This code should now build the x86_x64-softmmu part 2.

qemu/target-m68k/m68k-semi.c

@@ -21,10 +21,9 @@
 #include <sys/stat.h>
 #include <errno.h>
 #include <fcntl.h>
-#include <unistd.h>
+#include "platform.h"
 #include <stdlib.h>
 #include <stdio.h>
-#include <sys/time.h>
 #include <time.h>
 
 #include "cpu.h"

qemu/target-m68k/unicorn.c

@@ -105,7 +105,7 @@ int m68k_reg_write(struct uc_struct *uc, unsigned int *regs, void *const *vals,
     return 0;
 }
 
-__attribute__ ((visibility ("default")))
+DEFAULT_VISIBILITY
 void m68k_uc_init(struct uc_struct* uc)
 {
     register_accel_types(uc);