| cmake_minimum_required(VERSION 3.10) |
| project(RerunMocBasic) |
| include("../AutogenTest.cmake") |
| |
| # Dummy executable to generate a clean target |
| add_executable(dummy dummy.cpp) |
| |
| set(timeformat "%Y%j%H%M%S") |
| set(mocBasicSrcDir "${CMAKE_CURRENT_SOURCE_DIR}/MocBasic") |
| set(mocBasicBinDir "${CMAKE_CURRENT_BINARY_DIR}/MocBasic") |
| |
| # Initial build |
| configure_file("${mocBasicSrcDir}/test1a.h.in" "${mocBasicBinDir}/test1.h" COPYONLY) |
| try_compile(MOC_RERUN |
| "${mocBasicBinDir}" |
| "${mocBasicSrcDir}" |
| MocBasic |
| 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_RERUN) |
| message(SEND_ERROR "Initial build of mocBasic failed. Output: ${output}") |
| endif() |
| # Get name of the output binary |
| file(STRINGS "${mocBasicBinDir}/mocBasic.txt" mocBasicList ENCODING UTF-8) |
| list(GET mocBasicList 0 mocBasicBin) |
| |
| message("Changing the header content for a MOC rerun") |
| # - Acquire binary timestamps before the build |
| file(TIMESTAMP "${mocBasicBin}" timeBefore "${timeformat}") |
| # - Ensure that the timestamp will change |
| # - Change header file content and rebuild |
| # - Rebuild |
| execute_process(COMMAND "${CMAKE_COMMAND}" -E sleep 1) |
| configure_file("${mocBasicSrcDir}/test1b.h.in" "${mocBasicBinDir}/test1.h" COPYONLY) |
| execute_process(COMMAND "${CMAKE_COMMAND}" --build . WORKING_DIRECTORY "${mocBasicBinDir}" RESULT_VARIABLE result ) |
| if (result) |
| message(SEND_ERROR "Second build of mocBasic failed.") |
| endif() |
| # - Acquire binary timestamps after the build |
| file(TIMESTAMP "${mocBasicBin}" timeAfter "${timeformat}") |
| # - Test if timestamps changed |
| if (NOT timeAfter GREATER timeBefore) |
| message(SEND_ERROR "File (${mocBasicBin}) should have changed!") |
| endif() |
| |
| |
| message("Changing nothing for a MOC rerun") |
| # - Acquire binary timestamps before the build |
| file(TIMESTAMP "${mocBasicBin}" timeBefore "${timeformat}") |
| # - Ensure that the timestamp would change |
| # - Change nothing |
| # - Rebuild |
| execute_process(COMMAND "${CMAKE_COMMAND}" -E sleep 1) |
| execute_process(COMMAND "${CMAKE_COMMAND}" --build . WORKING_DIRECTORY "${mocBasicBinDir}" RESULT_VARIABLE result ) |
| if (result) |
| message(SEND_ERROR "Third build of mocBasic failed.") |
| endif() |
| # - Acquire binary timestamps after the build |
| file(TIMESTAMP "${mocBasicBin}" timeAfter "${timeformat}") |
| # - Test if timestamps changed |
| if (timeAfter GREATER timeBefore) |
| message(SEND_ERROR "File (${mocBasicBin}) should not have changed!") |
| endif() |
