toolchain/56149: Recent NetBSD-current tools (build.sh) do not build on arm64 based Linux

[cjep%netbsd.org@localhost]

>Number:         56149
>Category:       toolchain
>Synopsis:       Recent NetBSD-current tools (build.sh) do not build on arm64 based Linux
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    toolchain-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu May 06 07:40:00 +0000 2021
>Originator:     Chris Pinnock
>Release:        NetBSD-current as of 6/5/21
>Organization:
>Environment:
Linux ip-172-31-5-44.eu-west-2.compute.internal 4.14.231-173.361.amzn2.aarch64 #1 SMP Mon Apr 26 20:57:10 UTC 2021 aarch64 aarch64 aarch64 GNU/Linux
>Description:
build.sh breaks during the build on arm64 Linux. It works fine on the same
distribution on x86.

In file included from /home/ec2-user/netbsd-current/src/tools/libctf/../compat/c 
ompat_defs.h:100:0,
                 from /home/ec2-user/netbsd-current/src/obj/tooldir.Linux-4.14.2 
31-173.361.amzn2.aarch64-aarch64/include/compat/nbtool_config.h:928,
                 from /home/ec2-user/netbsd-current/src/tools/libctf/../../exter 
nal/cddl/osnet/dist/common/ctf/ctf_create.c:23:
/home/ec2-user/netbsd-current/src/tools/libctf/../../external/cddl/osnet/sys/sys 
/types.h:66:20: error: unknown type name '__hide_longlong_t'

>How-To-Repeat:
	1. Roll up AWS VM with Amazon Linux 2 (arm64)
	2. Install gcc gcc-c++ zlib zlib-devel and friends
	3. Get src tar balls
	4. Run build.sh -U -m amd64 tools
>Fix:

>Unformatted:
 Amazon Linux 2/arm64