--- /dev/null
+--- a/squashfs-tools/global.h
++++ b/squashfs-tools/global.h
+@@ -44,4 +44,8 @@ typedef long long squashfs_fragment_inde
+ typedef squashfs_inode_t squashfs_inode;
+ typedef squashfs_block_t squashfs_block;
+
++#ifndef FNM_EXTMATCH
++#define FNM_EXTMATCH 0
++#endif
++
+ #endif
+--- a/squashfs-tools/unsquashfs.h
++++ b/squashfs-tools/unsquashfs.h
+@@ -49,8 +49,10 @@
+ #define __BYTE_ORDER BYTE_ORDER
+ #define __BIG_ENDIAN BIG_ENDIAN
+ #define __LITTLE_ENDIAN LITTLE_ENDIAN
++#include <sys/sysctl.h>
+ #else
+ #include <endian.h>
++#include <sys/sysinfo.h>
+ #endif
+
+ #include "squashfs_fs.h"