1 #! /bin/sh 2 # 3 # This file is used by adlc.make to selectively update generated 4 # adlc files. Because source and target diretories are relative 5 # paths, this file is copied to the target build directory before 6 # use. 7 # 8 # adlc-updater <file> <source-dir> <target-dir> 9 # 10 fix_lines() { 11 # repair bare #line directives in $1 to refer to $2 12 awk < $1 > $1+ ' 13 /^#line 999999$/ {print "#line " (NR+1) " \"" F2 "\""; next} 14 {print} 15 ' F2=$2 16 mv $1+ $1 17 } 18 fix_lines $2/$1 $3/$1 19 [ -f $3/$1 ] && cmp -s $2/$1 $3/$1 || \ 20 ( [ -f $3/$1 ] && echo Updating $3/$1 ; touch $2/made-change ; mv $2/$1 $3/$1 )