xref: /plan9/sys/src/cmd/mk/mkconv (revision 219b2ee8daee37f4aad58d63f21287faa8e4ffdc)
1#!/bin/rc
2
3x=/tmp/mk$pid
4
5fn sigexit { rm -f $x }
6fn sigint { rm -f $x }
7
8tee $x < $1 | sed -e 's/\$\(([^)]*)\)([        :\/])/$\1\2/g
9	s/\$\(([^)]*)\)$/$\1/g
10	s/\$\(([^)]*)\)/${\1}/g
11	s/^     @/  /
12	/^	-/,/[^\\]$/{
13		/[^\\]\$/s/$/; set -e/
14	}
15	/^	-/s/	-/	set +e; /
16	s/:\&/:/
17	s/\$% /$stem /g
18	s/\$%\./$stem\./g
19	s/\$%/${stem}/g
20	s/\$@([ 	]|$)/$target\1/g
21	s/\$@/${target}/g
22	s/\$\^/${prereq}/g
23	s/\$\?/$newprereq/g'
24
25if(grep -s 'cd[ 	]|make' < $x){
26	{
27		echo 'Warning: recipes containing cd or make need attention.'
28		grep 'cd[ 	]|make' < $x
29	} >[1=2]
30}
31