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CMake/Modules/Qt4Macros.cmake
Brad King 86578eccf2 Simplify CMake per-source license notices 
Per-source copyright/license notice headers that spell out copyright holder
names and years are hard to maintain and often out-of-date or plain wrong.
Precise contributor information is already maintained automatically by the
version control tool.  Ultimately it is the receiver of a file who is
responsible for determining its licensing status, and per-source notices are
merely a convenience.  Therefore it is simpler and more accurate for
each source to have a generic notice of the license name and references to
more detailed information on copyright holders and full license terms.

Our `Copyright.txt` file now contains a list of Contributors whose names
appeared source-level copyright notices.  It also references version control
history for more precise information.  Therefore we no longer need to spell
out the list of Contributors in each source file notice.

Replace CMake per-source copyright/license notice headers with a short
description of the license and links to `Copyright.txt` and online information
available from "https://cmake.org/licensing".  The online URL also handles
cases of modules being copied out of our source into other projects, so we
can drop our notices about replacing links with full license text.

Run the `Utilities/Scripts/filter-notices.bash` script to perform the majority
of the replacements mechanically.  Manually fix up shebang lines and trailing
newlines in a few files.  Manually update the notices in a few files that the
script does not handle.
2016-09-27 15:14:44 -04:00

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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
#.rst:
# Qt4Macros
# ---------
#
#
#
# This file is included by FindQt4.cmake, don't include it directly.
######################################
#
# Macros for building Qt files
#
######################################
macro (QT4_EXTRACT_OPTIONS _qt4_files _qt4_options _qt4_target)
set(${_qt4_files})
set(${_qt4_options})
set(_QT4_DOING_OPTIONS FALSE)
set(_QT4_DOING_TARGET FALSE)
foreach(_currentArg ${ARGN})
if ("x${_currentArg}" STREQUAL "xOPTIONS")
set(_QT4_DOING_OPTIONS TRUE)
elseif ("x${_currentArg}" STREQUAL "xTARGET")
set(_QT4_DOING_TARGET TRUE)
else ()
if(_QT4_DOING_TARGET)
set(${_qt4_target} "${_currentArg}")
elseif(_QT4_DOING_OPTIONS)
list(APPEND ${_qt4_options} "${_currentArg}")
else()
list(APPEND ${_qt4_files} "${_currentArg}")
endif()
endif ()
endforeach()
endmacro ()
# macro used to create the names of output files preserving relative dirs
macro (QT4_MAKE_OUTPUT_FILE infile prefix ext outfile )
string(LENGTH ${CMAKE_CURRENT_BINARY_DIR} _binlength)
string(LENGTH ${infile} _infileLength)
set(_checkinfile ${CMAKE_CURRENT_SOURCE_DIR})
if(_infileLength GREATER _binlength)
string(SUBSTRING "${infile}" 0 ${_binlength} _checkinfile)
if(_checkinfile STREQUAL "${CMAKE_CURRENT_BINARY_DIR}")
file(RELATIVE_PATH rel ${CMAKE_CURRENT_BINARY_DIR} ${infile})
else()
file(RELATIVE_PATH rel ${CMAKE_CURRENT_SOURCE_DIR} ${infile})
endif()
else()
file(RELATIVE_PATH rel ${CMAKE_CURRENT_SOURCE_DIR} ${infile})
endif()
if(WIN32 AND rel MATCHES "^([a-zA-Z]):(.*)$") # absolute path
set(rel "${CMAKE_MATCH_1}_${CMAKE_MATCH_2}")
endif()
set(_outfile "${CMAKE_CURRENT_BINARY_DIR}/${rel}")
string(REPLACE ".." "__" _outfile ${_outfile})
get_filename_component(outpath ${_outfile} PATH)
get_filename_component(_outfile ${_outfile} NAME_WE)
file(MAKE_DIRECTORY ${outpath})
set(${outfile} ${outpath}/${prefix}${_outfile}.${ext})
endmacro ()
macro (QT4_GET_MOC_FLAGS _moc_flags)
set(${_moc_flags})
get_directory_property(_inc_DIRS INCLUDE_DIRECTORIES)
foreach(_current ${_inc_DIRS})
if("${_current}" MATCHES "\\.framework/?$")
string(REGEX REPLACE "/[^/]+\\.framework" "" framework_path "${_current}")
set(${_moc_flags} ${${_moc_flags}} "-F${framework_path}")
else()
set(${_moc_flags} ${${_moc_flags}} "-I${_current}")
endif()
endforeach()
get_directory_property(_defines COMPILE_DEFINITIONS)
foreach(_current ${_defines})
set(${_moc_flags} ${${_moc_flags}} "-D${_current}")
endforeach()
if(Q_WS_WIN)
set(${_moc_flags} ${${_moc_flags}} -DWIN32)
endif()
endmacro()
# helper macro to set up a moc rule
function (QT4_CREATE_MOC_COMMAND infile outfile moc_flags moc_options moc_target)
# For Windows, create a parameters file to work around command line length limit
# Pass the parameters in a file. Set the working directory to
# be that containing the parameters file and reference it by
# just the file name. This is necessary because the moc tool on
# MinGW builds does not seem to handle spaces in the path to the
# file given with the @ syntax.
get_filename_component(_moc_outfile_name "${outfile}" NAME)
get_filename_component(_moc_outfile_dir "${outfile}" PATH)
if(_moc_outfile_dir)
set(_moc_working_dir WORKING_DIRECTORY ${_moc_outfile_dir})
endif()
set (_moc_parameters_file ${outfile}_parameters)
set (_moc_parameters ${moc_flags} ${moc_options} -o "${outfile}" "${infile}")
string (REPLACE ";" "\n" _moc_parameters "${_moc_parameters}")
if(moc_target)
set (_moc_parameters_file ${_moc_parameters_file}$<$<BOOL:$<CONFIGURATION>>:_$<CONFIGURATION>>)
set(targetincludes "$<TARGET_PROPERTY:${moc_target},INCLUDE_DIRECTORIES>")
set(targetdefines "$<TARGET_PROPERTY:${moc_target},COMPILE_DEFINITIONS>")
set(targetincludes "$<$<BOOL:${targetincludes}>:-I$<JOIN:${targetincludes},\n-I>\n>")
set(targetdefines "$<$<BOOL:${targetdefines}>:-D$<JOIN:${targetdefines},\n-D>\n>")
file (GENERATE
OUTPUT ${_moc_parameters_file}
CONTENT "${targetdefines}${targetincludes}${_moc_parameters}\n"
)
set(targetincludes)
set(targetdefines)
else()
set(CMAKE_CONFIGURABLE_FILE_CONTENT "${_moc_parameters}")
configure_file("${CMAKE_ROOT}/Modules/CMakeConfigurableFile.in"
"${_moc_parameters_file}" @ONLY)
endif()
set(_moc_extra_parameters_file @${_moc_parameters_file})
add_custom_command(OUTPUT ${outfile}
COMMAND Qt4::moc ${_moc_extra_parameters_file}
DEPENDS ${infile} ${_moc_parameters_file}
${_moc_working_dir}
VERBATIM)
endfunction ()
macro (QT4_GENERATE_MOC infile outfile )
# get include dirs and flags
QT4_GET_MOC_FLAGS(moc_flags)
get_filename_component(abs_infile ${infile} ABSOLUTE)
set(_outfile "${outfile}")
if(NOT IS_ABSOLUTE "${outfile}")
set(_outfile "${CMAKE_CURRENT_BINARY_DIR}/${outfile}")
endif()
if (${ARGC} GREATER 3 AND "x${ARGV2}" STREQUAL "xTARGET")
set(moc_target ${ARGV3})
endif()
QT4_CREATE_MOC_COMMAND(${abs_infile} ${_outfile} "${moc_flags}" "" "${moc_target}")
set_source_files_properties(${outfile} PROPERTIES SKIP_AUTOMOC TRUE) # dont run automoc on this file
endmacro ()
# QT4_WRAP_CPP(outfiles inputfile ... )
macro (QT4_WRAP_CPP outfiles )
# get include dirs
QT4_GET_MOC_FLAGS(moc_flags)
QT4_EXTRACT_OPTIONS(moc_files moc_options moc_target ${ARGN})
foreach (it ${moc_files})
get_filename_component(it ${it} ABSOLUTE)
QT4_MAKE_OUTPUT_FILE(${it} moc_ cxx outfile)
QT4_CREATE_MOC_COMMAND(${it} ${outfile} "${moc_flags}" "${moc_options}" "${moc_target}")
set(${outfiles} ${${outfiles}} ${outfile})
endforeach()
endmacro ()
# QT4_WRAP_UI(outfiles inputfile ... )
macro (QT4_WRAP_UI outfiles )
QT4_EXTRACT_OPTIONS(ui_files ui_options ui_target ${ARGN})
foreach (it ${ui_files})
get_filename_component(outfile ${it} NAME_WE)
get_filename_component(infile ${it} ABSOLUTE)
set(outfile ${CMAKE_CURRENT_BINARY_DIR}/ui_${outfile}.h)
add_custom_command(OUTPUT ${outfile}
COMMAND Qt4::uic
ARGS ${ui_options} -o ${outfile} ${infile}
MAIN_DEPENDENCY ${infile} VERBATIM)
set(${outfiles} ${${outfiles}} ${outfile})
endforeach ()
endmacro ()
# QT4_ADD_RESOURCES(outfiles inputfile ... )
macro (QT4_ADD_RESOURCES outfiles )
QT4_EXTRACT_OPTIONS(rcc_files rcc_options rcc_target ${ARGN})
foreach (it ${rcc_files})
get_filename_component(outfilename ${it} NAME_WE)
get_filename_component(infile ${it} ABSOLUTE)
get_filename_component(rc_path ${infile} PATH)
set(outfile ${CMAKE_CURRENT_BINARY_DIR}/qrc_${outfilename}.cxx)
set(_RC_DEPENDS)
if(EXISTS "${infile}")
# parse file for dependencies
# all files are absolute paths or relative to the location of the qrc file
file(READ "${infile}" _RC_FILE_CONTENTS)
string(REGEX MATCHALL "<file[^<]+" _RC_FILES "${_RC_FILE_CONTENTS}")
foreach(_RC_FILE ${_RC_FILES})
string(REGEX REPLACE "^<file[^>]*>" "" _RC_FILE "${_RC_FILE}")
if(NOT IS_ABSOLUTE "${_RC_FILE}")
set(_RC_FILE "${rc_path}/${_RC_FILE}")
endif()
set(_RC_DEPENDS ${_RC_DEPENDS} "${_RC_FILE}")
endforeach()
unset(_RC_FILES)
unset(_RC_FILE_CONTENTS)
# Since this cmake macro is doing the dependency scanning for these files,
# let's make a configured file and add it as a dependency so cmake is run
# again when dependencies need to be recomputed.
QT4_MAKE_OUTPUT_FILE("${infile}" "" "qrc.depends" out_depends)
configure_file("${infile}" "${out_depends}" COPYONLY)
else()
# The .qrc file does not exist (yet). Let's add a dependency and hope
# that it will be generated later
set(out_depends)
endif()
add_custom_command(OUTPUT ${outfile}
COMMAND Qt4::rcc
ARGS ${rcc_options} -name ${outfilename} -o ${outfile} ${infile}
MAIN_DEPENDENCY ${infile}
DEPENDS ${_RC_DEPENDS} "${out_depends}" VERBATIM)
set(${outfiles} ${${outfiles}} ${outfile})
endforeach ()
endmacro ()
macro(QT4_ADD_DBUS_INTERFACE _sources _interface _basename)
get_filename_component(_infile ${_interface} ABSOLUTE)
set(_header "${CMAKE_CURRENT_BINARY_DIR}/${_basename}.h")
set(_impl "${CMAKE_CURRENT_BINARY_DIR}/${_basename}.cpp")
set(_moc "${CMAKE_CURRENT_BINARY_DIR}/${_basename}.moc")
get_source_file_property(_nonamespace ${_interface} NO_NAMESPACE)
if(_nonamespace)
set(_params -N -m)
else()
set(_params -m)
endif()
get_source_file_property(_classname ${_interface} CLASSNAME)
if(_classname)
set(_params ${_params} -c ${_classname})
endif()
get_source_file_property(_include ${_interface} INCLUDE)
if(_include)
set(_params ${_params} -i ${_include})
endif()
add_custom_command(OUTPUT "${_impl}" "${_header}"
COMMAND Qt4::qdbusxml2cpp ${_params} -p ${_basename} ${_infile}
DEPENDS ${_infile} VERBATIM)
set_source_files_properties("${_impl}" PROPERTIES SKIP_AUTOMOC TRUE)
QT4_GENERATE_MOC("${_header}" "${_moc}")
list(APPEND ${_sources} "${_impl}" "${_header}" "${_moc}")
MACRO_ADD_FILE_DEPENDENCIES("${_impl}" "${_moc}")
endmacro()
macro(QT4_ADD_DBUS_INTERFACES _sources)
foreach (_current_FILE ${ARGN})
get_filename_component(_infile ${_current_FILE} ABSOLUTE)
get_filename_component(_basename ${_current_FILE} NAME)
# get the part before the ".xml" suffix
string(TOLOWER ${_basename} _basename)
string(REGEX REPLACE "(.*\\.)?([^\\.]+)\\.xml" "\\2" _basename ${_basename})
QT4_ADD_DBUS_INTERFACE(${_sources} ${_infile} ${_basename}interface)
endforeach ()
endmacro()
macro(QT4_GENERATE_DBUS_INTERFACE _header) # _customName OPTIONS -some -options )
QT4_EXTRACT_OPTIONS(_customName _qt4_dbus_options _qt4_dbus_target ${ARGN})
get_filename_component(_in_file ${_header} ABSOLUTE)
get_filename_component(_basename ${_header} NAME_WE)
if (_customName)
if (IS_ABSOLUTE ${_customName})
get_filename_component(_containingDir ${_customName} PATH)
if (NOT EXISTS ${_containingDir})
file(MAKE_DIRECTORY "${_containingDir}")
endif()
set(_target ${_customName})
else()
set(_target ${CMAKE_CURRENT_BINARY_DIR}/${_customName})
endif()
else ()
set(_target ${CMAKE_CURRENT_BINARY_DIR}/${_basename}.xml)
endif ()
add_custom_command(OUTPUT ${_target}
COMMAND Qt4::qdbuscpp2xml ${_qt4_dbus_options} ${_in_file} -o ${_target}
DEPENDS ${_in_file} VERBATIM
)
endmacro()
macro(QT4_ADD_DBUS_ADAPTOR _sources _xml_file _include _parentClass) # _optionalBasename _optionalClassName)
get_filename_component(_infile ${_xml_file} ABSOLUTE)
unset(_optionalBasename)
if(${ARGC} GREATER 4)
set(_optionalBasename "${ARGV4}")
endif()
if (_optionalBasename)
set(_basename ${_optionalBasename} )
else ()
string(REGEX REPLACE "(.*[/\\.])?([^\\.]+)\\.xml" "\\2adaptor" _basename ${_infile})
string(TOLOWER ${_basename} _basename)
endif ()
unset(_optionalClassName)
if(${ARGC} GREATER 5)
set(_optionalClassName "${ARGV5}")
endif()
set(_header "${CMAKE_CURRENT_BINARY_DIR}/${_basename}.h")
set(_impl "${CMAKE_CURRENT_BINARY_DIR}/${_basename}.cpp")
set(_moc "${CMAKE_CURRENT_BINARY_DIR}/${_basename}.moc")
if(_optionalClassName)
add_custom_command(OUTPUT "${_impl}" "${_header}"
COMMAND Qt4::qdbusxml2cpp -m -a ${_basename} -c ${_optionalClassName} -i ${_include} -l ${_parentClass} ${_infile}
DEPENDS ${_infile} VERBATIM
)
else()
add_custom_command(OUTPUT "${_impl}" "${_header}"
COMMAND Qt4::qdbusxml2cpp -m -a ${_basename} -i ${_include} -l ${_parentClass} ${_infile}
DEPENDS ${_infile} VERBATIM
)
endif()
QT4_GENERATE_MOC("${_header}" "${_moc}")
set_source_files_properties("${_impl}" PROPERTIES SKIP_AUTOMOC TRUE)
MACRO_ADD_FILE_DEPENDENCIES("${_impl}" "${_moc}")
list(APPEND ${_sources} "${_impl}" "${_header}" "${_moc}")
endmacro()
macro(QT4_AUTOMOC)
if(NOT CMAKE_MINIMUM_REQUIRED_VERSION VERSION_LESS 2.8.11)
message(DEPRECATION "The qt4_automoc macro is obsolete. Use the CMAKE_AUTOMOC feature instead.")
endif()
QT4_GET_MOC_FLAGS(_moc_INCS)
set(_matching_FILES )
foreach (_current_FILE ${ARGN})
get_filename_component(_abs_FILE ${_current_FILE} ABSOLUTE)
# if "SKIP_AUTOMOC" is set to true, we will not handle this file here.
# This is required to make uic work correctly:
# we need to add generated .cpp files to the sources (to compile them),
# but we cannot let automoc handle them, as the .cpp files don't exist yet when
# cmake is run for the very first time on them -> however the .cpp files might
# exist at a later run. at that time we need to skip them, so that we don't add two
# different rules for the same moc file
get_source_file_property(_skip ${_abs_FILE} SKIP_AUTOMOC)
if ( NOT _skip AND EXISTS ${_abs_FILE} )
file(READ ${_abs_FILE} _contents)
get_filename_component(_abs_PATH ${_abs_FILE} PATH)
string(REGEX MATCHALL "# *include +[^ ]+\\.moc[\">]" _match "${_contents}")
if(_match)
foreach (_current_MOC_INC ${_match})
string(REGEX MATCH "[^ <\"]+\\.moc" _current_MOC "${_current_MOC_INC}")
get_filename_component(_basename ${_current_MOC} NAME_WE)
if(EXISTS ${_abs_PATH}/${_basename}.hpp)
set(_header ${_abs_PATH}/${_basename}.hpp)
else()
set(_header ${_abs_PATH}/${_basename}.h)
endif()
set(_moc ${CMAKE_CURRENT_BINARY_DIR}/${_current_MOC})
QT4_CREATE_MOC_COMMAND(${_header} ${_moc} "${_moc_INCS}" "" "")
MACRO_ADD_FILE_DEPENDENCIES(${_abs_FILE} ${_moc})
endforeach ()
endif()
endif ()
endforeach ()
endmacro()
macro(QT4_CREATE_TRANSLATION _qm_files)
QT4_EXTRACT_OPTIONS(_lupdate_files _lupdate_options _lupdate_target ${ARGN})
set(_my_sources)
set(_my_dirs)
set(_my_tsfiles)
set(_ts_pro)
foreach (_file ${_lupdate_files})
get_filename_component(_ext ${_file} EXT)
get_filename_component(_abs_FILE ${_file} ABSOLUTE)
if(_ext MATCHES "ts")
list(APPEND _my_tsfiles ${_abs_FILE})
else()
if(NOT _ext)
list(APPEND _my_dirs ${_abs_FILE})
else()
list(APPEND _my_sources ${_abs_FILE})
endif()
endif()
endforeach()
foreach(_ts_file ${_my_tsfiles})
if(_my_sources)
# make a .pro file to call lupdate on, so we don't make our commands too
# long for some systems
get_filename_component(_ts_name ${_ts_file} NAME_WE)
set(_ts_pro ${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/${_ts_name}_lupdate.pro)
set(_pro_srcs)
foreach(_pro_src ${_my_sources})
string(APPEND _pro_srcs " \\\n \"${_pro_src}\"")
endforeach()
set(_pro_includes)
get_directory_property(_inc_DIRS INCLUDE_DIRECTORIES)
list(REMOVE_DUPLICATES _inc_DIRS)
foreach(_pro_include ${_inc_DIRS})
get_filename_component(_abs_include "${_pro_include}" ABSOLUTE)
string(APPEND _pro_includes " \\\n \"${_abs_include}\"")
endforeach()
file(WRITE ${_ts_pro} "SOURCES =${_pro_srcs}\nINCLUDEPATH =${_pro_includes}\n")
endif()
add_custom_command(OUTPUT ${_ts_file}
COMMAND Qt4::lupdate
ARGS ${_lupdate_options} ${_ts_pro} ${_my_dirs} -ts ${_ts_file}
DEPENDS ${_my_sources} ${_ts_pro} VERBATIM)
endforeach()
QT4_ADD_TRANSLATION(${_qm_files} ${_my_tsfiles})
endmacro()
macro(QT4_ADD_TRANSLATION _qm_files)
foreach (_current_FILE ${ARGN})
get_filename_component(_abs_FILE ${_current_FILE} ABSOLUTE)
get_filename_component(qm ${_abs_FILE} NAME_WE)
get_source_file_property(output_location ${_abs_FILE} OUTPUT_LOCATION)
if(output_location)
file(MAKE_DIRECTORY "${output_location}")
set(qm "${output_location}/${qm}.qm")
else()
set(qm "${CMAKE_CURRENT_BINARY_DIR}/${qm}.qm")
endif()
add_custom_command(OUTPUT ${qm}
COMMAND Qt4::lrelease
ARGS ${_abs_FILE} -qm ${qm}
DEPENDS ${_abs_FILE} VERBATIM
)
set(${_qm_files} ${${_qm_files}} ${qm})
endforeach ()
endmacro()
function(qt4_use_modules _target _link_type)
if(NOT CMAKE_MINIMUM_REQUIRED_VERSION VERSION_LESS 2.8.11)
message(DEPRECATION "The qt4_use_modules function is obsolete. Use target_link_libraries with IMPORTED targets instead.")
endif()
if ("${_link_type}" STREQUAL "LINK_PUBLIC" OR "${_link_type}" STREQUAL "LINK_PRIVATE")
set(modules ${ARGN})
set(link_type ${_link_type})
else()
set(modules ${_link_type} ${ARGN})
endif()
foreach(_module ${modules})
string(TOUPPER ${_module} _ucmodule)
set(_targetPrefix QT_QT${_ucmodule})
if (_ucmodule STREQUAL QAXCONTAINER OR _ucmodule STREQUAL QAXSERVER)
if (NOT QT_Q${_ucmodule}_FOUND)
message(FATAL_ERROR "Can not use \"${_module}\" module which has not yet been found.")
endif()
set(_targetPrefix QT_Q${_ucmodule})
else()
if (NOT QT_QT${_ucmodule}_FOUND)
message(FATAL_ERROR "Can not use \"${_module}\" module which has not yet been found.")
endif()
if ("${_ucmodule}" STREQUAL "MAIN")
message(FATAL_ERROR "Can not use \"${_module}\" module with qt4_use_modules.")
endif()
endif()
target_link_libraries(${_target} ${link_type} ${${_targetPrefix}_LIBRARIES})
set_property(TARGET ${_target} APPEND PROPERTY INCLUDE_DIRECTORIES ${${_targetPrefix}_INCLUDE_DIR} ${QT_HEADERS_DIR} ${QT_MKSPECS_DIR}/default)
set_property(TARGET ${_target} APPEND PROPERTY COMPILE_DEFINITIONS ${${_targetPrefix}_COMPILE_DEFINITIONS})
endforeach()
endfunction()
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