lttng-babeltrace: make sure WCHAR and LARGEFILE are enabled

Since lttng-babeltrace depends on util-linux and libglib2, we need to
make sure WCHAR and LARGEFILE are enabled.

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

package/lttng-babeltrace/Config.in

@@ -4,6 +4,11 @@ config BR2_PACKAGE_LTTNG_BABELTRACE
 	select BR2_PACKAGE_UTIL_LINUX
 	select BR2_PACKAGE_UTIL_LINUX_LIBUUID
 	select BR2_PACKAGE_LIBGLIB2
+	# libglib2 needs gettext which needs wchar support, and we
+	# also depends on util-linux which needs wchar
+	depends on BR2_USE_WCHAR
+	# util-linux depends on largefile support
+	depends on BR2_LARGEFILE
 	help
 	  Babeltrace is part of the LTTng 2.x project.
 
@@ -20,3 +25,6 @@ config BR2_PACKAGE_LTTNG_BABELTRACE
 	  lttng-tools package.
 
 	  http://lttng.org
+
+comment "lttng-babeltrace needs WCHAR and LARGEFILE support"
+	depends on BR2_PACKAGE_LTTNG_TOOLS && !(BR2_USE_WCHAR || BR2_LARGEFILE)