tests: Build core tests only if core is actually being built

Building of the core-specific unit tests must be conditional on the
core actually being built.

diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index a1916ca..dfb8802 100644 (file)
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -1,2 +1,4 @@
 add_subdirectory(common)
-add_subdirectory(core)
+if (BUILD_CORE)
+    add_subdirectory(core)
+endif()