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, 26 insertions, 0 deletions

diff --git a/dep/openssl/CMakeLists.txt b/dep/openssl/CMakeLists.txt
new file mode 100644
index 00000000000..98561b2a0ed
--- /dev/null
+++ b/dep/openssl/CMakeLists.txt
@@ -0,0 +1,26 @@
+# 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.
+
+
+# basic packagesearching and setup
+# (further support will be needed, this is a preliminary release!)
+set(OPENSSL_EXPECTED_VERSION 1.0.0)
+
+find_package(OpenSSL REQUIRED)
+
+add_library(openssl INTERFACE)
+
+target_link_libraries(openssl
+  INTERFACE
+    ${OPENSSL_LIBRARIES})
+
+target_include_directories(openssl
+  INTERFACE
+    ${OPENSSL_INCLUDE_DIR})