diff --git a/admin/acinclude.m4.in b/admin/acinclude.m4.in
index eaac598..5bd0b1c 100644
--- a/admin/acinclude.m4.in
+++ b/admin/acinclude.m4.in
@@ -6539,6 +6539,23 @@ fi
 
 ])
 
+AC_DEFUN([AC_TAGCOLL2],
+[
+
+AC_MSG_CHECKING([for libtagcoll2])
+
+TAGCOLL2_LIBS=`$PKG_CONFIG --libs libtagcoll2`
+TAGCOLL2_CFLAGS="`$PKG_CONFIG --cflags libtagcoll2`"
+if test -z "$TAGCOLL2_LIBS"; then
+        AC_MSG_RESULT(no);
+else
+        AC_MSG_RESULT([cflags $TAGCOLL2_CFLAGS]);
+        AC_SUBST(TAGCOLL2_CFLAGS)
+        AC_SUBST(TAGCOLL2_LIBS)
+fi
+
+])
+
 AC_DEFUN([AC_LIBOFX],
 [
 AC_MSG_CHECKING(if the OFX importer plugin is desired)