diff --git a/configure b/configure
index ca59623e9..38ce0128d 100755
--- a/configure
+++ b/configure
@@ -1657,6 +1657,39 @@ EOF
 }
 
 
+#
+# Check for libopus
+#
+check_libopus()
+{
+  if [ -z "$BUILD_LIBOPUS" ]; then
+    test_header libopus
+    if which_wrapper pkg-config > /dev/null; then
+      libopus_ver=`pkg-config opus --modversion 2>> $LOG`
+      if [ $? -eq 0 ]; then
+        FLGOPUS=`pkg-config opus --cflags`
+        INCOPUS=`strip_I "$FLGOPUS"`
+        LIBOPUS=`pkg-config opus --libs`
+      fi
+      cat > $ODIR.tmp_src.cc << EOF
+#include <opus/opus.h>
+extern "C" int main(void)
+{
+  OpusEncoder *test;
+}
+EOF
+      [ -n "$INCOPUS" ] && I_INCOPUS=`prefix_I "$INCOPUS"`
+      if test_compile "$LIBOPUS $I_INCOPUS" opus opus; then
+        if test_execute; then
+          cnf_append "SDK_VBOX_OPUS_INCS" "$INCOPUS"
+          cnf_append "SDK_VBOX_OPUS_LIBS" "`strip_l "$LIBOPUS"`"
+          fi
+      fi
+    fi
+  fi
+}
+
+
 #
 # Check for libvpx
 #