fix musl compile

package/qemu/Makefile

@@ -5,7 +5,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=		qemu
 PKG_VERSION:=		1.7.1
-PKG_RELEASE:=		1
+PKG_RELEASE:=		2
 PKG_MD5SUM:=		9541063d999cf9659ed7fdce71314f31
 PKG_DESCR:=		cpu and system emulator
 PKG_SECTION:=		misc
@@ -25,6 +25,9 @@ include $(TOPDIR)/mk/package.mk
 $(eval $(call HOST_template,QEMU,qemu,$(PKG_VERSION)-${PKG_RELEASE}))
 $(eval $(call PKG_template,QEMU,qemu,$(PKG_VERSION)-${PKG_RELEASE},${PKG_DEPENDS},${PKG_DESCR},${PKG_SECTION}))
 
+ifeq ($(ADK_TARGET_LIB_MUSL),y)
+TARGET_CFLAGS+=		-DF_EXLCK=4 -DF_SHLCK=8 -D__SIGRTMIN=32 -D__SIGRTMAX=\(NSIG-1\)
+endif
 CONFIG_STYLE:=		minimal
 CONFIGURE_ARGS+=	--host-cc=$(CC_FOR_BUILD) \
 			--cross-prefix=$(GNU_TARGET_NAME)- \

package/qemu/patches/patch-linux-user_syscall_c

@@ -1,5 +1,5 @@
 --- qemu-1.7.1.orig/linux-user/syscall.c	2014-03-25 15:01:10.000000000 +0100
-+++ qemu-1.7.1/linux-user/syscall.c	2014-04-02 16:56:13.483513278 +0200
++++ qemu-1.7.1/linux-user/syscall.c	2014-04-04 16:51:08.292546548 +0200
 @@ -63,6 +63,7 @@ int __clone2(int (*fn)(void *), void *ch
  //#include <sys/user.h>
  #include <netinet/ip.h>
@@ -24,3 +24,12 @@
  #include <linux/kd.h>
  #include <linux/mtio.h>
  #include <linux/fs.h>
+@@ -400,7 +409,7 @@ static int sys_inotify_init1(int flags)
+ #endif
+ #define __NR_sys_ppoll __NR_ppoll
+ _syscall5(int, sys_ppoll, struct pollfd *, fds, nfds_t, nfds,
+-          struct timespec *, timeout, const __sigset_t *, sigmask,
++          struct timespec *, timeout, const sigset_t *, sigmask,
+           size_t, sigsetsize)
+ #endif
+