From 9ae2ad23e6692362b943f728568b36b837a0a294 Mon Sep 17 00:00:00 2001
From: Richard Levitte <levitte@openssl.org>
Date: Wed, 23 Feb 2000 22:45:22 +0000
Subject: [PATCH] Avoid saving any macros starting with a _, since that can
 create trouble if header files are included in some "impropper" order. It's
 much better if the application programmer has to specify on his or her own if
 _REENTRANT shall be defined and when.

---
 Configure | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Configure b/Configure
index 38fb9e901f..cfa06fab59 100755
--- a/Configure
+++ b/Configure
@@ -557,7 +557,7 @@ else
 	my $def;
 	foreach $def (split ' ',$thread_cflag)
 		{
-		if ($def =~ s/^-D//)
+		if ($def =~ s/^-D// && $def !~ /^_/)
 			{
 			$thread_defines .= "#define $def\n";
 			}
-- 
2.25.1