| cmake_minimum_required(VERSION 3.10) |
| project(RerunMocPlugin) |
| include("../AutogenCoreTest.cmake") |
| |
| # Tests Q_PLUGIN_METADATA and CMAKE_AUTOMOC_DEPEND_FILTERS |
| # json file change detection |
| |
| # Dummy executable to generate a clean target |
| add_executable(dummy dummy.cpp) |
| |
| # Utility variables |
| set(timeformat "%Y.%j.%H.%M%S") |
| set(mocPlugSrcDir "${CMAKE_CURRENT_SOURCE_DIR}/MocPlugin") |
| set(mocPlugBinDir "${CMAKE_CURRENT_BINARY_DIR}/MocPlugin") |
| |
| # Utility macros |
| macro(sleep) |
| message(STATUS "Sleeping for a few seconds.") |
| execute_process(COMMAND "${CMAKE_COMMAND}" -E sleep 1) |
| endmacro() |
| |
| macro(rebuild buildName) |
| message(STATUS "Starting build ${buildName}.") |
| execute_process(COMMAND "${CMAKE_COMMAND}" --build . WORKING_DIRECTORY "${mocPlugBinDir}" RESULT_VARIABLE result) |
| if (result) |
| message(FATAL_ERROR "Build ${buildName} failed.") |
| else() |
| message(STATUS "Build ${buildName} finished.") |
| endif() |
| endmacro() |
| |
| macro(require_change PLG) |
| if (pl${PLG}After VERSION_GREATER pl${PLG}Before) |
| message(STATUS "As expected the file ${pl${PLG}File} changed.") |
| else() |
| message(SEND_ERROR |
| "Unexpectedly the file ${pl${PLG}File} did not change!\nTimestamp pre: ${pl${PLG}Before}\nTimestamp aft: ${pl${PLG}After}\n") |
| endif() |
| endmacro() |
| |
| macro(require_change_not PLG) |
| if (pl${PLG}After VERSION_GREATER pl${PLG}Before) |
| message(SEND_ERROR |
| "Unexpectedly the file ${pl${PLG}File} changed!\nTimestamp pre: ${pl${PLG}Before}\nTimestamp aft: ${pl${PLG}After}\n") |
| else() |
| message(STATUS "As expected the file ${pl${PLG}File} did not change.") |
| endif() |
| endmacro() |
| |
| macro(acquire_timestamps When) |
| file(TIMESTAMP "${plAFile}" plA${When} "${timeformat}") |
| file(TIMESTAMP "${plBFile}" plB${When} "${timeformat}") |
| file(TIMESTAMP "${plCFile}" plC${When} "${timeformat}") |
| file(TIMESTAMP "${plDFile}" plD${When} "${timeformat}") |
| file(TIMESTAMP "${plEFile}" plE${When} "${timeformat}") |
| endmacro() |
| |
| |
| # Initial build |
| try_compile(MOC_PLUGIN |
| "${mocPlugBinDir}" |
| "${mocPlugSrcDir}" |
| MocPlugin |
| CMAKE_FLAGS "-DQT_TEST_VERSION=${QT_TEST_VERSION}" |
| "-DCMAKE_AUTOGEN_VERBOSE=${CMAKE_AUTOGEN_VERBOSE}" |
| "-DQT_QMAKE_EXECUTABLE:FILEPATH=${QT_QMAKE_EXECUTABLE}" |
| OUTPUT_VARIABLE output |
| ) |
| if (NOT MOC_PLUGIN) |
| message(FATAL_ERROR "Initial build of mocPlugin failed. Output: ${output}") |
| endif() |
| |
| # Get names of the output binaries |
| find_library(plAFile "PlugA" PATHS "${mocPlugBinDir}/Debug" "${mocPlugBinDir}" NO_DEFAULT_PATH) |
| find_library(plBFile "PlugB" PATHS "${mocPlugBinDir}/Debug" "${mocPlugBinDir}" NO_DEFAULT_PATH) |
| find_library(plCFile "PlugC" PATHS "${mocPlugBinDir}/Debug" "${mocPlugBinDir}" NO_DEFAULT_PATH) |
| find_library(plDFile "PlugD" PATHS "${mocPlugBinDir}/Debug" "${mocPlugBinDir}" NO_DEFAULT_PATH) |
| find_library(plEFile "PlugE" PATHS "${mocPlugBinDir}/Debug" "${mocPlugBinDir}" NO_DEFAULT_PATH) |
| |
| # To avoid a race condition where the library has the same timestamp |
| # as a source file and therefore gets rebuild |
| # - sleep to ensure a timestamp change |
| # - rebuild library to ensure it has a new timestamp |
| sleep() |
| message(STATUS "Rebuilding library files to ensure new timestamps") |
| rebuild(1) |
| |
| |
| # - Ensure that the timestamp will change. |
| # - Change the json files referenced by Q_PLUGIN_METADATA |
| # - Rebuild |
| acquire_timestamps(Before) |
| sleep() |
| message(STATUS "Changing json files.") |
| configure_file("${mocPlugSrcDir}/jsonIn/StyleD.json" "${mocPlugBinDir}/jsonFiles/StyleC.json") |
| configure_file("${mocPlugSrcDir}/jsonIn/StyleE.json" "${mocPlugBinDir}/jsonFiles/sub/StyleD.json") |
| configure_file("${mocPlugSrcDir}/jsonIn/StyleC.json" "${mocPlugBinDir}/jsonFiles/StyleE.json") |
| sleep() |
| rebuild(2) |
| acquire_timestamps(After) |
| # Test changes |
| require_change_not(A) |
| require_change_not(B) |
| require_change(C) |
| require_change(D) |
| # There's a bug in Ninja on Windows: |
| # https://gitlab.kitware.com/cmake/cmake/-/issues/16776 |
| if(NOT ("${CMAKE_GENERATOR}" MATCHES "Ninja")) |
| require_change(E) |
| endif() |
| |
| |
| # - Ensure that the timestamp will change. |
| # - Change the json files referenced by A_CUSTOM_MACRO |
| # - Rebuild |
| acquire_timestamps(Before) |
| sleep() |
| message(STATUS "Changing json files") |
| configure_file("${mocPlugSrcDir}/jsonIn/StyleE.json" "${mocPlugBinDir}/jsonFiles/StyleC_Custom.json") |
| configure_file("${mocPlugSrcDir}/jsonIn/StyleC.json" "${mocPlugBinDir}/jsonFiles/sub/StyleD_Custom.json") |
| configure_file("${mocPlugSrcDir}/jsonIn/StyleD.json" "${mocPlugBinDir}/jsonFiles/StyleE_Custom.json") |
| sleep() |
| rebuild(3) |
| acquire_timestamps(After) |
| # Test changes |
| require_change_not(A) |
| require_change_not(B) |
| require_change(C) |
| require_change(D) |
| # There's a bug in Ninja on Windows |
| # https://gitlab.kitware.com/cmake/cmake/-/issues/16776 |
| if(NOT ("${CMAKE_GENERATOR}" MATCHES "Ninja")) |
| require_change(E) |
| endif() |