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From: Mark Millard <markmi@dsl-only.net>
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Subject: Re: svn commit: r320502 - head/share/mk [problem is ITOOLS in
 Makefile.inc1 is missing head from its list --at least for powerpc64]
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Date: Fri, 30 Jun 2017 23:23:23 -0700
Cc: Steve Wills <swills@freebsd.org>
To: Ed Maste <emaste@freebsd.org>,
 svn-src-head@freebsd.org
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In /usr/src/Makefile.inc1 :

ITOOLS= [ awk cap_mkdb cat chflags chmod chown cmp cp \
       date echo egrep find grep id install ${_install-info} \
       ln make mkdir mtree mv pwd_mkdb \
       rm sed services_mkdb sh strip sysctl test true uname wc ${_zoneinfo} \
       ${LOCAL_ITOOLS}

does not list "head" as a tool and so is not put in place
with the other tools.

head is used in:

Modified: head/share/mk/bsd.linker.mk
. . .
-_ld_version!=	${${ld}} --version 2>/dev/null | head -n 1 || echo none
+_ld_version!=	(${${ld}} --version || echo none) | head -n 1
. . .

(either way) and so should be made available.

In my environment I've just been using LOCAL_ITOOLS=head to avoid the
issue for powerpc64 and its install32 activity.

===
Mark Millard
markmi at dsl-only.net