added alsa dev directory location to configure statement

package/alsa-lib/alsa-lib.mk

@@ -31,7 +31,7 @@ $(ALSA_LIB_DIR)/.configured: $(ALSA_LIB_DIR)/.unpacked
 		$(TARGET_CONFIGURE_ARGS) \
 		$(TARGET_CONFIGURE_OPTS) \
 		CFLAGS="$(TARGET_CFLAGS) $(ALSA_LIB_ABI)" \
-		LDFLAGS="$(TARGET_LDFLAGS)" \
+		LDFLAGS="$(TARGET_LDFLAGS) -lm" \
 		./configure \
 		--target=$(GNU_TARGET_NAME) \
 		--host=$(GNU_TARGET_NAME) \
@@ -41,6 +41,8 @@ $(ALSA_LIB_DIR)/.configured: $(ALSA_LIB_DIR)/.unpacked
 		--enable-shared \
 		--enable-static \
 		--disable-docs \
+		--with-alsa-devdir=/dev \
+		--with-softfloat \
 		$(DISABLE_NLS) \
 	)
 	touch $@