| |
| SET_BEFORE := should_not_appear_in_output_before |
| |
| # Save .VARIABLES so we can filter out all the built-in stuff later |
| BEFORE:=$(.VARIABLES) |
| |
| # Simple variable |
| ONE := 1 |
| |
| # This is := so $(1) is evaluable right now |
| EVALUABLE := $(ONE)$(1) |
| |
| # Deferred execution with $(1), so call it a function |
| LOOKS_LIKE_A_FUNCTION_1 = $(1) |
| LOOKS_LIKE_A_FUNCTION_2 = $(ONE)$(1) |
| |
| # Deferred execution without $(1), so should not be a function |
| NOT_A_FUNCTION_1 = SIMPLE_TEXT |
| NOT_A_FUNCTION_2 = $(ONE) |
| |
| # We can't evaluate it without eval, so we assume that it *is* a function. |
| THE_EDGE_CASE_1 = $($(ONE)) |
| THE_EDGE_CASE_2 = $($(SET_BEFORE)) |
| THE_EDGE_CASE_3 = asdf$($(SET_BEFORE)) |
| THE_EDGE_CASE_4 = $($(SET_BEFORE))fsda |
| THE_EDGE_CASE_5 = fdsa$($(SET_BEFORE))fdsa |
| |
| # This was already set before we saved the snapshot, so it shouldn't |
| # reappear |
| SET_BEFORE += should_not_appear_in_output_before |
| |
| $(info .VARIABLES (from make): $(sort $(filter-out $(BEFORE), $(.VARIABLES)))) |
| $(info .VARIABLES (hard coded): BEFORE EVALUABLE LOOKS_LIKE_A_FUNCTION_1 LOOKS_LIKE_A_FUNCTION_2 NOT_A_FUNCTION_1 NOT_A_FUNCTION_2 ONE THE_EDGE_CASE_1 THE_EDGE_CASE_2 THE_EDGE_CASE_3 THE_EDGE_CASE_4 THE_EDGE_CASE_5) |
| |
| ifdef KATI |
| $(info .KATI_SYMBOLS: $(sort $(filter-out $(BEFORE), $(.KATI_SYMBOLS)))) |
| else |
| # Make doesn't support .VARIABLES so output the expected values manually |
| # for comparison |
| $(info .KATI_SYMBOLS: BEFORE EVALUABLE NOT_A_FUNCTION_1 NOT_A_FUNCTION_2 ONE) |
| endif |
| |
| # Updating this variable should not cause it to appear |
| SET_BEFORE += a_new_value |
