package/uftrace: needs NPTL

uftrace needs NPTL since its addition in commit
09c97972d9f90b69cfc36f9ffe9e22c13daf9307 and
https://github.com/namhyung/uftrace/commit/543fe53c256ceaef2d4d7cc44925bf1ad5a068a8:

buildroot/build/uftrace-0.10/buildroot/build/uftrace-0.10/cmds/record.c:670: undefined reference to `pthread_setname_np'

Fixes:
 - http://autobuild.buildroot.org/results/8f884efb9d45f9145a4799981157c9226390b423

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

package/uftrace/Config.in

@@ -8,7 +8,7 @@ config BR2_PACKAGE_UFTRACE_ARCH_SUPPORTS
 config BR2_PACKAGE_UFTRACE
 	bool "uftrace"
 	depends on BR2_PACKAGE_UFTRACE_ARCH_SUPPORTS
-	depends on BR2_TOOLCHAIN_HAS_THREADS
+	depends on BR2_TOOLCHAIN_HAS_THREADS_NPTL # pthread_setname_np()
 	depends on !BR2_STATIC_LIBS
 	select BR2_PACKAGE_ARGP_STANDALONE if \
 	       BR2_TOOLCHAIN_USES_UCLIBC || \
@@ -23,6 +23,6 @@ config BR2_PACKAGE_UFTRACE
 
 	  https://github.com/namhyung/uftrace
 
-comment "uftrace needs a toolchain w/ threads, dynamic library"
+comment "uftrace needs a toolchain w/ NPTL, dynamic library"
 	depends on BR2_PACKAGE_UFTRACE_ARCH_SUPPORTS
-	depends on !BR2_TOOLCHAIN_HAS_THREADS || BR2_STATIC_LIBS
+	depends on !BR2_TOOLCHAIN_HAS_THREADS_NPTL || BR2_STATIC_LIBS