qt5base-lts/cmake/QtProcessConfigureArgs.cmake
Joerg Bornemann 7ddb4dcad5 CMake: Implement configure -qpa
Change-Id: I38a938cda91a525d2af22deec864c6a12af3e29d
Reviewed-by: Cristian Adam <cristian.adam@qt.io>
2020-09-11 00:41:20 +02:00

660 lines
22 KiB
CMake

# This script reads Qt configure arguments from config.opt,
# translates the arguments to CMake arguments and calls CMake.
#
# This file is to be used in CMake script mode with the following variables set:
# OPTFILE: A text file containing the options that were passed to configure
# with one option per line.
# MODULE_ROOT: The source directory of the module to be built.
# If empty, qtbase/top-level is assumed.
include(${CMAKE_CURRENT_LIST_DIR}/QtFeatureCommon.cmake)
cmake_policy(SET CMP0007 NEW)
cmake_policy(SET CMP0057 NEW)
set(cmake_args "")
macro(push)
list(APPEND cmake_args ${ARGN})
endmacro()
macro(pop_path_argument)
list(POP_FRONT configure_args path)
string(REGEX REPLACE "^\"(.*)\"$" "\\1" path "${path}")
file(TO_CMAKE_PATH "${path}" path)
endmacro()
if("${MODULE_ROOT}" STREQUAL "")
# If MODULE_ROOT is not set, assume that we want to build qtbase or top-level.
get_filename_component(MODULE_ROOT ".." ABSOLUTE BASE_DIR "${CMAKE_CURRENT_LIST_DIR}")
else()
file(TO_CMAKE_PATH "${MODULE_ROOT}" MODULE_ROOT)
endif()
set(configure_filename "configure.cmake")
set(commandline_filename "qt_cmdline.cmake")
set(commandline_files "${MODULE_ROOT}/${commandline_filename}")
file(STRINGS "${OPTFILE}" configure_args)
list(FILTER configure_args EXCLUDE REGEX "^[ \t]*$")
list(TRANSFORM configure_args STRIP)
unset(generator)
set(auto_detect_generator TRUE)
unset(device_options)
set_property(GLOBAL PROPERTY UNHANDLED_ARGS "")
while(configure_args)
list(POP_FRONT configure_args arg)
if(arg STREQUAL "-cmake")
# ignore
elseif(arg STREQUAL "-cmake-generator")
list(POP_FRONT configure_args generator)
elseif(arg STREQUAL "-cmake-use-default-generator")
set(auto_detect_generator FALSE)
elseif(arg STREQUAL "-top-level")
get_filename_component(MODULE_ROOT "../.." ABSOLUTE BASE_DIR "${CMAKE_CURRENT_LIST_DIR}")
file(GLOB commandline_files "${MODULE_ROOT}/*/${commandline_filename}")
if(EXISTS "${MODULE_ROOT}/${commandline_filename}")
list(PREPEND commandline_files "${MODULE_ROOT}/${commandline_filename}")
endif()
elseif(arg STREQUAL "-skip")
list(POP_FRONT configure_args qtrepo)
push("-DBUILD_${qtrepo}=OFF")
elseif(arg STREQUAL "-hostprefix")
message(FATAL_ERROR "${arg} is not supported in the CMake build.")
elseif(arg STREQUAL "-external-hostbindir")
# This points to the bin directory of the Qt installation.
# This can be multiple levels deep and we cannot deduce the QT_HOST_PATH safely.
message(FATAL_ERROR "${arg} is not supported anymore. Use -qt-host-path <dir> instead.")
elseif(arg STREQUAL "-qt-host-path")
pop_path_argument()
push("-DQT_HOST_PATH=${path}")
elseif(arg MATCHES "^-host.*dir")
message(FATAL_ERROR "${arg} is not supported anymore.")
elseif(arg STREQUAL "--")
# Everything after this argument will be passed to CMake verbatim.
push(${configure_args})
break()
else()
set_property(GLOBAL APPEND PROPERTY UNHANDLED_ARGS "${arg}")
endif()
endwhile()
####################################################################################################
# Define functions/macros that are called in configure.cmake files
#
# Every function that's called in a configure.cmake file must be defined here.
# Most are empty stubs.
####################################################################################################
set_property(GLOBAL PROPERTY COMMANDLINE_KNOWN_FEATURES "")
function(qt_feature feature)
set_property(GLOBAL APPEND PROPERTY COMMANDLINE_KNOWN_FEATURES "${feature}")
endfunction()
macro(defstub name)
function(${name})
endfunction()
endmacro()
defstub(qt_add_qmake_lib_dependency)
defstub(qt_config_compile_test)
defstub(qt_config_compile_test_machine_tuple)
defstub(qt_config_compile_test_x86simd)
defstub(qt_config_compiler_supports_flag_test)
defstub(qt_config_linker_supports_flag_test)
defstub(qt_configure_add_report_entry)
defstub(qt_configure_add_summary_build_mode)
defstub(qt_configure_add_summary_build_parts)
defstub(qt_configure_add_summary_build_type_and_config)
defstub(qt_configure_add_summary_entry)
defstub(qt_configure_add_summary_section)
defstub(qt_configure_end_summary_section)
defstub(qt_extra_definition)
defstub(qt_feature_config)
defstub(qt_feature_definition)
defstub(qt_find_package)
defstub(set_package_properties)
defstub(qt_qml_find_python)
####################################################################################################
# Define functions/macros that are called in qt_cmdline.cmake files
####################################################################################################
unset(commandline_custom_handlers)
set(commandline_nr_of_prefixes 0)
set(commandline_nr_of_assignments 0)
macro(qt_commandline_subconfig subconfig)
list(APPEND commandline_subconfigs "${subconfig}")
endmacro()
macro(qt_commandline_custom handler)
list(APPEND commandline_custom_handlers ${handler})
endmacro()
function(qt_commandline_option name)
set(options)
set(oneValueArgs TYPE NAME VALUE)
set(multiValueArgs VALUES MAPPING)
cmake_parse_arguments(arg "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
set(commandline_option_${name} "${arg_TYPE}" PARENT_SCOPE)
if(NOT "${arg_NAME}" STREQUAL "")
set(commandline_option_${name}_variable "${arg_NAME}" PARENT_SCOPE)
endif()
if(NOT "${arg_VALUE}" STREQUAL "")
set(commandline_option_${name}_value "${arg_VALUE}" PARENT_SCOPE)
endif()
if(arg_VALUES)
set(commandline_option_${name}_values ${arg_VALUES} PARENT_SCOPE)
elseif(arg_MAPPING)
set(commandline_option_${name}_mapping ${arg_MAPPING} PARENT_SCOPE)
endif()
endfunction()
function(qt_commandline_prefix arg var)
set(idx ${commandline_nr_of_prefixes})
set(commandline_prefix_${idx} "${arg}" "${var}" PARENT_SCOPE)
math(EXPR n "${commandline_nr_of_prefixes} + 1")
set(commandline_nr_of_prefixes ${n} PARENT_SCOPE)
endfunction()
function(qt_commandline_assignment var internal_var)
set(idx ${commandline_nr_of_assignments})
set(commandline_assignment_${idx} "${var}" "${internal_var}" PARENT_SCOPE)
math(EXPR n "${commandline_nr_of_assignments} + 1")
set(commandline_nr_of_assignments ${n} PARENT_SCOPE)
endfunction()
####################################################################################################
# Load qt_cmdline.cmake files
####################################################################################################
while(commandline_files)
list(POP_FRONT commandline_files commandline_file)
get_filename_component(commandline_file_directory "${commandline_file}" DIRECTORY)
set(configure_file "${commandline_file_directory}/${configure_filename}")
unset(commandline_subconfigs)
if(EXISTS "${configure_file}")
include(${configure_file})
endif()
include(${commandline_file})
if(commandline_subconfigs)
list(TRANSFORM commandline_subconfigs PREPEND "${commandline_file_directory}/")
list(TRANSFORM commandline_subconfigs APPEND "/${commandline_filename}")
list(PREPEND commandline_files "${commandline_subconfigs}")
endif()
endwhile()
get_property(commandline_known_features GLOBAL PROPERTY COMMANDLINE_KNOWN_FEATURES)
####################################################################################################
# Process the data from the qt_cmdline.cmake files
####################################################################################################
function(qtConfAddNote msg)
message(WARNING "${msg}")
endfunction()
function(qtConfAddError msg)
message(FATAL_ERROR "${msg}")
endfunction()
set_property(GLOBAL PROPERTY CONFIG_INPUTS "")
function(qtConfCommandlineSetInput name val)
if(NOT "${commandline_option_${name}_variable}" STREQUAL "")
set(name "${commandline_option_${name}_variable}")
endif()
if(NOT "${INPUT_${name}}" STREQUAL "")
set(oldval "${INPUT_${name}}")
if("${oldval}" STREQUAL "${val}")
qtConfAddNote("Option '${name}' with value '${val}' was specified twice")
else()
qtConfAddNote("Overriding option '${name}' with '${val}' (was: '${oldval}')")
endif()
endif()
set_property(GLOBAL PROPERTY INPUT_${name} "${val}")
set_property(GLOBAL APPEND PROPERTY CONFIG_INPUTS ${name})
endfunction()
function(qtConfValidateValue opt val out_var)
set(${out_var} TRUE PARENT_SCOPE)
set(valid_values ${commandline_option_${arg}_values})
list(LENGTH valid_values n)
if(n EQUAL 0)
return()
endif()
foreach(v ${valid_values})
if(val STREQUAL v)
return()
endif()
endforeach()
set(${out_var} FALSE PARENT_SCOPE)
qtConfAddError("Invalid value '${val}' supplied to command line option '${opt}'.")
endfunction()
function(qt_commandline_mapped_enum_value opt key out_var)
unset(result)
set(mapping ${commandline_option_${opt}_mapping})
while(mapping)
list(POP_FRONT mapping mapping_key)
list(POP_FRONT mapping mapping_value)
if(mapping_key STREQUAL key)
set(result "${mapping_value}")
break()
endif()
endwhile()
set(${out_var} "${result}" PARENT_SCOPE)
endfunction()
function(qtConfHasNextCommandlineArg out_var)
get_property(args GLOBAL PROPERTY UNHANDLED_ARGS)
list(LENGTH args n)
if(n GREATER 0)
set(result TRUE)
else()
set(result FALSE)
endif()
set(${out_var} ${result} PARENT_SCOPE)
endfunction()
function(qtConfPeekNextCommandlineArg out_var)
get_property(args GLOBAL PROPERTY UNHANDLED_ARGS)
list(GET args 0 result)
set(${out_var} ${result} PARENT_SCOPE)
endfunction()
function(qtConfGetNextCommandlineArg out_var)
get_property(args GLOBAL PROPERTY UNHANDLED_ARGS)
list(POP_FRONT args result)
set_property(GLOBAL PROPERTY UNHANDLED_ARGS ${args})
set(${out_var} ${result} PARENT_SCOPE)
endfunction()
function(qt_commandline_boolean arg val nextok)
if("${val}" STREQUAL "")
set(val "yes")
endif()
if(NOT val STREQUAL "yes" AND NOT val STREQUAL "no")
message(FATAL_ERROR "Invalid value '${val}' given for boolean command line option '${arg}'.")
endif()
qtConfCommandlineSetInput("${arg}" "${val}")
endfunction()
function(qt_commandline_string arg val nextok)
if(nextok)
qtConfGetNextCommandlineArg(val)
if("${val}" MATCHES "^-")
qtConfAddError("No value supplied to command line options '${opt}'.")
endif()
endif()
qtConfValidateValue("${opt}" "${val}" success)
if(success)
qtConfCommandlineSetInput("${opt}" "${val}")
endif()
endfunction()
function(qt_commandline_optionalString arg val nextok)
if("${val}" STREQUAL "")
if(nextok)
qtConfPeekNextCommandlineArg(val)
endif()
if(val MATCHES "^-.*|[A-Z0-9_+]=.*" OR val STREQUAL "")
set(val "yes")
else()
qtConfGetNextCommandlineArg(val)
endif()
endif()
qtConfValidateValue("${arg}" "${val}" success)
if(success)
qtConfCommandlineSetInput("${arg}" "${val}")
endif()
endfunction()
function(qt_commandline_addString arg val nextok)
if("${val}" STREQUAL "" AND nextok)
qtConfGetNextCommandlineArg(val)
endif()
if(val MATCHES "^-.*" OR val STREQUAL "")
qtConfAddError("No value supplied to command line option '${arg}'.")
endif()
qtConfValidateValue("${arg}" "${val}" success)
if(success)
if(DEFINED command_line_option_${arg}_variable)
set(opt ${command_line_option_${arg}_variable)
endif()
set_property(GLOBAL APPEND PROPERTY "INPUT_${arg}" "${val}")
set_property(GLOBAL APPEND PROPERTY CONFIG_INPUTS ${arg})
endif()
endfunction()
function(qt_commandline_enum arg val nextok)
if("${val}" STREQUAL "")
set(val "yes")
endif()
unset(mapped)
if(DEFINED "commandline_option_${arg}_mapping")
qt_commandline_mapped_enum_value("${arg}" "${val}" mapped)
elseif(DEFINED "commandline_option_${arg}_values")
if(val IN_LIST commandline_option_${arg}_values)
set(mapped ${val})
endif()
endif()
if("${mapped}" STREQUAL "")
qtConfAddError("Invalid value '${val}' supplied to command line option '${arg}'.")
endif()
qtConfCommandlineSetInput("${arg}" "${mapped}")
endfunction()
function(qt_commandline_void arg val nextok)
if(NOT "${val}" STREQUAL "")
qtConfAddError("Command line option '${arg}' expects no argument ('${val}' given).")
endif()
if(DEFINED commandline_option_${arg}_value)
set(val ${commandline_option_${arg}_value})
endif()
if("${val}" STREQUAL "")
set(val yes)
endif()
qtConfCommandlineSetInput("${arg}" "${val}")
endfunction()
function(qt_call_function func)
set(call_code "${func}(")
math(EXPR n "${ARGC} - 1")
foreach(i RANGE 1 ${n})
string(APPEND call_code "\"${ARGV${i}}\" ")
endforeach()
string(APPEND call_code ")")
if(${CMAKE_VERSION} VERSION_LESS "3.18.0")
set(incfile qt_tmp_func_call.cmake)
file(WRITE "${incfile}" "${call_code}")
include(${incfile})
file(REMOVE "${incfile}")
else()
cmake_language(EVAL CODE "${call_code}")
endif()
endfunction()
while(1)
qtConfHasNextCommandlineArg(has_next)
if(NOT has_next)
break()
endif()
qtConfGetNextCommandlineArg(arg)
set(handled FALSE)
foreach(func ${commandline_custom_handlers})
qt_call_function("qt_commandline_${func}" handled "${arg}")
if(handled)
break()
endif()
endforeach()
if(handled)
continue()
endif()
if(arg MATCHES "^([A-Z0-9_]+)=(.*)")
set(lhs "${CMAKE_MATCH_1}")
set(rhs "${CMAKE_MATCH_2}")
math(EXPR n "${commandline_nr_of_assignments} - 1")
foreach(i RANGE ${n})
list(GET commandline_assignment_${i} 0 var)
list(GET commandline_assignment_${i} 1 internal_var)
if(lhs STREQUAL var)
set(handled TRUE)
qtConfCommandlineSetInput("${internal_var}" "${rhs}")
break()
endif()
endforeach()
if(NOT handled)
message(FATAL_ERROR "Assigning unknown variable '${lhs}' on command line.")
endif()
endif()
if(handled)
continue()
endif()
# parse out opt and val
set(nextok FALSE)
if(arg MATCHES "^--?enable-(.*)")
set(opt "${CMAKE_MATCH_1}")
set(val "yes")
elseif(arg MATCHES "^--?(disable|no)-(.*)")
set(opt "${CMAKE_MATCH_2}")
set(val "no")
elseif(arg MATCHES "^--([^=]+)=(.*)")
set(opt "${CMAKE_MATCH_1}")
set(val "${CMAKE_MATCH_2}")
elseif(arg MATCHES "^--(.*)")
set(opt "${CMAKE_MATCH_1}")
unset(val)
elseif(arg MATCHES "^-(.*)")
set(nextok TRUE)
set(opt "${CMAKE_MATCH_1}")
unset(val)
if(NOT DEFINED commandline_option_${opt} AND opt MATCHES "(qt|system)-(.*)")
set(opt "${CMAKE_MATCH_2}")
set(val "${CMAKE_MATCH_1}")
message("opt: ${opt} val: ${val}")
endif()
else()
qtConfAddError("Invalid command line parameter '${arg}'.")
endif()
set(type ${commandline_option_${opt}})
if("${type}" STREQUAL "")
# No match in the regular options, try matching the prefixes
math(EXPR n "${commandline_nr_of_prefixes} - 1")
foreach(i RANGE ${n})
list(GET commandline_prefix_${i} 0 pfx)
if(arg MATCHES "^-${pfx}(.*)")
list(GET commandline_prefix_${i} 1 opt)
set(val "${CMAKE_MATCH_1}")
set(type addString)
break()
endif()
endforeach()
endif()
# Handle builtin [-no]-feature-xxx
if("${type}" STREQUAL "" AND opt MATCHES "^feature-(.*)")
set(opt "${CMAKE_MATCH_1}")
if(NOT opt IN_LIST commandline_known_features)
qtConfAddError("Enabling/Disabling unknown feature '${opt}'.")
endif()
set(type boolean)
endif()
if("${type}" STREQUAL "")
qtConfAddError("Unknown command line option '${arg}'.")
endif()
if(NOT COMMAND "qt_commandline_${type}")
qtConfAddError("Unknown type '${type}' for command line option '${opt}'.")
endif()
qt_call_function("qt_commandline_${type}" "${opt}" "${val}" "${nextok}")
endwhile()
####################################################################################################
# Translate some of the INPUT_xxx values to CMake arguments
####################################################################################################
# Turn the global properties into proper variables
get_property(config_inputs GLOBAL PROPERTY CONFIG_INPUTS)
list(REMOVE_DUPLICATES config_inputs)
foreach(var ${config_inputs})
get_property(INPUT_${var} GLOBAL PROPERTY INPUT_${var})
endforeach()
macro(drop_input name)
list(REMOVE_ITEM config_inputs ${name})
endmacro()
macro(translate_boolean_input name cmake_var)
if("${INPUT_${name}}" STREQUAL "yes")
push("-D${cmake_var}=ON")
drop_input(${name})
elseif("${INPUT_${name}}" STREQUAL "no")
push("-D${cmake_var}=OFF")
drop_input(${name})
endif()
endmacro()
macro(translate_string_input name cmake_var)
if(DEFINED INPUT_${name})
push("-D${cmake_var}=${INPUT_${name}}")
drop_input(${name})
endif()
endmacro()
macro(translate_path_input name cmake_var)
if(DEFINED INPUT_${name})
set(path "${INPUT_${name}}")
string(REGEX REPLACE "^\"(.*)\"$" "\\1" path "${path}")
file(TO_CMAKE_PATH "${path}" path)
push("-D${cmake_var}=${path}")
drop_input(${name})
endif()
endmacro()
macro(translate_list_input name cmake_var)
if(DEFINED INPUT_${name})
list(JOIN INPUT_${name} "\\;" value)
list(APPEND cmake_args "-D${cmake_var}=${value}")
drop_input(${name})
endif()
endmacro()
translate_boolean_input(precompile_header BUILD_WITH_PCH)
translate_boolean_input(ccache QT_USE_CCACHE)
translate_boolean_input(shared BUILD_SHARED_LIBS)
translate_string_input(qt_namespace QT_NAMESPACE)
translate_string_input(qreal QT_COORD_TYPE)
translate_path_input(prefix CMAKE_INSTALL_PREFIX)
translate_path_input(extprefix CMAKE_STAGING_PREFIX)
foreach(kind bin lib archdata libexec qml data doc translation sysconf examples tests)
string(TOUPPER ${kind} uc_kind)
translate_path_input(${kind}dir INSTALL_${uc_kind}DIR)
endforeach()
translate_path_input(headerdir INSTALL_INCLUDEDIR)
translate_path_input(plugindir INSTALL_PLUGINSDIR)
if(NOT "${INPUT_device}" STREQUAL "")
push("-DQT_QMAKE_TARGET_MKSPEC=devices/${INPUT_device}")
drop_input(device)
endif()
translate_string_input(platform QT_QMAKE_TARGET_MKSPEC)
translate_string_input(xplatform QT_QMAKE_TARGET_MKSPEC)
translate_string_input(qpa_default_platform QT_QPA_DEFAULT_PLATFORM)
drop_input(make)
drop_input(nomake)
set(build_parts libs tests examples tools ${INPUT_make})
list(REMOVE_DUPLICATES build_parts)
foreach(part ${INPUT_nomake})
list(REMOVE_ITEM build_parts ${part})
endforeach()
if("tests" IN_LIST build_parts)
push("-DBUILD_TESTING=ON")
else()
push("-DBUILD_TESTING=OFF")
endif()
if("examples" IN_LIST build_parts)
push("-DBUILD_EXAMPLES=ON")
else()
push("-DBUILD_EXAMPLES=OFF")
endif()
if(NOT "tools" IN_LIST build_parts)
qtConfAddWarning("'-nomake tools' is not implemented yet.")
endif()
drop_input(debug)
drop_input(release)
drop_input(debug_and_release)
drop_input(force_debug_info)
unset(build_configs)
if(INPUT_debug)
set(build_configs Debug)
elseif("${INPUT_debug}" STREQUAL "no")
set(build_configs Release)
elseif(INPUT_debug_and_release)
set(build_configs Debug Release)
endif()
if(INPUT_force_debug_info)
list(TRANSFORM build_configs REPLACE "^Release$" "RelWithDebInfo")
endif()
list(LENGTH build_configs nr_of_build_configs)
if(nr_of_build_configs EQUAL 1)
push("-DCMAKE_BUILD_TYPE=${build_configs}")
elseif(nr_of_build_configs GREATER 1)
set(multi_config ON)
string(REPLACE ";" "\\;" escaped_build_configs "${build_configs}")
# We must not use the push macro here to avoid variable expansion.
# That would destroy our escaping.
list(APPEND cmake_args "-DCMAKE_CONFIGURATION_TYPES=${escaped_build_configs}")
endif()
translate_list_input(device-option QT_QMAKE_DEVICE_OPTIONS)
translate_list_input(defines QT_EXTRA_DEFINES)
translate_list_input(fpaths QT_EXTRA_FRAMEWORKPATHS)
translate_list_input(includes QT_EXTRA_INCLUDEPATHS)
translate_list_input(lpaths QT_EXTRA_LIBDIRS)
translate_list_input(rpaths QT_EXTRA_RPATHS)
foreach(feature ${commandline_known_features})
qt_feature_normalize_name("${feature}" cmake_feature)
if(${feature} IN_LIST config_inputs)
translate_boolean_input(${feature} FEATURE_${cmake_feature})
endif()
endforeach()
foreach(input ${config_inputs})
push("-DINPUT_${input}=${INPUT_${input}}")
endforeach()
if(NOT generator AND auto_detect_generator)
find_program(ninja ninja)
if(ninja)
set(generator Ninja)
if(multi_config)
string(APPEND generator " Multi-Config")
endif()
else()
if(CMAKE_HOST_UNIX)
set(generator "Unix Makefiles")
elseif(CMAKE_HOST_WINDOWS)
find_program(msvc_compiler cl.exe)
if(msvc_compiler)
set(generator "NMake Makefiles")
find_program(jom jom)
if(jom)
string(APPEND generator " JOM")
endif()
else()
set(generator "MinGW Makefiles")
endif()
endif()
endif()
endif()
if(generator)
push(-G "${generator}")
endif()
push("${MODULE_ROOT}")
execute_process(COMMAND "${CMAKE_COMMAND}" ${cmake_args}
COMMAND_ECHO STDOUT
RESULT_VARIABLE exit_code)
if(NOT exit_code EQUAL 0)
message(FATAL_ERROR "CMake exited with code ${exit_code}.")
endif()