From b043fba39e79692724b9003e92254043d984ce89 Mon Sep 17 00:00:00 2001
From: wrowe <wrowe@13f79535-47bb-0310-9956-ffa450edef68>
Date: Thu, 1 Apr 2010 03:40:51 +0000
Subject: Eliminate all external dependencies upon execution of fixwin32mak.pl,
 to guard the resulting mak/dep files from header dependency chains that are
 very specific to one version.  This allows apr-util, for example, to build
 somewhere other than relative to ../apr.

Backports: r929796

git-svn-id: http://svn.apache.org/repos/asf/apr/apr/branches/1.4.x@929797 13f79535-47bb-0310-9956-ffa450edef68
---
 build/fixwin32mak.pl | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/build/fixwin32mak.pl b/build/fixwin32mak.pl
index b559eeccf..49853b34b 100644
--- a/build/fixwin32mak.pl
+++ b/build/fixwin32mak.pl
@@ -135,6 +135,28 @@ sub fixcwd {
             print "Touched datestamp for " . $oname . " in " . $File::Find::dir . "\n"; 
         }
         $oname =~ s/.mak$/.dep/;
+        $verchg = 0;
+        $srcfl = new IO::File $oname, "r" || die;
+        $dstfl = new IO::File $tname, "w" || die;
+        while ($src = <$srcfl>) {
+            if (($src =~ m/^\t"(\.\.\\)+(apr|apr-util|apr-iconv)\\.*"\\/) || 
+                ($src =~ m/^\t{\$\(INCLUDE\)}".*"\\/)) {
+                $verchg = -1;
+            }
+            else {
+                print $dstfl $src;
+            }
+        }
+        undef $srcfl;
+        undef $dstfl;
+        if ($verchg) {
+            unlink $oname || die;
+            rename $tname, $oname || die;
+            print "Stripped external dependencies from " . $oname . " in " . $File::Find::dir . "\n"; 
+        }
+        else {
+            unlink $tname || die;
+        }
         @ostat = stat($oname);    
         if ($ostat[9] && $dstat[9] && ($ostat[9] != $dstat[9])) {
             @onames = ($oname);
-- 
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