fix musl compile

package/squeezelite/Makefile

@@ -5,7 +5,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=		squeezelite
 PKG_VERSION:=		1.5
-PKG_RELEASE:=		2
+PKG_RELEASE:=		3
 PKG_MD5SUM:=		7605af4d64291495645f88575a564475
 PKG_DESCR:=		headless squeezebox emulator
 PKG_SECTION:=		multimedia
@@ -22,6 +22,7 @@ include $(TOPDIR)/mk/package.mk
 
 $(eval $(call PKG_template,SQUEEZELITE,squeezelite,$(PKG_VERSION)-${PKG_RELEASE},${PKG_DEPENDS},${PKG_DESCR},${PKG_SECTION}))
 
+TARGET_CPPFLAGS+=       -D_GNU_SOURCE -D_POSIX_SOURCE
 CONFIG_STYLE:=		manual
 INSTALL_STYLE:=		manual
 

package/squeezelite/patches/patch-output_alsa_c

@@ -0,0 +1,13 @@
+--- squeezelite-1.5.orig/output_alsa.c	2014-01-24 11:24:16.000000000 +0100
++++ squeezelite-1.5/output_alsa.c	2014-02-08 13:36:12.000000000 +0100
+@@ -670,8 +670,10 @@ void output_init_alsa(log_level level, c
+ 		LOG_INFO("memory locked");
+ 	}
+ 
++#if defined(__GLIBC__)
+    	mallopt(M_TRIM_THRESHOLD, -1);
+    	mallopt(M_MMAP_MAX, 0);
++#endif
+ 
+ 	touch_memory(silencebuf, MAX_SILENCE_FRAMES * BYTES_PER_FRAME);
+ 	touch_memory(outputbuf->buf, outputbuf->size);