ortp: requires threads

Fixes
http://autobuild.buildroot.net/results/4252c2f0f85c27af0d814d8c9a4a5b4d74f4dac1/

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/linphone/Config.in

@@ -5,6 +5,7 @@ config BR2_PACKAGE_LINPHONE
 	select BR2_PACKAGE_ORTP
 	select BR2_PACKAGE_MEDIASTREAMER
 	depends on BR2_INSTALL_LIBSTDCPP # mediastreamer
+	depends on BR2_TOOLCHAIN_HAS_THREADS # ortp
 	help
 	  Linphone is an internet phone or Voice Over IP phone (VoIP).
 
@@ -23,5 +24,5 @@ config BR2_PACKAGE_LINPHONE
 
 	  http://www.linphone.org/
 
-comment "linphone requires a toolchain with C++ support enabled"
-	depends on !BR2_INSTALL_LIBSTDCPP
+comment "linphone requires a toolchain with threads and C++ support enabled"
+	depends on !BR2_INSTALL_LIBSTDCPP || !BR2_TOOLCHAIN_HAS_THREADS

package/mediastreamer/Config.in

@@ -2,6 +2,7 @@ config BR2_PACKAGE_MEDIASTREAMER
 	bool "mediastreamer"
 	select BR2_PACKAGE_ORTP
 	depends on BR2_INSTALL_LIBSTDCPP # until fixed
+	depends on BR2_TOOLCHAIN_HAS_THREADS # ortp
 	help
 	  Mediastreamer is a powerful and lightweighted streaming
 	  engine specialized for voice/video telephony applications.
@@ -12,5 +13,5 @@ config BR2_PACKAGE_MEDIASTREAMER
 
 	  http://www.linphone.org/eng/documentation/dev/mediastreamer2.html
 
-comment "mediastreamer requires a toolchain with C++ support enabled"
-	depends on !BR2_INSTALL_LIBSTDCPP
+comment "mediastreamer requires a toolchain with threads and C++ support"
+	depends on !BR2_INSTALL_LIBSTDCPP || !BR2_TOOLCHAIN_HAS_THREADS

package/ortp/Config.in

@@ -1,6 +1,10 @@
 config BR2_PACKAGE_ORTP
 	bool "oRTP"
+	depends on BR2_TOOLCHAIN_HAS_THREADS
 	help
 	  oRTP, a Real-time Transport Protocol (RTP,RFC3550) library
 
 	  http://www.linphone.org/eng/documentation/dev/ortp.html
+
+comment "ortp requires a toolchain with threads support"
+	depends on !BR2_TOOLCHAIN_HAS_THREADS