Error when build on macos Catalina

[alexd1971]

MacOs 10.15.5 (19F101) Last several lines of output:

Writing LC_FUNCTION_STARTS command
Writing LC_DATA_IN_CODE   command
2912 unused bytes follow Mach-O header
94487 pure bytes used
mv -f emacs bootstrap-emacs
/Applications/Xcode.app/Contents/Developer/usr/bin/make -C ../lisp compile-first EMACS="../src/bootstrap-emacs"
  ELC      emacs-lisp/macroexp.elc
/bin/sh: line 1: 40473 Killed: 9               EMACSLOADPATH= '../src/bootstrap-emacs' -batch --no-site-file --no-site-lisp --eval '(setq load-prefer-newer t)' -f batch-byte-compile emacs-lisp/macroexp.el
make[2]: *** [emacs-lisp/macroexp.elc] Error 137
make[1]: *** [bootstrap-emacs] Error 2
make: *** [src] Error 2

[takaxp]

FYI... https://lists.gnu.org/archive/html/emacs-devel/2020-04/msg01811.html