| cmake_minimum_required(VERSION 3.10) |
| project(RerunMocBasic) |
| include("../AutogenCoreTest.cmake") |
| |
| # Dummy executable to generate a clean target |
| add_executable(dummy dummy.cpp) |
| |
| # Utility variables |
| set(timeformat "%Y.%j.%H.%M%S") |
| set(mocBasicSrcDir "${CMAKE_CURRENT_SOURCE_DIR}/MocBasic") |
| set(mocBasicBinDir "${CMAKE_CURRENT_BINARY_DIR}/MocBasic") |
| |
| # Utility macros |
| macro(sleep) |
| message(STATUS "Sleeping for a few seconds.") |
| execute_process(COMMAND "${CMAKE_COMMAND}" -E sleep 1) |
| endmacro() |
| |
| macro(acquire_timestamp When) |
| file(TIMESTAMP "${mocBasicBin}" time${When} "${timeformat}") |
| endmacro() |
| |
| macro(rebuild buildName) |
| message(STATUS "Starting build ${buildName}.") |
| execute_process(COMMAND "${CMAKE_COMMAND}" --build . WORKING_DIRECTORY "${mocBasicBinDir}" RESULT_VARIABLE result) |
| if (result) |
| message(FATAL_ERROR "Build ${buildName} failed.") |
| else() |
| message(STATUS "Build ${buildName} finished.") |
| endif() |
| endmacro() |
| |
| macro(require_change) |
| if (timeAfter VERSION_GREATER timeBefore) |
| message(STATUS "As expected the file ${mocBasicBin} changed.") |
| else() |
| message(SEND_ERROR "Unexpectedly the file ${mocBasicBin} did not change!\nTimestamp pre: ${timeBefore}\nTimestamp aft: ${timeAfter}\n") |
| endif() |
| endmacro() |
| |
| macro(require_change_not) |
| if (timeAfter VERSION_GREATER timeBefore) |
| message(SEND_ERROR "Unexpectedly the file ${mocBasicBin} changed!\nTimestamp pre: ${timeBefore}\nTimestamp aft: ${timeAfter}\n") |
| else() |
| message(STATUS "As expected the file ${mocBasicBin} did not change.") |
| endif() |
| endmacro() |
| |
| |
| # Configure the test project |
| configure_file("${mocBasicSrcDir}/test1a.h.in" "${mocBasicBinDir}/test1.h" COPYONLY) |
| configure_file("${mocBasicSrcDir}/myobject3a.h.in" "${mocBasicBinDir}/myobject3.h" @ONLY) |
| if(CMAKE_GENERATOR_INSTANCE) |
| set(_D_CMAKE_GENERATOR_INSTANCE "-DCMAKE_GENERATOR_INSTANCE=${CMAKE_GENERATOR_INSTANCE}") |
| else() |
| set(_D_CMAKE_GENERATOR_INSTANCE "") |
| endif() |
| execute_process( |
| COMMAND "${CMAKE_COMMAND}" -B "${mocBasicBinDir}" -S "${mocBasicSrcDir}" |
| -G "${CMAKE_GENERATOR}" |
| -A "${CMAKE_GENERATOR_PLATFORM}" |
| -T "${CMAKE_GENERATOR_TOOLSET}" |
| ${_D_CMAKE_GENERATOR_INSTANCE} |
| "-DQT_TEST_VERSION=${QT_TEST_VERSION}" |
| "-DCMAKE_AUTOGEN_VERBOSE=${CMAKE_AUTOGEN_VERBOSE}" |
| "-DQT_QMAKE_EXECUTABLE:FILEPATH=${QT_QMAKE_EXECUTABLE}" |
| RESULT_VARIABLE exit_code |
| OUTPUT_VARIABLE output |
| ) |
| if(NOT exit_code EQUAL 0) |
| message(FATAL_ERROR "Initial configuration of mocBasic failed. Output: ${output}") |
| endif() |
| |
| # Initial build |
| execute_process( |
| COMMAND "${CMAKE_COMMAND}" --build "${mocBasicBinDir}" |
| RESULT_VARIABLE exit_code |
| OUTPUT_VARIABLE output |
| ) |
| if(NOT exit_code EQUAL 0) |
| message(FATAL_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) |
| |
| # To avoid a race condition where the binary has the same timestamp |
| # as a source file and therefore gets rebuild |
| # - sleep to ensure a timestamp change |
| # - touch binary to ensure it has a new timestamp |
| acquire_timestamp(Before) |
| sleep() |
| message(STATUS "Touching binary file to ensure a new timestamps") |
| file(TOUCH_NOCREATE "${mocBasicBin}") |
| acquire_timestamp(After) |
| require_change() |
| |
| |
| # - Ensure that the timestamp will change |
| # - Change header file content |
| # - Rebuild |
| acquire_timestamp(Before) |
| sleep() |
| message(STATUS "Changing the header content for a MOC re-run") |
| configure_file("${mocBasicSrcDir}/test1b.h.in" "${mocBasicBinDir}/test1.h" COPYONLY) |
| sleep() |
| rebuild(2) |
| acquire_timestamp(After) |
| require_change() |
| |
| |
| # - Ensure that the timestamp would change |
| # - Change nothing |
| # - Rebuild |
| acquire_timestamp(Before) |
| sleep() |
| message(STATUS "Changing nothing for no MOC re-run") |
| rebuild(3) |
| acquire_timestamp(After) |
| require_change_not() |
| |
| |
| # - Ensure that the timestamp will change |
| # - Remove Q_OBJECT from header |
| # - Rebuild |
| acquire_timestamp(Before) |
| sleep() |
| message(STATUS "Remove Q_OBJECT from header file for a MOC re-run") |
| configure_file("${mocBasicSrcDir}/test1c.h.in" "${mocBasicBinDir}/test1.h" COPYONLY) |
| sleep() |
| rebuild(4) |
| acquire_timestamp(After) |
| require_change() |
| |
| |
| # - Ensure that the timestamp will change |
| # - Add Q_OBJECT to header again |
| # - Rebuild |
| acquire_timestamp(Before) |
| sleep() |
| message(STATUS "Add Q_OBJECT to test1.h for a MOC re-run") |
| configure_file("${mocBasicSrcDir}/test1a.h.in" "${mocBasicBinDir}/test1.h" COPYONLY) |
| sleep() |
| rebuild(5) |
| acquire_timestamp(After) |
| require_change() |
| |
| |
| # - Ensure that the timestamp will change |
| # - Add Q_OBJECT to MyObject3 |
| # - Rebuild |
| acquire_timestamp(Before) |
| sleep() |
| message(STATUS "Add Q_OBJECT to myobject3.h file for a MOC re-run") |
| set(CLASS_CONTENT "Q_OBJECT") |
| configure_file("${mocBasicSrcDir}/myobject3a.h.in" "${mocBasicBinDir}/myobject3.h" @ONLY) |
| sleep() |
| rebuild(6) |
| acquire_timestamp(After) |
| require_change() |