Little cmake and tests refactor

Change from spdlog_ex to const spdlog_ex& got rid of the GCC8 warning.

example/CMakeLists.txt

@@ -37,6 +37,7 @@ target_link_libraries(example spdlog::spdlog Threads::Threads)
 add_executable(multisink multisink.cpp)
 target_link_libraries(multisink spdlog::spdlog Threads::Threads)
 
-enable_testing()
 file(MAKE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/logs")
+
+enable_testing()
 add_test(NAME example COMMAND example)

example/multisink.cpp

@@ -4,7 +4,6 @@
 #include <iostream>
 #include <memory>
 
-namespace spd = spdlog;
 int main(int, char *[])
 {
     bool enable_debug = true;
@@ -39,7 +38,7 @@ int main(int, char *[])
         spdlog::drop_all();
     }
     // Exceptions will only be thrown upon failed logger or sink construction (not during logging)
-    catch (const spd::spdlog_ex &ex)
+    catch (const spdlog::spdlog_ex &ex)
     {
         std::cout << "Log init failed: " << ex.what() << std::endl;
         return 1;