sconeserver: needs NPTL

Fixes
http://autobuild.buildroot.net/results/fb8/fb8d071411b571780806792b7436d20f62a9a0f7/.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/sconeserver/Config.in

@@ -2,6 +2,10 @@ menuconfig BR2_PACKAGE_SCONESERVER
 	bool "sconeserver"
 	depends on BR2_INSTALL_LIBSTDCPP
 	depends on BR2_TOOLCHAIN_HAS_THREADS
+	# pthread_setschedprio needs NPTL
+	depends on !BR2_PTHREADS && !BR2_PTHREADS_OLD
+	# no NPTL for these archs
+	depends on !BR2_avr32 && !BR2_xtensa && !BR2_arc
 	select BR2_PACKAGE_PCRE
 	help
 	  Sconeserver is a modular, object-orientated and extremely versatile
@@ -99,3 +103,5 @@ endif # BR2_PACKAGE_SCONESERVER
 
 comment "sconeserver needs a toolchain w/ C++, threads"
 	depends on !(BR2_INSTALL_LIBSTDCPP && BR2_TOOLCHAIN_HAS_THREADS)
+	depends on !BR2_PTHREADS && !BR2_PTHREADS_OLD
+	depends on !BR2_avr32 && !BR2_xtensa && !BR2_arc