src/cairo/build/mkdep.awk

   1 #  +----------------------------------------------------------------------+
   2 #  | PHP Version 5                                                        |
   3 #  +----------------------------------------------------------------------+
   4 #  | Copyright (c) 2000-2006 The PHP Group                                |
   5 #  +----------------------------------------------------------------------+
   6 #  | This source file is subject to version 3.01 of the PHP license,      |
   7 #  | that is bundled with this package in the file LICENSE, and is        |
   8 #  | available through the world-wide-web at the following url:           |
   9 #  | http://www.php.net/license/3_01.txt                                  |
  10 #  | If you did not receive a copy of the PHP license and are unable to   |
  11 #  | obtain it through the world-wide-web, please send a note to          |
  12 #  | license@php.net so we can mail you a copy immediately.               |
  13 #  +----------------------------------------------------------------------+
  14 #  | Author: Sascha Schumann <sascha@schumann.cx>                         |
  15 #  +----------------------------------------------------------------------+
  16 #
  17 # $Id: mkdep.awk,v 1.8.2.1 2006/01/01 12:50:00 sniper Exp $
  18 #
  19 # Usage:
  20 #
  21 # echo top_srcdir top_builddir srcdir CPP [CPP-ARGS] filenames | \
  22 #      awk -f mkdep.awk > dependencies
  23
  24
  25 {
  26         top_srcdir=$1
  27         top_builddir=$2
  28         srcdir=$3
  29         cmd=$4
  30
  31         for (i = 5; i <= NF; i++) {
  32                 if (match($i, "^-[A-Z]") == 0)
  33                         break;
  34                 cmd=cmd " " $i
  35         }
  36
  37         dif=i-1
  38
  39         for (; i <= NF; i++)
  40                 filenames[i-dif]=$i
  41
  42         no_files=NF-dif
  43
  44         for(i = 1; i <= no_files; i++) {
  45                 if (system("test -r " filenames[i]) != 0)
  46                         continue
  47
  48                 target=filenames[i]
  49                 sub(srcdir "/", "", target)
  50                 target2=target
  51                 sub("\.(c|cpp)$", ".lo", target);
  52                 sub("\.(c|cpp)$", ".slo", target2);
  53
  54                 for (e in used)
  55                         delete used[e]
  56
  57                 cmdx=cmd " " filenames[i]
  58                 done=0
  59                 while ((cmdx | getline) > 0) {
  60                         if (match($0, "^# [0-9]* \".*\.h\"") != 0) {
  61                                 if (sub(top_srcdir, "$(top_srcdir)", $3) == 0)
  62                                         sub(top_builddir, "$(top_builddir)", $3)
  63                                 if (substr($3,2,1) != "/" && used[$3] != 1) {
  64                                         if (done == 0)
  65                                                 printf(target " " target2 ":")
  66                                         done=1
  67                                         printf(" \\\n\t" substr($3,2,length($3)-2))
  68                                         used[$3] = 1;
  69                                 }
  70                         }
  71                 }
  72                 if (done == 1)
  73                         print "\n"
  74         }
  75 }