libbsd: needs threads

Fixes:
http://autobuild.buildroot.net/results/397/39728c5eeb6c4e213cd96cb6639bc28f337bf214/

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

package/libbsd/Config.in

@@ -3,6 +3,7 @@ config BR2_PACKAGE_LIBBSD
 	# libbsd requires a.out.h, which is only available for those
 	# architectures: arm, m68k, x86 (and alpha, but we don't care.)
 	depends on ( BR2_arm || BR2_armeb || BR2_m68k || BR2_i386 || BR2_x86_64 )
+	depends on BR2_TOOLCHAIN_HAS_THREADS
 	help
 	  This library provides useful functions commonly found on BSD
 	  systems, and lacking on others like GNU systems, thus making
@@ -11,3 +12,7 @@ config BR2_PACKAGE_LIBBSD
 	  project.
 
 	  http://libbsd.freedesktop.org/
+
+comment "libbsd requires a toolchain with thread support"
+	depends on ( BR2_arm || BR2_armeb || BR2_m68k || BR2_i386 || BR2_x86_64 )
+	depends on !BR2_TOOLCHAIN_HAS_THREADS

package/libedit/Config.in

@@ -1,6 +1,7 @@
 config BR2_PACKAGE_LIBEDIT
 	bool "libedit"
 	depends on ( BR2_arm || BR2_armeb || BR2_m68k || BR2_i386 || BR2_x86_64 )  # libbsd
+	depends on BR2_TOOLCHAIN_HAS_THREADS # libbsd
 	select BR2_PACKAGE_LIBBSD
 	select BR2_PACKAGE_NCURSES
 	help
@@ -8,3 +9,7 @@ config BR2_PACKAGE_LIBEDIT
 	  and history functions. It slightly resembles GNU readline.
 
 	  http://ftp.netbsd.org/pub/NetBSD/NetBSD-release-5-0/src/lib/libedit/
+
+comment "libedit requires a toolchain with thread support"
+	depends on ( BR2_arm || BR2_armeb || BR2_m68k || BR2_i386 || BR2_x86_64 ) # libbsd
+	depends on !BR2_TOOLCHAIN_HAS_THREADS # libbsd