[Xen-changelog] [xen-unstable] blktap2: fix libgcrypt detection

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1258958532 0
# Node ID 5ea5cce3b9ada967029fcee19686c392fcf975fe
# Parent  c6c51f99768a0b53a35b8ccc8f617ce68b28a4b6
blktap2: fix libgcrypt detection

If we want to check the functionality of libgcrypt, we shouldn't test
a function only exported by openssl, but instead the one actually used
in the code.

Signed-off-by: Andre Przywara <andre.przywara@xxxxxxx>
---
 tools/blktap2/drivers/check_gcrypt |    3 +--
 1 files changed, 1 insertion(+), 2 deletions(-)

diff -r c6c51f99768a -r 5ea5cce3b9ad tools/blktap2/drivers/check_gcrypt
--- a/tools/blktap2/drivers/check_gcrypt        Tue Nov 17 13:07:16 2009 +0000
+++ b/tools/blktap2/drivers/check_gcrypt        Mon Nov 23 06:42:12 2009 +0000
@@ -4,8 +4,7 @@ cat > .gcrypt.c << EOF
 #include <gcrypt.h>
 int main(void) 
 {
-    char dummy[14];
-    MD5("DUMMY", 5, dummy);
+    gcry_md_hash_buffer(GCRY_MD_MD5, NULL, NULL, 0);
     return 0; 
 }
 EOF

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