CMake: Provide proper interface targets from dependencies

* to make use of cmakes inherited link dependencies which
  imports all include directories/ definitions from the link library

(cherry picked from commit 1a572d242593124f986d3ed08710b96a142a6763)

1 files changed, 16 insertions, 0 deletions

diff --git a/dep/threads/CMakeLists.txt b/dep/threads/CMakeLists.txt
new file mode 100644
index 00000000000..48e5eb00723
--- /dev/null
+++ b/dep/threads/CMakeLists.txt
@@ -0,0 +1,16 @@
+# Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
+#
+# This file is free software; as a special exception the author gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY, to the extent permitted by law; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+find_package(Threads REQUIRED)
+
+add_library(threads INTERFACE)
+target_link_libraries(threads
+  INTERFACE
+    ${CMAKE_THREAD_LIBS_INIT})