Index: evolution-2.32.1/configure.ac
===================================================================
--- evolution-2.32.1.orig/configure.ac
+++ evolution-2.32.1/configure.ac
@@ -766,7 +766,7 @@ AC_ARG_ENABLE([mono],
 	[Add Mono embedded hooks.]),
 	[enable_mono=$enableval],[enable_mono=no])
 if test "x${enable_mono}" = "xyes"; then
-	PKG_CHECK_MODULES([MONO], ["mono"])
+	PKG_CHECK_MODULES([MONO], ["mono-2"])
 	AC_DEFINE(ENABLE_MONO,1,[Define if Mono embedding should be enabled])
 fi
 AC_SUBST(MONO_CFLAGS)