From 48bf4aae24bf1f8fd63067f08ccd5f3ea827f478 Mon Sep 17 00:00:00 2001
From: Richard Levitte <levitte@openssl.org>
Date: Thu, 22 Feb 2001 18:03:30 +0000
Subject: [PATCH] Define the right macro for Linux and other GNU-based systems
 to get a correct declaration of strdup()

---
 crypto/engine/enginetest.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/crypto/engine/enginetest.c b/crypto/engine/enginetest.c
index 6f18ebd962..f152f642f1 100644
--- a/crypto/engine/enginetest.c
+++ b/crypto/engine/enginetest.c
@@ -58,9 +58,14 @@
 
 #include <stdio.h>
 #include <openssl/e_os2.h>
+/* The following defines enable the declaration of strdup(), which is an
+   extended function according to X/Open. */
 #ifdef OPENSSL_SYS_VMS_DECC
 # define _XOPEN_SOURCE_EXTENDED
 #endif
+#ifdef OPENSSL_SYS_UNIX
+# define __USE_XOPEN_EXTENDED	/* For Linux and probably anything GNU */
+#endif
 #include <string.h>
 #include <openssl/engine.h>
 #include <openssl/err.h>
-- 
2.25.1