[modules] The modules can include libcalamares and libcalamaresui

- Remove (heavy-handed) top-level include_directories, in favor
   of more focused ones; this helps to make sure that the dependencies
   ordering is correct.

src/CMakeLists.txt

@@ -3,15 +3,6 @@ include( CalamaresAddModuleSubdirectory )
 include( CalamaresAddLibrary )
 include( CalamaresAddBrandingSubdirectory )
 
-include_directories(
-    ${CMAKE_CURRENT_LIST_DIR}
-    ${CMAKE_CURRENT_LIST_DIR}/libcalamares
-    ${CMAKE_CURRENT_LIST_DIR}/libcalamaresui
-    ${CMAKE_CURRENT_BINARY_DIR}
-    ${CMAKE_CURRENT_BINARY_DIR}/libcalamares
-    ${CMAKE_CURRENT_BINARY_DIR}/libcalamaresui
-)
-
 # library
 add_subdirectory( libcalamares )
 

src/modules/CMakeLists.txt

@@ -4,6 +4,12 @@
 # in this list.
 set( LIST_SKIPPED_MODULES "" )
 
+include_directories(
+    ${CMAKE_SOURCE_DIR}/src/libcalamares
+    ${CMAKE_BINARY_DIR}/src/libcalamares
+    ${CMAKE_SOURCE_DIR}/src/libcalamaresui
+)
+
 if( BUILD_TESTING )
     add_executable( test_conf test_conf.cpp )
     target_link_libraries( test_conf ${YAMLCPP_LIBRARY} Qt5::Core )