#
#
# patch "m4/botan.m4"
#  from [fc801b657e392136b3308dfac89f34ecaa96df5d]
#    to [bb146cd55de685d93019400cdbbaf0eae60039e1]
# 
# patch "sha1_engine.hh"
#  from [501948b43bba5a7b2dfdd8452070ec785fb736c9]
#    to [35cff54c2f8a7c8d3b210a513acf156404918832]
#
============================================================
--- m4/botan.m4	fc801b657e392136b3308dfac89f34ecaa96df5d
+++ m4/botan.m4	bb146cd55de685d93019400cdbbaf0eae60039e1
@@ -1,6 +1,6 @@
 # Currently we accept botan version 1.6.3 and newer, limited to the
 # development branch 1.7, emitting a warning if the found botan is
-# newer than 1.7.19.
+# newer than 1.7.20.
 
 AC_DEFUN([MTN_FIND_BOTAN],
 [
@@ -36,7 +36,7 @@ AC_DEFUN([MTN_FIND_BOTAN],
     AC_PREPROC_IFELSE([
 #include <botan/version.h>
 
-#if BOTAN_VERSION_CODE > BOTAN_VERSION_CODE_FOR(1,7,19)
+#if BOTAN_VERSION_CODE > BOTAN_VERSION_CODE_FOR(1,7,20)
 #error "Botan from the future"
 #endif],
     [botan_version_match=yes],
============================================================
--- sha1_engine.hh	501948b43bba5a7b2dfdd8452070ec785fb736c9
+++ sha1_engine.hh	35cff54c2f8a7c8d3b210a513acf156404918832
@@ -13,8 +13,14 @@
 // This file defines the interface needed to implement a new SHA-1 engine,
 // which we will hook into Botan.
 
-#include <botan/base.h>
+#include <botan/version.h>
 
+#if BOTAN_VERSION_CODE >= BOTAN_VERSION_CODE_FOR(1,7,20)
+  #include <botan/hash.h>
+#else
+  #include <botan/base.h>
+#endif
+
 typedef Botan::HashFunction * sha1_maker();
 
 // Declare one of these objects as a private global in your extension module.