--- a/configure.ac
+++ b/configure.ac
-@@ -2567,7 +2567,7 @@ if test -z "$__opus_include" -o x"$__opu
+@@ -2555,7 +2555,7 @@ if test -z "$__opus_include" -o x"$__opu
fi
AST_EXT_LIB_CHECK([OPUSFILE], [opusfile], [op_open_callbacks], [opus/opusfile.h], [], [$__opus_include])