From: Keir Fraser <keir.fraser@citrix.com>
Date: Fri, 9 Oct 2009 07:55:43 +0000 (+0100)
Subject: blktap2: Check gcrypt library has MD5() function.
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blktap2: Check gcrypt library has MD5() function.

From: Dulloor <dulloor@gmail.com>
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
---

diff --git a/tools/blktap2/drivers/check_gcrypt b/tools/blktap2/drivers/check_gcrypt
index 154ba2492a..88209a0e76 100644
--- a/tools/blktap2/drivers/check_gcrypt
+++ b/tools/blktap2/drivers/check_gcrypt
@@ -2,7 +2,12 @@
 
 cat > .gcrypt.c << EOF
 #include <gcrypt.h>
-int main(void) { return 0; }
+int main(void) 
+{
+    char dummy[14];
+    MD5("DUMMY", 5, dummy);
+    return 0; 
+}
 EOF
 
 if $1 -o .gcrypt .gcrypt.c -lgcrypt 2>/dev/null ; then