--- configure.in~
+++ configure.in
@@ -5364,15 +5364,18 @@ AC_SUBST(MOZ_SRTP)
 
 dnl Use integers over floats for audio on B2G and Android, because audio
 dnl backends for those platforms don't support floats.
-if test "$OS_TARGET" = "Android"; then
+case "$target" in
+*-android*|*-linuxandroid*|*-dragonfly*|*-freebsd*|*-netbsd*|*-openbsd*)
     MOZ_SAMPLE_TYPE_S16=1
     AC_DEFINE(MOZ_SAMPLE_TYPE_S16)
     AC_SUBST(MOZ_SAMPLE_TYPE_S16)
-else
+;;
+*)
     MOZ_SAMPLE_TYPE_FLOAT32=1
     AC_DEFINE(MOZ_SAMPLE_TYPE_FLOAT32)
     AC_SUBST(MOZ_SAMPLE_TYPE_FLOAT32)
-fi
+;;
+esac
 
 dnl ========================================================
 dnl = Disable Speech API code