From 9b0e85cbd573d6cc9683ff7808306f2dbc0fdf0f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ond=C5=99ej=20Sur=C3=BD?= <ondrej@isc.org>
Date: Wed, 15 Apr 2020 14:44:42 +0200
Subject: [PATCH] Don't escape spaces in CONFIGARGS, use double backslash with
 all whitespace

---
 win32utils/Configure | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/win32utils/Configure b/win32utils/Configure
index daad52f047..9fcf6e512d 100644
--- a/win32utils/Configure
+++ b/win32utils/Configure
@@ -640,8 +640,9 @@ getversion();
 
 sub appargs {
     my $arg = $_[0];
-    # escape backslashes, spaces and double quotes
-    $arg =~ s/([\\ "])/\\$1/g;
+    # escape backslashes and double quotes
+    $arg =~ s/([\\"])/\\$1/g;
+    $arg =~ s/([\s])/\\\\$1/g;
     if (defined($configdefh{"CONFIGARGS"})) {
         $configdefh{"CONFIGARGS"} .= " " . $arg;
     } else {