lttng-ust: cannot find -llttng-ust-tracepoint

liblttng_ust.la should depend on liblttng-ust-tracepoint.la, otherwise
there maybe a parallel build issue when building liblttng_ust.la:

ld: cannot find -llttng-ust-tracepoint

[YOCTO #3934]

(From OE-Core rev: b947dbc72b3cd03901112c1bab6ac0b81f1b374f)

Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-kernel/lttng/lttng-ust/depends-liblttng-ust-tracepoin.patch

@@ -0,0 +1,30 @@
+liblttng_ust.la should depend on liblttng-ust-tracepoint.la
+
+liblttng_ust.la should depend on liblttng-ust-tracepoint.la, otherwise
+there maybe a parallel build issue:
+
+ld: cannot find -llttng-ust-tracepoint
+
+Upstream-Status: Pending
+
+Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
+---
+ liblttng-ust/Makefile.am | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/liblttng-ust/Makefile.am b/liblttng-ust/Makefile.am
+--- a/liblttng-ust/Makefile.am
++++ b/liblttng-ust/Makefile.am
+@@ -67,7 +67,8 @@ liblttng_ust_la_LIBADD = \
+ 	-llttng-ust-tracepoint \
+ 	$(top_builddir)/snprintf/libustsnprintf.la \
+ 	$(top_builddir)/liblttng-ust-comm/liblttng-ust-comm.la \
+-	liblttng-ust-runtime.la liblttng-ust-support.la
++	liblttng-ust-runtime.la liblttng-ust-support.la \
++	liblttng-ust-tracepoint.la
+ 
+ if LTTNG_UST_BUILD_WITH_LIBUUID
+ liblttng_ust_la_LIBADD += -luuid
+-- 
+1.7.11.2
+

meta/recipes-kernel/lttng/lttng-ust_2.1.0.bb

@@ -22,7 +22,9 @@ PV = "2.1.0"
 PR = "r0"
 PE = "2"
 
-SRC_URI = "git://git.lttng.org/lttng-ust.git;protocol=git"
+SRC_URI = "git://git.lttng.org/lttng-ust.git;protocol=git \
+	   file://depends-liblttng-ust-tracepoin.patch \
+	   "
 
 S = "${WORKDIR}/git"