#!/bin/bash
# install(1) shim: BSD install, which is what xnu's makefiles assume.
# libkern/libkern/Makefile calls plain `install $(DATA_INSTALL_FLAGS) $< $@`
# with DATA_INSTALL_FLAGS = "-c -S -m 0644". GNU install reads -S as
# "--suffix=<arg>" and swallows the -m, so the copy fails. Drop the BSD-only
# flags and hand the rest to GNU install.
args=()
while [ $# -gt 0 ]; do
    case "$1" in
        -S|-c) shift ;;                 # BSD: safe-copy / copy (GNU default)
        -p)    shift ;;                 # BSD: preserve mtime
        -b|-C) shift ;;                 # BSD: backup / compare-then-copy
        *)     args+=("$1"); shift ;;
    esac
done
exec /usr/bin/install "${args[@]}"