| include("${CMAKE_CURRENT_LIST_DIR}/CMP0219-helpers.cmake") |
| |
| # Build progressively escaped variants to model callers that added extra |
| # backslashes to make an OLD-only macro chain work. |
| string(REPLACE "\\" "\\\\" cmp0219_path_2 "${cmp0219_path_native}") |
| string(REPLACE "\\" "\\\\" cmp0219_path_4 "${cmp0219_path_2}") |
| string(REPLACE "\\" "\\\\" cmp0219_path_8 "${cmp0219_path_4}") |
| |
| cmake_policy(SET CMP0219 OLD) |
| |
| macro(cmp0219_leaf var_name) |
| set(${var_name} "${ARGN}") |
| endmacro() |
| |
| macro(cmp0219_middle_old) |
| cmp0219_leaf(cmp0219_old_chain_capture ${ARGN}) |
| endmacro() |
| |
| macro(cmp0219_middle_new) |
| # Simulate a dependency update opting this middle forwarding layer into NEW. |
| cmake_policy(PUSH) |
| cmake_policy(SET CMP0219 NEW) |
| cmp0219_leaf(cmp0219_mixed_chain_capture ${ARGN}) |
| cmake_policy(POP) |
| endmacro() |
| |
| macro(cmp0219_outer_to_old) |
| cmp0219_middle_old(${ARGN}) |
| endmacro() |
| |
| macro(cmp0219_outer_to_new_middle) |
| cmp0219_middle_new(${ARGN}) |
| endmacro() |
| |
| # OLD->OLD->OLD requires heavily escaped input and produces a native path. |
| cmp0219_outer_to_old(HINTS "${cmp0219_path_8}") |
| cmp0219_assert_equal( |
| "${cmp0219_old_chain_capture}" "HINTS;${cmp0219_path_native}") |
| |
| # OLD->NEW->OLD with the same input preserves one extra layer. |
| cmp0219_outer_to_new_middle(HINTS "${cmp0219_path_8}") |
| cmp0219_assert_equal( |
| "${cmp0219_mixed_chain_capture}" "HINTS;${cmp0219_path_2}") |
| |
| # OLD->NEW->OLD needs fewer escape layers to reach a native path. |
| cmp0219_outer_to_new_middle(HINTS "${cmp0219_path_4}") |
| cmp0219_assert_equal( |
| "${cmp0219_mixed_chain_capture}" "HINTS;${cmp0219_path_native}") |
