Index: alsa-lib-1.0.15/configure.in
===================================================================
--- alsa-lib-1.0.15.orig/configure.in	2007-10-15 10:45:26.000000000 +0200
+++ alsa-lib-1.0.15/configure.in	2008-07-19 15:51:34.177119589 +0200
@@ -191,9 +191,9 @@
   AC_MSG_RESULT(no)
 fi
 
-ALSA_DEPLIBS=""
-if test "$softfloat" != "yes"; then
-  ALSA_DEPLIBS="-lm"
+ALSA_DEPLIBS="-lm"
+if test "$softfloat" = "yes"; then
+   AC_CHECK_LIB([m], [floor], , [ALSA_DEPLIBS=""])
 fi
 
 dnl Check for libdl