7511d 100644
--- a/slirp/tcp_input.c
+++ b/slirp/tcp_input.c
@@ -38,6 +38,7 @@
  * terms and conditions of the copyright.
  */
 
+#include "qemu/osdep.h"
 #include <slirp.h>
 #include "ip_icmp.h"
 
diff --git a/slirp/tcp_output.c b/slirp/tcp_output.c
index fafca58a0a..34e4d2e5d4 100644
--- a/slirp/tcp_output.c
+++ b/slirp/tcp_output.c
@@ -38,6 +38,7 @@
  * terms and conditions of the copyright.
  */
 
+#include "qemu/osdep.h"
 #include <slirp.h>
 
 static const u_char  tcp_outflags[TCP_NSTATES] = {
diff --git a/slirp/tcp_subr.c b/slirp/tcp_subr.c
index 36e325618d..b1aa1f23f4 100644
--- a/slirp/tcp_subr.c
+++ b/slirp/tcp_subr.c
@@ -38,6 +38,7 @@
  * terms and conditions of the copyright.
  */
 
+#include "qemu/osdep.h"
 #include <slirp.h>
 
 /* patchable/settable parameters for tcp */
diff --git a/slirp/tcp_timer.c b/slirp/tcp_timer.c
index 6c5bb11cc3..1214c2e6fa 100644
--- a/slirp/tcp_timer.c
+++ b/slirp/tcp_timer.c
@@ -30,6 +30,7 @@
  * tcp_timer.c,v 1.2 1994/08/02 07:49:10 davidg Exp
  */
 
+#include "qemu/osdep.h"
 #include <slirp.h>
 
 static struct tcpcb *tcp_timers(register struct tcpcb *tp, int timer);
diff --git a/slirp/tftp.c b/slirp/tftp.c
index ccb613014a..abb010621c 100644
--- a/slirp/tftp.c
+++ b/slirp/tftp.c
@@ -22,6 +22,7 @@
  * THE SOFTWARE.
  */
 
+#include "qemu/osdep.h"
 #include <slirp.h>
 #include "qemu-common.h"
 
diff --git a/slirp/udp.c b/slirp/udp.c
index 92c48c491e..6b39cab0c6 100644
--- a/slirp/udp.c
+++ b/slirp/udp.c
@@ -38,6 +38,7 @@
  * terms and conditions of the copyright.
  */
 
+#include "qemu/osdep.h"
 #include <slirp.h>
 #include "ip_icmp.h"