lttng-libust: add the dependency on util-linux

This dependency was missing in the initial addition of the package to
Buildroot.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/lttng-libust/Config.in

@@ -1,6 +1,11 @@
 config BR2_PACKAGE_LTTNG_LIBUST
 	bool "lttng-libust"
 	select BR2_PACKAGE_LIBURCU
+	select BR2_PACKAGE_UTIL_LINUX
+	select BR2_PACKAGE_UTIL_LINUX_LIBUUID
+	# util-linux needs wchar and largefile
+	depends on BR2_USE_WCHAR
+	depends on BR2_LARGEFILE
 	help
 	  Userspace tracing library for the Lttng tracing
 	  infrastructure. It allows userspace programs to create
@@ -8,3 +13,6 @@ config BR2_PACKAGE_LTTNG_LIBUST
 	  events gathered by LTTng.
 
 	  http://lttng.org
+
+comment "lttng-libust needs WCHAR and LARGEFILE support"
+	depends on !(BR2_USE_WCHAR || BR2_LARGEFILE)

package/lttng-libust/lttng-libust.mk

@@ -3,6 +3,6 @@ LTTNG_LIBUST_VERSION = 1.9.2
 LTTNG_LIBUST_SOURCE  = lttng-ust-$(LTTNG_LIBUST_VERSION).tar.gz
 
 LTTNG_LIBUST_INSTALL_STAGING = YES
-LTTNG_LIBUST_DEPENDENCIES    = liburcu
+LTTNG_LIBUST_DEPENDENCIES    = liburcu util-linux
 
 $(eval $(call AUTOTARGETS))