--- /tmp/hopenssl-1.0/OpenSSL/Digest.hs 2008-02-20 18:43:43.000000000 -0500
+++ hopenssl-1.0/OpenSSL/Digest.hs      2008-07-07 02:06:55.000000000 -0400
@@ -197,7 +197,7 @@
 foreign import ccall unsafe "EVP_sha1"      mdSHA1      :: IO MDEngine
 foreign import ccall unsafe "EVP_dss"       mdDSS       :: IO MDEngine
 foreign import ccall unsafe "EVP_dss1"      mdDSS1      :: IO MDEngine
-foreign import ccall unsafe "EVP_mdc2"      mdMDC2      :: IO MDEngine
+--foreign import ccall unsafe "EVP_mdc2"      mdMDC2      :: IO MDEngine
 foreign import ccall unsafe "EVP_ripemd160" mdRIPEMD160 :: IO MDEngine

 -- |Map a 'MessageDigest' type into the the corresponding
@@ -211,7 +211,7 @@
 toMDEngine SHA1      = mdSHA1
 toMDEngine DSS       = mdDSS
 toMDEngine DSS1      = mdDSS1
-toMDEngine MDC2      = mdMDC2
+toMDEngine MDC2      = undefined
 toMDEngine RIPEMD160 = mdRIPEMD160

 -- * Helper Functions