fix: GH-29

This commit resolves an issue with verbose messaging, which made it so
as the sources and headers where not printed even if the option to do so
was turnt on.

Signed-off-by: Filip Dutescu <filip.dutescu@gmail.com>

CMakeLists.txt

@@ -59,17 +59,49 @@ include(cmake/SourcesAndHeaders.cmake)
 if(${PROJECT_NAME}_BUILD_EXECUTABLE)
   add_executable(${PROJECT_NAME} ${exe_sources})
 
+  if(${PROJECT_NAME}_VERBOSE_OUTPUT)
+    verbose_message("Found the following sources:")
+    foreach(source IN LISTS exe_sources)
+      verbose_message("* ${source}")
+    endforeach()
+  endif()
+
   if(${PROJECT_NAME}_ENABLE_UNIT_TESTING)
     add_library(${PROJECT_NAME}_LIB ${headers} ${sources})
+
+    if(${PROJECT_NAME}_VERBOSE_OUTPUT)
+      verbose_message("Found the following headers:")
+      foreach(header IN LISTS headers)
+        verbose_message("* ${header}")
+      endforeach()
+    endif()
   endif()
 elseif(${PROJECT_NAME}_BUILD_HEADERS_ONLY)
   add_library(${PROJECT_NAME} INTERFACE)
+
+  if(${PROJECT_NAME}_VERBOSE_OUTPUT)
+    verbose_message("Found the following headers:")
+    foreach(header IN LIST headers)
+      verbose_message("* ${header}")
+    endforeach()
+  endif()
 else()
   add_library(
     ${PROJECT_NAME}
     ${headers}
     ${sources}
   )
+
+  if(${PROJECT_NAME}_VERBOSE_OUTPUT)
+    verbose_message("Found the following sources:")
+    foreach(source IN LISTS sources)
+      verbose_message("* ${source}")
+    endforeach()
+    verbose_message("Found the following headers:")
+    foreach(header IN LISTS headers)
+      verbose_message("* ${header}")
+    endforeach()
+  endif()
 endif()
 
 set_target_properties(