Added some ALSA configure checks.
diff --git a/configure.ac b/configure.ac
index ba55747..21a9383 100644
--- a/configure.ac
+++ b/configure.ac
@@ -551,6 +551,16 @@
AC_DEFINE(HAVE_ARTS, 1, [Define if you have ARTS sound server])
fi
+dnl **** Check for ALSA ****
+AC_SUBST(ALSALIBS,"")
+AC_CHECK_HEADERS(sys/asoundlib.h)
+if test "$ac_cv_header_sys_asoundlib_h" = "yes"
+then
+ AC_CHECK_LIB(asound,snd_pcm_open,
+ AC_DEFINE(HAVE_ALSA,1,[Define if you have ALSA including devel headers])
+ ALSALIBS="-lasound")
+fi
+
dnl **** Check for broken glibc mmap64 ****
AC_CACHE_CHECK( [whether mmap64 works defined as mmap], ac_cv_mmap64_works,
