Files
CMake/Tests/RunCMake/CommandLine/Fresh.cmake
Brad King 9f1471739d cmake: Add --fresh option to clear the cache and start from scratch
Simplify the workflow to re-run CMake from scratch as if a build tree
were never before processed, regardless of whether it has been.

Fixes: #23119
2022-03-22 09:27:47 -04:00

19 lines
635 B
CMake

message(STATUS "CMAKE_SOURCE_DIR='${CMAKE_SOURCE_DIR}'")
message(STATUS "CMAKE_BINARY_DIR='${CMAKE_BINARY_DIR}'")
message(STATUS "OLD CACHED_VAR_1='${CACHED_VAR_1}'")
set(CACHED_VAR_1 "CACHED-VALUE-1" CACHE STRING "")
message(STATUS "NEW CACHED_VAR_1='${CACHED_VAR_1}'")
set(kept "${CMAKE_BINARY_DIR}/kept")
set(removed "${CMAKE_BINARY_DIR}/CMakeFiles/removed")
if(FIRST)
file(WRITE "${kept}" "")
file(WRITE "${removed}" "")
else()
if(NOT EXISTS "${kept}")
message(FATAL_ERROR "File was not kept:\n ${kept}")
endif()
if(EXISTS "${removed}")
message(FATAL_ERROR "File was not removed:\n ${removed}")
endif()
endif()