diff -up ./configure.in.orig ./configure.in
--- ./configure.in.orig	2011-08-16 07:37:09.546601003 +0000
+++ ./configure.in	2011-08-16 07:37:27.384119529 +0000
@@ -232,8 +232,8 @@ done
 # Evolution.dll needs GMime#
 #
 if test "x$ENABLE_GNOME" != "xno"; then
-	if pkg-config --exists gmime-sharp-2.4; then
-		PKG_CHECK_MODULES(EVOLUTION, gmime-sharp-2.4, ENABLE_EVOLUTION="yes", ENABLE_EVOLUTION="no")
+	if pkg-config --exists gmime-sharp-2.6; then
+		PKG_CHECK_MODULES(EVOLUTION, gmime-sharp-2.6, ENABLE_EVOLUTION="yes", ENABLE_EVOLUTION="no")
 	else
 		PKG_CHECK_MODULES(EVOLUTION, gmime-sharp >= 2.2.7, ENABLE_EVOLUTION="yes", ENABLE_EVOLUTION="no")
 	fi