Project

General

Profile

1
#!/bin/bash -e
2
. "$(dirname "${BASH_SOURCE[0]}")"/util.sh
3

    
4
if self_not_included; then
5

    
6
if isset rm; then : "${remake:=$rm}"; fi #mnemonic: files are rm'd (overwritten)
7

    
8
# usage: target_filename/command() { echo_func; set_make_vars; use $target...; }
9
alias set_make_vars="$(cat <<'EOF'
10
local command="${FUNCNAME##*/}"; echo_vars command
11
local target_filename="${FUNCNAME%/*}"; echo_vars target_filename
12
local target="$top_dir/$target_filename"; echo_vars target
13
local target_stem="${target_filename%.*}"; echo_vars target_stem
14
local _remake="$remake" remake=; echo_vars _remake
15
EOF
16
)" # `remake=`: don't progagate remake to prerequisites
17

    
18
# usage: remaking || check if exists
19
# cmd line usage: [remake=1] func
20
alias remaking='test "$_remake"'
21

    
22
# usage: set_make_vars; ...; self_make overridden_target... # progagates $remake
23
function self_make() { remake="$_remake" "$@"; }
24
alias self_make='"self_make" ' # last space alias-expands next word
25

    
26
# usage: set_make_vars; check_target_exists
27
alias check_target_exists='remaking || require_not_exists "$target" || return 0'
28
alias check_fake_target_exists='remaking || declare if_not_exists=1'
29
	# defer check until to_file
30

    
31
# usage: set_make_vars; to_target cmd...
32
alias to_target='stdout="$target" to_file ' # last space alias-expands next word
33

    
34
make() # usage: table_make target...
35
{
36
	echo_func
37
	(
38
		# at verbosity < 3, hide messages about making included Makefiles
39
		# this can reduce # lines of output to 1/3 as much
40
		if ! "log+" 2 can_log; then fd="$log_fd" "log++" filter_fd grep -vE \
41
'^make( ([^-]\S*)?|\[\d+\]: .*)Makefile'; fi
42
		cmd_log_fd=1 self $(if ! can_log; then echo '--silent '; fi)"$@"
43
	)
44
}
45

    
46
top_make() { echo_func; make --directory="$top_dir" "$@"; }
47

    
48
if false; then ## usage:
49
inline_make <<'EOF'
50
target:
51
	$(self_dir)/cmd >$@
52
EOF
53
# target will be run automatically because it's first in the makefile
54
fi ##
55
inline_make()
56
{
57
	echo_func
58
	local_export self="$(readlink -f "${BASH_SOURCE[1]}")"; echo_vars self
59
	local_export self_dir="$(dirname "$self")"; echo_vars self_dir
60
	
61
	make --makefile=<((
62
		cat # script stdin from caller-provided stdin
63
		echo -n "
64
.SUFFIXES: # turn off built-in suffix rules
65
.SECONDARY: # don't automatically delete intermediate files
66
.DELETE_ON_ERROR: # delete target if recipe fails
67
"
68
	)|echo_stdin) "$@" <&20 # make's stdin from global stdin
69
}
70

    
71
fi
(6-6/8)