diff '--color=always' -Naurd '--color=never' ecasound-2.9.1_old/configure.ac ecasound-2.9.1_new/configure.ac
--- ecasound-2.9.1_old/configure.ac	2014-01-03 16:34:07.000000000 +0600
+++ ecasound-2.9.1_new/configure.ac	2019-05-12 10:56:51.224932137 +0500
@@ -1157,7 +1157,7 @@
   [
     case "$enableval" in
       y | yes)
-        PKG_CHECK_MODULES([LIBLILV], [lv2core lilv-0], HAVE_LIBLILV=yes, HAVE_LIBLILV=no)
+        PKG_CHECK_MODULES([LIBLILV], [lv2 lilv-0], HAVE_LIBLILV=yes, HAVE_LIBLILV=no)
         if test "x${HAVE_LIBLILV}" = xyes ; then 
 	  AC_MSG_RESULT(yes)
           enable_liblilv=yes 
@@ -1178,7 +1178,7 @@
     esac
   ],
   [
-    PKG_CHECK_MODULES([LIBLILV], [lv2core lilv-0 > 0.5.0 ], HAVE_LIBLILV=yes, HAVE_LIBLILV=no)
+    PKG_CHECK_MODULES([LIBLILV], [lv2 lilv-0 > 0.5.0 ], HAVE_LIBLILV=yes, HAVE_LIBLILV=no)
     enable_liblilv=${HAVE_LIBLILV}
     AC_MSG_RESULT(${enable_liblilv})
   ]