| include(ExternalProject) |
| |
| ExternalProject_Add(once |
| DOWNLOAD_COMMAND "" |
| CONFIGURE_COMMAND "${CMAKE_COMMAND}" -P ${CMAKE_CURRENT_BINARY_DIR}/once-configure.cmake |
| BUILD_COMMAND "${CMAKE_COMMAND}" -P ${CMAKE_CURRENT_BINARY_DIR}/once-build.cmake |
| INSTALL_COMMAND "${CMAKE_COMMAND}" -P ${CMAKE_CURRENT_BINARY_DIR}/once-install.cmake |
| ) |
| |
| ExternalProject_Add(always |
| DEPENDS once |
| DOWNLOAD_COMMAND "" |
| CONFIGURE_COMMAND "${CMAKE_COMMAND}" -P ${CMAKE_CURRENT_BINARY_DIR}/always-configure.cmake |
| BUILD_COMMAND "${CMAKE_COMMAND}" -P ${CMAKE_CURRENT_BINARY_DIR}/always-build.cmake |
| COMMAND "${CMAKE_COMMAND}" -E copy_if_different ${CMAKE_CURRENT_LIST_FILE} |
| "${CMAKE_CURRENT_BINARY_DIR}/byproduct.txt" |
| BUILD_BYPRODUCTS "${CMAKE_CURRENT_BINARY_DIR}/byproduct.txt" |
| BUILD_ALWAYS 1 |
| INSTALL_COMMAND "${CMAKE_COMMAND}" -P ${CMAKE_CURRENT_BINARY_DIR}/always-install.cmake |
| ) |
