Install also test libs on Windows.

Resolves DLL hell when running tests.

src/CMakeLists.txt

@@ -236,5 +236,11 @@ if(BUILD_TESTS)
     set_target_properties(MagnumTestLib PROPERTIES COMPILE_FLAGS -DCORRADE_GRACEFUL_ASSERT)
     target_link_libraries(MagnumTestLib ${Magnum_LIBS})
 
+    # On Windows we need to install first and then run the tests to avoid "DLL
+    # not found" hell, thus we need to install this too
+    if(WIN32 AND NOT CMAKE_CROSSCOMPILING)
+        install(TARGETS MagnumMathTestLib MagnumTestLib DESTINATION ${MAGNUM_LIBRARY_INSTALL_DIR})
+    endif()
+
     add_subdirectory(Test)
 endif()

src/MeshTools/CMakeLists.txt

@@ -77,5 +77,11 @@ if(BUILD_TESTS)
     set_target_properties(MagnumMeshToolsTestLib PROPERTIES COMPILE_FLAGS "-DCORRADE_GRACEFUL_ASSERT -DMagnumMeshTools_EXPORTS")
     target_link_libraries(MagnumMeshToolsTestLib Magnum)
 
+    # On Windows we need to install first and then run the tests to avoid "DLL
+    # not found" hell, thus we need to install this too
+    if(WIN32 AND NOT CMAKE_CROSSCOMPILING)
+        install(TARGETS MagnumMeshToolsTestLib DESTINATION ${MAGNUM_LIBRARY_INSTALL_DIR})
+    endif()
+
     add_subdirectory(Test)
 endif()

src/SceneGraph/CMakeLists.txt

@@ -92,5 +92,11 @@ if(BUILD_TESTS)
     set_target_properties(MagnumSceneGraphTestLib PROPERTIES COMPILE_FLAGS "-DCORRADE_GRACEFUL_ASSERT -DMagnumSceneGraph_EXPORTS")
     target_link_libraries(MagnumSceneGraphTestLib MagnumMathTestLib)
 
+    # On Windows we need to install first and then run the tests to avoid "DLL
+    # not found" hell, thus we need to install this too
+    if(WIN32 AND NOT CMAKE_CROSSCOMPILING)
+        install(TARGETS MagnumSceneGraphTestLib DESTINATION ${MAGNUM_LIBRARY_INSTALL_DIR})
+    endif()
+
     add_subdirectory(Test)
 endif()