build & config: Don't include common components on early expansion

tools/cmake/build.cmake

@@ -222,6 +222,15 @@ function(__build_expand_requirements component_target)
 
     get_property(reqs TARGET ${component_target} PROPERTY REQUIRES)
     get_property(priv_reqs TARGET ${component_target} PROPERTY PRIV_REQUIRES)
+    __component_get_property(component_name ${component_target} COMPONENT_NAME)
+    __component_get_property(component_alias ${component_target} COMPONENT_ALIAS)
+    idf_build_get_property(common_reqs __COMPONENT_REQUIRES_COMMON)
+    list(APPEND reqs ${common_reqs})
+
+    if(reqs)
+        list(REMOVE_DUPLICATES reqs)
+        list(REMOVE_ITEM reqs ${component_alias} ${component_name})
+    endif()
 
     foreach(req ${reqs})
         __build_resolve_and_add_req(_component_target ${component_target} ${req} __REQUIRES)

tools/cmake/project.cmake

@@ -408,8 +408,7 @@ macro(project project_name)
         __component_get_target(main_target idf::main)
         __component_get_property(reqs ${main_target} REQUIRES)
         __component_get_property(priv_reqs ${main_target} PRIV_REQUIRES)
-        idf_build_get_property(common_reqs __COMPONENT_REQUIRES_COMMON)
-        if(reqs STREQUAL common_reqs AND NOT priv_reqs) #if user has not set any requirements
+        if(NOT reqs AND NOT priv_reqs) #if user has not set any requirements
             if(test_components)
                 list(REMOVE_ITEM build_components ${test_components})
             endif()

tools/cmake/scripts/component_get_requirements.cmake

@@ -123,8 +123,6 @@ foreach(__component_target ${__component_targets})
 
     __component_get_requirements()
 
-    list(APPEND __component_requires "${__common_reqs}")
-
     # Remove duplicates and the component itself from its requirements
     __component_get_property(__component_alias ${__component_target} COMPONENT_ALIAS)
     __component_get_property(__component_name ${__component_target} COMPONENT_NAME)