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cmake_minimum_required(VERSION 3.1)
project(QtAutogen)
# Tell find_package(Qt5) where to find Qt.
if(QT_QMAKE_EXECUTABLE)
get_filename_component(Qt_BIN_DIR "${QT_QMAKE_EXECUTABLE}" PATH)
get_filename_component(Qt_PREFIX_DIR "${Qt_BIN_DIR}" PATH)
set(CMAKE_PREFIX_PATH ${Qt_PREFIX_DIR})
endif()
if (QT_TEST_VERSION STREQUAL 4)
find_package(Qt4 REQUIRED)
# Include this directory before using the UseQt4 file.
add_subdirectory(defines_test)
include(UseQt4)
set(QT_QTCORE_TARGET Qt4::QtCore)
macro(qtx_wrap_cpp)
qt4_wrap_cpp(${ARGN})
endmacro()
else()
if (NOT QT_TEST_VERSION STREQUAL 5)
message(SEND_ERROR "Invalid Qt version specified.")
endif()
find_package(Qt5Widgets REQUIRED)
set(QT_QTCORE_TARGET Qt5::Core)
include_directories(${Qt5Widgets_INCLUDE_DIRS})
set(QT_LIBRARIES Qt5::Widgets)
if(Qt5_POSITION_INDEPENDENT_CODE AND CMAKE_CXX_COMPILE_OPTIONS_PIC)
add_definitions(${CMAKE_CXX_COMPILE_OPTIONS_PIC})
endif()
macro(qtx_wrap_cpp)
qt5_wrap_cpp(${ARGN})
endmacro()
endif()
add_executable(rcconly rcconly.cpp second_resource.qrc)
set_property(TARGET rcconly PROPERTY AUTORCC ON)
target_link_libraries(rcconly ${QT_QTCORE_TARGET})
include_directories(${CMAKE_CURRENT_BINARY_DIR})
add_definitions(-DFOO -DSomeDefine="Barx")
# enable relaxed mode so automoc can handle all the special cases:
set(CMAKE_AUTOMOC_RELAXED_MODE TRUE)
set(CMAKE_AUTOUIC ON)
set(CMAKE_AUTORCC ON)
# create an executable and two library targets, each requiring automoc:
add_library(codeeditorLib STATIC codeeditor.cpp)
add_library(privateSlot OBJECT private_slot.cpp)
configure_file(generated_resource.qrc.in generated_resource.qrc @ONLY)
add_custom_command(
OUTPUT generated.txt
COMMAND ${CMAKE_COMMAND} -E copy "${CMAKE_CURRENT_SOURCE_DIR}/generated.txt.in" "${CMAKE_CURRENT_BINARY_DIR}/generated.txt"
DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/generated.txt.in"
)
add_custom_target(generate_moc_input
DEPENDS generated.txt
COMMAND ${CMAKE_COMMAND} -E copy "${CMAKE_CURRENT_SOURCE_DIR}/myinterface.h.in" "${CMAKE_CURRENT_BINARY_DIR}"
COMMAND ${CMAKE_COMMAND} -E rename "${CMAKE_CURRENT_BINARY_DIR}/myinterface.h.in" "${CMAKE_CURRENT_BINARY_DIR}/myinterface.h"
)
add_custom_command(
OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/myotherinterface.h"
COMMAND ${CMAKE_COMMAND} -E copy "${CMAKE_CURRENT_SOURCE_DIR}/myotherinterface.h.in" "${CMAKE_CURRENT_BINARY_DIR}/myotherinterface.h"
DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/myotherinterface.h.in"
)
if (NOT CMAKE_CONFIGURATION_TYPES AND NOT CMAKE_GENERATOR STREQUAL Ninja)
set(debug_srcs "$<$<CONFIG:Debug>:debug_class.cpp>" $<$<CONFIG:Debug>:debug_resource.qrc>)
set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS $<$<CONFIG:Debug>:TEST_DEBUG_CLASS>)
endif()
# The -no-protection option disables the generation of include guards. Verify
# that setting the source file property has an effect by using this and
# issue an error in the preprocessor in calwidget.cpp if the include guard
# is defined.
set_source_files_properties(calwidget.ui PROPERTIES AUTOUIC_OPTIONS "-no-protection")
add_executable(QtAutogen main.cpp calwidget.cpp second_widget.cpp foo.cpp blub.cpp bar.cpp abc.cpp
multiplewidgets.cpp
xyz.cpp yaf.cpp gadget.cpp $<TARGET_OBJECTS:privateSlot>
test.qrc second_resource.qrc resourcetester.cpp generated.cpp ${debug_srcs}
${CMAKE_CURRENT_BINARY_DIR}/generated_resource.qrc
)
set_property(TARGET QtAutogen APPEND PROPERTY AUTOGEN_TARGET_DEPENDS generate_moc_input "${CMAKE_CURRENT_BINARY_DIR}/myotherinterface.h")
add_executable(targetObjectsTest targetObjectsTest.cpp $<TARGET_OBJECTS:privateSlot>)
target_link_libraries(targetObjectsTest ${QT_LIBRARIES})
set_target_properties(
QtAutogen codeeditorLib privateSlot targetObjectsTest
PROPERTIES
AUTOMOC TRUE
)
include(GenerateExportHeader)
# The order is relevant here. B depends on A, and B headers depend on A
# headers both subdirectories use CMAKE_INCLUDE_CURRENT_DIR_IN_INTERFACE and we
# test that CMAKE_AUTOMOC successfully reads the include directories
# for the build interface from those targets. There has previously been
# a bug where caching of the include directories happened before
# extracting the includes to pass to moc.
add_subdirectory(Bdir)
add_subdirectory(Adir)
add_library(libC SHARED libC.cpp)
set_target_properties(libC PROPERTIES AUTOMOC TRUE)
generate_export_header(libC)
target_link_libraries(libC LINK_PUBLIC libB)
target_link_libraries(QtAutogen codeeditorLib ${QT_LIBRARIES} libC)
# Add not_generated_file.qrc to the source list to get the file-level
# dependency, but don't generate a c++ file from it. Disable the AUTORCC
# feature for this target. This tests that qrc files in the sources don't
# have an effect on generation if AUTORCC is off.
add_library(empty STATIC empty.cpp not_generated_file.qrc)
set_target_properties(empty PROPERTIES AUTORCC OFF)
set_target_properties(empty PROPERTIES AUTOMOC TRUE)
target_link_libraries(empty no_link_language)
add_library(no_link_language STATIC empty.h)
set_target_properties(no_link_language PROPERTIES AUTOMOC TRUE)
qtx_wrap_cpp(uicOnlyMoc sub/uiconly.h)
add_executable(uiconly sub/uiconly.cpp ${uicOnlyMoc})
target_link_libraries(uiconly ${QT_LIBRARIES})
try_compile(RCC_DEPENDS
"${CMAKE_CURRENT_BINARY_DIR}/autorcc_depends"
"${CMAKE_CURRENT_SOURCE_DIR}/autorcc_depends"
autorcc_depends
CMAKE_FLAGS "-DQT_QMAKE_EXECUTABLE:FILEPATH=${QT_QMAKE_EXECUTABLE}" "-DQT_TEST_VERSION=${QT_TEST_VERSION}"
"-DCMAKE_PREFIX_PATH=${Qt_PREFIX_DIR}"
OUTPUT_VARIABLE output
)
if (NOT RCC_DEPENDS)
message(SEND_ERROR "Initial build of autorcc_depends failed. Output: ${output}")
endif()
file(STRINGS "${CMAKE_CURRENT_BINARY_DIR}/autorcc_depends/info_file.txt" qrc_files)
list(GET qrc_files 0 qrc_file1)
set(timeformat "%Y%j%H%M%S")
file(TIMESTAMP "${qrc_file1}" file1_before "${timeformat}")
execute_process(COMMAND "${CMAKE_COMMAND}" -E sleep 1) # Ensure that the timestamp will change.
execute_process(COMMAND "${CMAKE_COMMAND}" -E touch "${CMAKE_CURRENT_BINARY_DIR}/autorcc_depends/res1/input.txt")
execute_process(COMMAND "${CMAKE_COMMAND}" --build .
WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/autorcc_depends"
)
file(TIMESTAMP "${qrc_file1}" file1_step1 "${timeformat}")
if (NOT file1_step1 GREATER file1_before)
message(SEND_ERROR "file1 (${qrc_file1}) should have changed in the first step!")
endif()
#-----------------------------------------------------------------------------
try_compile(MOC_RERUN
"${CMAKE_CURRENT_BINARY_DIR}/automoc_rerun"
"${CMAKE_CURRENT_SOURCE_DIR}/automoc_rerun"
automoc_rerun
CMAKE_FLAGS "-DQT_QMAKE_EXECUTABLE:FILEPATH=${QT_QMAKE_EXECUTABLE}" "-DQT_TEST_VERSION=${QT_TEST_VERSION}"
"-DCMAKE_PREFIX_PATH=${Qt_PREFIX_DIR}"
OUTPUT_VARIABLE output
)
if (NOT MOC_RERUN)
message(SEND_ERROR "Initial build of automoc_rerun failed. Output: ${output}")
endif()
configure_file(automoc_rerun/test1.h.in2 automoc_rerun/test1.h COPYONLY)
execute_process(COMMAND "${CMAKE_COMMAND}" --build .
WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/automoc_rerun"
RESULT_VARIABLE automoc_rerun_result
)
if (automoc_rerun_result)
message(SEND_ERROR "Second build of automoc_rerun failed.")
endif()
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