This patch is from Debian, named '0006-arm64.patch'

Author: Riku Voipio <riku.voipio@linaro.org>
Description: fuse_kernel.h: clean includes
 Use <linux/types.h> for linux and define types used for other operating systems
 using <stdint.h> types (Closes: #752081).

diff -Naurp fuse.orig/include/fuse_kernel.h fuse/include/fuse_kernel.h
--- fuse.orig/include/fuse_kernel.h
+++ fuse/include/fuse_kernel.h
@@ -88,12 +88,16 @@
 #ifndef _LINUX_FUSE_H
 #define _LINUX_FUSE_H
 
-#include <sys/types.h>
+#ifdef __linux__
+#include <linux/types.h>
+#else
+#include <stdint.h>
 #define __u64 uint64_t
 #define __s64 int64_t
 #define __u32 uint32_t
 #define __s32 int32_t
 #define __u16 uint16_t
+#endif
 
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<tr><td><span title='2020-12-09 14:13:32 +0100'>2020-12-09</span></td><td><a href='/guix/commit/gnu/services/avahi.scm?id=59a6780f70e138a515dfe9c3b5b5399dbd91c228'>services: avahi: Depend on 'user-processes'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-01-19 06:09:01 +0100'>2020-01-19</span></td><td><a href='/guix/commit/gnu/services/avahi.scm?id=f460f8da68f915dee5aa3ce97e05ba38c92f3106'>gnu: Use HTTPS for avahi.org everywhere.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2019-01-16 14:07:37 +0100'>2019-01-16</span></td><td><a href='/guix/commit/gnu/services/avahi.scm?id=2e04ab7147948b51d4e437ca9ba910530ac2a788'>services: avahi: Deprecate the 'avahi-service' procedure.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-02-19 00:33:34 +0100'>2018-02-19</span></td><td><a href='/guix/commit/gnu/services/avahi.scm?id=37084ba5613d3ef9d38c7e8d0ea6ac3d4155cea9'>services: avahi: Publish '_workstation._tcp' by default.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-02-19 00:33:34 +0100'>2018-02-19</span></td><td><a href='/guix/commit/gnu/services/avahi.scm?id=ad7a807d84827f504d492cc1e2ac84f287fd29f6'>services: avahi: Read PID file from /run.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-02-15 10:16:00 +0100'>2018-02-15</span></td><td><a href='/guix/commit/gnu/services/avahi.scm?id=9859b5c190b43a2d53f03f1ac71bad20c74b632b'>gnu: nss-mdns: Update to 0.12.0.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-02-09 15:17:41 +0100'>2018-02-09</span></td><td><a href='/guix/commit/gnu/services/avahi.scm?id=a68fdfea96370c8a4b95af1fcd6e2fd7eb72da29'>services: avahi: Default to nss-mdns 0.10.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>