Add BARRIER_BUILD_TESTS CMake option to make tests optional

CMakeLists.txt

@@ -20,6 +20,7 @@ project (barrier C CXX)
 
 option (BARRIER_BUILD_GUI "Build the GUI" ON)
 option (BARRIER_BUILD_INSTALLER "Build the installer" ON)
+option (BARRIER_BUILD_TESTS "Build the tests" ON)
 
 set (CMAKE_EXPORT_COMPILE_COMMANDS ON)
 set (CMAKE_CXX_STANDARD 14)
@@ -49,7 +50,6 @@ else()
 endif()
 
 set (libs)
-include_directories (BEFORE SYSTEM ./ext/gtest/include)
 
 if (UNIX)
     if (NOT APPLE)

src/CMakeLists.txt

@@ -19,7 +19,10 @@ include_directories (${CMAKE_CURRENT_BINARY_DIR}/lib)
 
 add_subdirectory(lib)
 add_subdirectory(cmd)
-add_subdirectory(test)
+
+if (BARRIER_BUILD_TESTS)
+    add_subdirectory(test)
+endif()
 
 if (BARRIER_BUILD_GUI)
     add_subdirectory(gui)

src/lib/barrier/KeyMap.h

@@ -24,7 +24,9 @@
 #include "common/stdset.h"
 #include "common/stdvector.h"
 
+#ifdef TEST_ENV
 #include <gtest/gtest_prod.h>
+#endif
 
 namespace barrier {
 
@@ -327,6 +329,7 @@ public:
     //@}
 
 private:
+#ifdef TEST_ENV
     FRIEND_TEST(KeyMapTests,
                 findBestKey_requiredDown_matchExactFirstItem);
     FRIEND_TEST(KeyMapTests,
@@ -340,6 +343,7 @@ private:
     FRIEND_TEST(KeyMapTests,
                 findBestKey_onlyOneRequiredDown_matchTwoRequiredChangesItem);
     FRIEND_TEST(KeyMapTests, findBestKey_noRequiredDown_cannotMatch);
+#endif
 
 private:
     //! Ways to synthesize a key

src/test/unittests/barrier/KeyMapTests.cpp

@@ -15,6 +15,8 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#define TEST_ENV
+
 #include "barrier/KeyMap.h"
 
 #include "test/global/gtest.h"