here are the changes:

commit b3b462229f972e2ed24d450d7d2f8855cdd58a87
Author: Ed Maste <emaste@FreeBSD.org>
Date:   Fri Apr 1 09:58:47 2022 -0400

    installworld: handle ldd including preloaded objects

    The installworld target makes a temporary copy of binaries to be used
    during the install.  Libraries that they depend on are also included,
    found by using `ldd`.

    After commit 0913953c9ed0 ldd started listing preloaded objects,
    including [vdso], under a [preloaded] header.  Skip ldd output that is
    enclosed in square brackets.

    Reviewed by:    cy, kib [earlier version]
    MFC after:      3 days
    Sponsored by:   The FreeBSD Foundation
    Differential Revision:  https://reviews.freebsd.org/D34734

and then I rewrote it to be zsh friendly with:

commit bda5d2a45c8dcc9bbeb71cddeef930ffa6a47f23
Author: Brooks Davis <brooks@FreeBSD.org>
Date:   Fri Jul 1 08:33:16 2022 +0100

    installworld: improve portability of ldd use

    b3b462229f97 added a case statement to ignore lines containing strings
    in square brackets such as "[vdso]" and "[preloaded]". On MacOS
    Monterey where /bin/sh may be zsh, this fails with:

    /bin/sh: -c: line 0: syntax error near unexpected token `;;'

    Invoke grep in the pipeline to remove such lines instead.

    Reviewed by:    emaste
    Sponsored by:   DARPA, AFRL
    Differential Revision:  https://reviews.freebsd.org/D35618

diff --git a/Makefile.inc1 b/Makefile.inc1
index 20c537512273..12bb892dfd58 100644
--- a/Makefile.inc1
+++ b/Makefile.inc1
@@ -1368,12 +1368,8 @@ distributeworld installworld stageworld:
_installcheck_world .PHONY
                fi; \
            done); \
        if [ -z "${CROSSBUILD_HOST}" ] ; then \
-               libs=3D$$(ldd -f "%o %p\n" -f "%o %p\n" $$progs 2>/dev/null=
 |
sort -u | \
+               libs=3D$$(ldd -f "%o %p\n" -f "%o %p\n" $$progs 2>/dev/null=
 |
sort -u | grep -Ev '\[.*]' | \
                    while read line; do \
-                       case $$line in \
-                       "["*"]") \
-                               continue;; \
-                       esac; \
                        set -- $$line; \
                        if [ "$$2 $$3" !=3D "not found" ]; then \
                                echo $$2; \

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