2 files changed, 13 insertions, 0 deletions
diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h
index b6ffdc15bf..ba15be9c56 100644
--- a/include/qemu/osdep.h
+++ b/include/qemu/osdep.h
@@ -710,4 +710,16 @@ static inline void qemu_thread_jit_write(void) {}
 static inline void qemu_thread_jit_execute(void) {}
 #endif
 
+/**
+ * Platforms which do not support system() return ENOSYS
+ */
+#ifndef HAVE_SYSTEM_FUNCTION
+#define system platform_does_not_support_system
+static inline int platform_does_not_support_system(const char *command)
+{
+    errno = ENOSYS;
+    return -1;
+}
+#endif /* !HAVE_SYSTEM_FUNCTION */
+
 #endif
diff --git a/include/qemu/typedefs.h b/include/qemu/typedefs.h
index 976b529dfb..68deb74ef6 100644
--- a/include/qemu/typedefs.h
+++ b/include/qemu/typedefs.h
@@ -34,6 +34,7 @@ typedef struct BlockDriverState BlockDriverState;
 typedef struct BusClass BusClass;
 typedef struct BusState BusState;
 typedef struct Chardev Chardev;
+typedef struct Clock Clock;
 typedef struct CompatProperty CompatProperty;
 typedef struct CoMutex CoMutex;
 typedef struct CPUAddressSpace CPUAddressSpace;