if isset rm; then : "${remake:=$rm}"; fi #mnemonic: files are rm'd (overwritten)

# usage: target_filename/command() { echo_func; set_make_vars; use $target...; }

alias set_make_vars="$(cat <<'EOF'

local target_stem="${target_filename%.*}"; echo_vars target_stem

local _remake="$remake" remake=; echo_vars _remake

EOF

)" # `remake=`: don't progagate remake to prerequisites

# usage: remaking || check if exists

# usage: set_make_vars; ...; self_make overridden_target... # progagates $remake

function self_make() { remake="$_remake" "$@"; }

# usage: set_make_vars; check_target_exists

alias check_target_exists='remaking || require_not_exists "$target" || return 0'

alias deferred_check_target_exists='remaking || declare if_not_exists=1'

	# defer check until to_file

alias check_fake_target_exists='deferred_check_target_exists'

alias wildcard1_target='local target="$(wildcard1 "$top_dir"/$target_filename)"'

make() # usage: make target...

{

	echo_func

	(

		# at verbosity < 4, hide messages about making included Makefiles

		# this can reduce # lines of output to 1/3 as much

		if ! "log+" 3 can_log; then fd="$log_fd" clog++ filter_fd sed \

		time cmd_log_fd=1 self $(if ! can_log; then echo '--silent '; fi)"$@"

	)

}

top_make() { echo_func; make --directory="$top_dir" "$@"; }

if false; then ## usage:

inline_make <<'EOF'

target:

inline_make()

{

	local_export self="$(readlink -f "${BASH_SOURCE[1]}")"; echo_vars self

		cat # script stdin from caller-provided stdin

		echo -n "

	)|echo_stdin) "$@" <&20 # make's stdin from global stdin

}