+# check for opencore-amrnb for AMR and EFR decoding
+found_opencore_amrnb=yes
+PKG_CHECK_MODULES(OPENCORE_AMRNB, opencore-amrnb >= 0.1.0, , found_opencore_amrnb=no)
+AM_CONDITIONAL(ENABLE_GSMAMR, test "$found_opencore_amrnb" = "yes")
+if test "$found_opencore_amrnb" = yes; then
+ AC_DEFINE(HAVE_OPENCORE_AMRNB, 1, [Define to 1 if OpenCore AMR-NB library is available])
+fi
+