From 1f8a0b38638b171cf789a9f44cc9e8cd38bbf4d3 Mon Sep 17 00:00:00 2001
From: Nicholas Clark <nick@ccl4.org>
Date: Tue, 10 Feb 2009 09:36:47 +0000
Subject: [PATCH] All extensions are at the top level, so no longer any need to
 recurse.

---
 Configure        | 17 ++++-------------
 win32/FindExt.pm | 20 +++++++-------------
 2 files changed, 11 insertions(+), 26 deletions(-)

diff --git a/Configure b/Configure
index 0d72a68..a549650 100755
--- a/Configure
+++ b/Configure
@@ -21612,8 +21612,7 @@ nonxs_extensions=''
 : some additional extensions into the source tree and expect them
 : to be built.
 
-: Function to recursively find available extensions, ignoring DynaLoader
-: NOTE: recursion limit of 10 to prevent runaway in case of symlink madness
+: Function to find available extensions, ignoring DynaLoader
 find_extensions='
     for xxx in *; do
 	case "$xxx" in
@@ -21622,17 +21621,9 @@ find_extensions='
 	    this_ext=`echo $xxx | $sed -e s/-/\\\//g`;
 	    leaf=`echo $xxx | $sed -e s/.*-//`;
 	    if $test -f $xxx/$leaf.xs -o -f $xxx/$leaf.c; then
-		known_extensions="$known_extensions $1$this_ext";
-	    elif $test -f $xxx/Makefile.PL; then
-		nonxs_extensions="$nonxs_extensions $1$this_ext";
-	    else
-		if $test -d $xxx -a $# -lt 10; then
-		    set $1$xxx/ $*;
-		    cd "$xxx";
-		    eval $find_extensions;
-		    cd ..;
-		    shift;
-		fi;
+		known_extensions="$known_extensions $this_ext";
+	    elif $test -d $xxx; then
+		nonxs_extensions="$nonxs_extensions $this_ext";
 	    fi
 	    ;;
 	esac;
diff --git a/win32/FindExt.pm b/win32/FindExt.pm
index 7ceb1ac..7bf9d52 100644
--- a/win32/FindExt.pm
+++ b/win32/FindExt.pm
@@ -32,7 +32,7 @@ sub set_static_extensions {
 sub scan_ext
 {
     my $dir  = shift;
-    find_ext("$dir/", '');
+    find_ext("$dir/");
     extensions();
 }
 
@@ -63,31 +63,25 @@ sub is_static
  return $ext{$_[0]} eq 'static'
 }
 
-# Function to recursively find available extensions, ignoring DynaLoader
-# NOTE: recursion limit of 10 to prevent runaway in case of symlink madness
+# Function to find available extensions, ignoring DynaLoader
 sub find_ext
 {
     my $ext_dir = shift;
-    my $prefix = shift;
-    opendir my $dh, "$ext_dir$prefix";
+    opendir my $dh, "$ext_dir";
     while (defined (my $item = readdir $dh)) {
         next if $item =~ /^\.\.?$/;
         next if $item eq "DynaLoader";
-        my $this_ext = my $this_ext_dir = "$prefix$item";
+        next unless -d "$ext_dir$item";
+        my $this_ext = $item;
         my $leaf = $item;
 
         $this_ext =~ s!-!/!g;
         $leaf =~ s/.*-//;
 
-        if (-f "$ext_dir$this_ext_dir/$leaf.xs" || -f "$ext_dir$this_ext_dir/$leaf.c" ) {
+        if (-f "$ext_dir$item/$leaf.xs" || -f "$ext_dir$item/$leaf.c" ) {
             $ext{$this_ext} = $static{$this_ext} ? 'static' : 'dynamic';
-        } elsif (-f "$ext_dir$this_ext_dir/Makefile.PL") {
-            $ext{$this_ext} = 'nonxs';
         } else {
-            # It's not actually an extension. So recurse into it.
-            if (-d "$ext_dir$this_ext_dir" && $prefix =~ tr#/## < 10) {
-                find_ext($ext_dir, "$this_ext_dir/");
-            }
+            $ext{$this_ext} = 'nonxs';
         }
         $ext{$this_ext} = 'known' if $ext{$this_ext} && $item =~ $no;
     }
-- 
1.8.3.1