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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<div class='path'>path: <a href='/guix/log/?id=6c148eaae7ed0688e1e42b092f02ba8a4a870edf'>root</a>/<a href='/guix/log/tests?id=6c148eaae7ed0688e1e42b092f02ba8a4a870edf'>tests</a>/<a href='/guix/log/tests/guix-build-branch.sh?id=6c148eaae7ed0688e1e42b092f02ba8a4a870edf'>guix-build-branch.sh</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/tests/guix-build-branch.sh?id=6c148eaae7ed0688e1e42b092f02ba8a4a870edf&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-09-28 21:06:36 -0500'>2020-09-28</span></td><td><a href='/guix/commit/tests/guix-build-branch.sh?id=d8934360d2453a403b5433e71d09188e4ed23b57'>tests: Simplify shell exit status negation;</a><span class='msg-avail'>...<span class='msg-tooltip'>* tests/guix-archive.sh, tests/guix-build-branch.sh, tests/guix-build.sh,
tests/guix-daemon.sh, tests/guix-download.sh, tests/guix-environment.sh,
tests/guix-gc.sh, tests/guix-git-authenticate.sh, tests/guix-graph.sh,
tests/guix-hash.sh, tests/guix-lint.sh, tests/guix-pack-relocatable.sh,
tests/guix-pack.sh, tests/guix-package-aliases.sh, tests/guix-package-net.sh,
tests/guix-package.sh: Use the shell '!' keyword to negate command exit status
in place of 'if ...; then false; else true; fi'
</span></span></td><td>Eric Bavier</td></tr>
<tr><td><span title='2020-04-04 18:52:36 +0200'>2020-04-04</span></td><td><a href='/guix/commit/tests/guix-build-branch.sh?id=3cea55078857ecd8ca67fd7cf4eaebb13fb6d9d3'>tests: Adjust '--with-commit' test for tags.</a><span class='msg-avail'>...<span class='msg-tooltip'>This is a followup to efa578ecaece67366b4b0e2266de7c2faaa4ae54.

* tests/guix-build-branch.sh: Adjust '--with-commit=guile-gcrypt=v0.1.0'
test to expect the tag ID rather than the commit ID.
</span></span></td><td>Ludovic Courtès</td></tr>