view make/bsd/adlc_updater @ 7412:3f84e17b6bca

8004802: jcmd VM.native_memory baseline=false crashes VM Summary: NMT has to check option's value also to determine which command to execute Reviewed-by: acorn, coleenp, hseigel
author zgu
date Mon, 17 Dec 2012 13:14:02 -0500
parents f08d439fab8c
children
line wrap: on
line source

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