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cmake_minimum_required(VERSION 2.8)
project(Qt4Targets)
cmake_policy(SET CMP0020 NEW)
find_package(Qt4 REQUIRED)
set(CMAKE_AUTOMOC ON)
set(CMAKE_INCLUDE_CURRENT_DIR ON)
add_executable(Qt4Targets WIN32 main.cpp)
target_link_libraries(Qt4Targets Qt4::QtGui)
if (WIN32)
if (TARGET Qt4::QAxServer)
add_executable(activeqtexe WIN32 activeqtexe.cpp)
set_property(TARGET activeqtexe PROPERTY QT4_NO_LINK_QTMAIN ON)
target_link_libraries(activeqtexe Qt4::QAxServer Qt4::QtGui)
endif()
endif()
qt4_generate_moc(main_gen_test.cpp
"${CMAKE_CURRENT_BINARY_DIR}/main_gen_test.moc"
TARGET Qt4GenerateMacroTest
)
add_executable(Qt4GenerateMacroTest WIN32 main_gen_test.cpp "${CMAKE_CURRENT_BINARY_DIR}/main_gen_test.moc")
set_property(TARGET Qt4GenerateMacroTest PROPERTY AUTOMOC OFF)
target_include_directories(Qt4GenerateMacroTest PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/interface")
target_link_libraries(Qt4GenerateMacroTest Qt4::QtGui)
qt4_wrap_cpp(moc_file mywrapobject.h
TARGET Qt4WrapMacroTest
)
add_executable(Qt4WrapMacroTest WIN32 main_wrap_test.cpp ${moc_file})
set_property(TARGET Qt4WrapMacroTest PROPERTY AUTOMOC OFF)
target_include_directories(Qt4WrapMacroTest PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/interface")
target_link_libraries(Qt4WrapMacroTest Qt4::QtGui)
macro(test_incremental def)
set(timeformat "%Y%j%H%M%S")
try_compile(RESULT
"${CMAKE_CURRENT_BINARY_DIR}/IncrementalMocBuild_${def}"
"${CMAKE_CURRENT_SOURCE_DIR}/IncrementalMoc"
IncrementalMoc
CMAKE_FLAGS -D${def}=0 "-DQT_QMAKE_EXECUTABLE:FILEPATH=${QT_QMAKE_EXECUTABLE}"
OUTPUT_VARIABLE output
)
file(TIMESTAMP "${CMAKE_CURRENT_BINARY_DIR}/IncrementalMocBuild_${def}/moc_foo.cpp" tsvar_before "${timeformat}")
if (NOT tsvar_before)
message(SEND_ERROR
"Unable to read timestamp from moc file from first build with -D${def}!\n"
"try_compile output:\n${output}"
)
endif()
execute_process(COMMAND "${CMAKE_COMMAND}" -E sleep 2) # Ensure that the timestamp will change.
try_compile(RESULT
"${CMAKE_CURRENT_BINARY_DIR}/IncrementalMocBuild_${def}"
"${CMAKE_CURRENT_SOURCE_DIR}/IncrementalMoc"
IncrementalMoc
CMAKE_FLAGS -D${def}=1 "-DQT_QMAKE_EXECUTABLE:FILEPATH=${QT_QMAKE_EXECUTABLE}"
OUTPUT_VARIABLE output
)
file(TIMESTAMP "${CMAKE_CURRENT_BINARY_DIR}/IncrementalMocBuild_${def}/moc_foo.cpp" tsvar_after "${timeformat}")
if (NOT tsvar_after)
message(SEND_ERROR
"Unable to read timestamp from moc file from second build!\n"
"try_compile output:\n${output}"
)
endif()
if (NOT tsvar_after GREATER tsvar_before)
message(SEND_ERROR "Rebuild did not re-create moc file with -D${def}. Before: ${tsvar_before}. After: ${tsvar_after}")
endif()
endmacro()
test_incremental(ADD_TARGET_DEF)
test_incremental(ADD_DIR_DEF)
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