Plan 9 from Bell Labs’s /usr/web/sources/contrib/steve/root/sys/src/cmd/mkmk/9port/patch
#!/bin/rc cd /sys/src/ape/cmd/patch rm -rf ChangeLog INSTALL Makefile.* README rm -rf NEWS install-sh acconfig.h FREEBSD-upgrade mkmk -I. '-Ded_PROGRAM="/bin/ed"' -B -DHAVE_CONFIG_H -D_BSD_EXTENSION -o patch > mkfile