Merge commit '1a3a83f33224876bfe5e8131542a8e124f4bc89b' as 'Sources/mbedTLS'

Sources/mbedTLS/include/CMakeLists.txt

@@ -0,0 +1,16 @@
+option(INSTALL_MBEDTLS_HEADERS "Install mbed TLS headers." ON)
+
+if(INSTALL_MBEDTLS_HEADERS)
+
+    file(GLOB headers "mbedtls/*.h")
+
+    install(FILES ${headers}
+        DESTINATION include/mbedtls
+        PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ)
+
+endif(INSTALL_MBEDTLS_HEADERS)
+
+# Make config.h available in an out-of-source build. ssl-opt.sh requires it.
+if (ENABLE_TESTING AND NOT ${CMAKE_CURRENT_BINARY_DIR} STREQUAL ${CMAKE_CURRENT_SOURCE_DIR})
+    link_to_source(mbedtls)
+endif()