--- advancemenu-2.6.orig/configure.ac
+++ advancemenu-2.6/configure.ac
@@ -512,7 +512,7 @@
 		[snd_pcm_open],
 		[ac_lib_alsa=yes],
 		[ac_lib_alsa=no],
-		[-lm]
+		[`pkg-config alsa --libs`]
 	)
 	if test $ac_lib_alsa = yes; then
 		AC_MSG_CHECKING([for ALSA])
@@ -531,7 +531,7 @@
 		[snd_pcm_open],
 		[],
 		[AC_MSG_ERROR([the ALSA library is missing])],
-		[-lm]
+		[`pkg-config alsa --libs`]
 	)
 	AC_MSG_CHECKING([for ALSA version])
 	AC_TRY_COMPILE([