| # Make two interface libraries. |
| add_library(lib1 INTERFACE) |
| add_library(lib2 INTERFACE) |
| |
| # Top-level target that depends on both of them. |
| add_custom_target(top |
| COMMAND ${CMAKE_COMMAND} -E echo top |
| DEPENDS lib1 lib2) |
| |
| # Lowest-level utility target that both libraries depend on. |
| add_custom_target(util |
| COMMAND ${CMAKE_COMMAND} -E echo util) |
| add_dependencies(lib1 util) |
| add_dependencies(lib2 util) |
| |
| # The dependency graph computed by cmComputeTargetDepends will include |
| # an edge directly from 'top' to 'util'. But it should only include |
| # one copy of it, even though there are two paths via lib1 and lib2. |
| set_property(GLOBAL PROPERTY GLOBAL_DEPENDS_DEBUG_MODE 1) |
