diff --git a/utils/alsa.m4 b/utils/alsa.m4 index 90e3ee56..4c457f0d 100644 --- a/utils/alsa.m4 +++ b/utils/alsa.m4 @@ -130,6 +130,7 @@ AC_LANG_C AC_MSG_CHECKING([for libatopology (sound headers version > 1.1.9)]) AC_TRY_COMPILE([ #include +#include ], [ /* ensure backward compatibility */ #if !defined(SND_LIB_VERSION)