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# Copyright (C) 2024 The Qt Company Ltd.
# SPDX-License-Identifier: BSD-3-Clause
# These are functions aim to create cmake files with configuration needed by GnGen
# * gn_config_target.cmake
# * gn_config_c.cmake
# * gn_config_cxx.cmake
# * gn_static.cmake
function(get_config_filenames c_config cxx_config static_config target_config)
set(${target_config} gn_config_target.cmake PARENT_SCOPE)
set(${cxx_config} gn_config_cxx.cmake PARENT_SCOPE)
set(${c_config} gn_config_c.cmake PARENT_SCOPE)
set(${static_config} gn_static.cmake PARENT_SCOPE)
endfunction()
function(create_cxx_configs cmake_target arch)
get_config_filenames(c_config_file_name cxx_config_file_name static_config_file_name target_config_file_name)
create_c_config(${cmake_target} ${arch} ${c_config_file_name})
create_cxx_config(${cmake_target} ${arch} ${cxx_config_file_name})
create_static_config(${cmake_target} ${arch} ${static_config_file_name})
endfunction()
function(create_cxx_config cmake_target arch config_file_name)
if(NOT QT_SUPERBUILD AND QT_WILL_INSTALL)
get_target_property(moc_file_path Qt6::moc IMPORTED_LOCATION)
else()
if(CMAKE_CROSSCOMPILING)
set(moc_file_path "${QT_HOST_PATH}/${INSTALL_LIBEXECDIR}/moc${CMAKE_EXECUTABLE_SUFFIX}")
else()
set(moc_file_path "${QT_BUILD_DIR}/${INSTALL_LIBEXECDIR}/moc${CMAKE_EXECUTABLE_SUFFIX}")
endif()
endif()
file(GENERATE
OUTPUT $<CONFIG>/${arch}/${config_file_name}
CONTENT "\
set(GN_INCLUDES \"$<TARGET_PROPERTY:INCLUDE_DIRECTORIES>\")\n\
set(GN_DEFINES \"$<TARGET_PROPERTY:COMPILE_DEFINITIONS>\")\n\
set(GN_LINK_OPTIONS \"$<TARGET_PROPERTY:LINK_OPTIONS>\")\n\
set(GN_CXX_COMPILE_OPTIONS \"$<TARGET_PROPERTY:COMPILE_OPTIONS>\")\n\
set(GN_MOC_PATH \"${moc_file_path}\")"
# set(GN_LIBS $<TARGET_PROPERTY:LINK_LIBRARIES>)
CONDITION $<COMPILE_LANGUAGE:CXX>
TARGET ${cmake_target}
)
endfunction()
function(create_static_config cmake_target arch config_file_name)
list(APPEND libs Png Jpeg Harfbuzz Freetype Zlib)
foreach(lib IN LISTS libs)
string(TOUPPER ${lib} out)
set(lib Qt::${lib}Private)
list(APPEND contents "set(GN_${out}_INCLUDES \"$<$<STREQUAL:$<TARGET_NAME_IF_EXISTS:${lib}>,${lib}>:$<TARGET_PROPERTY:${lib},INTERFACE_INCLUDE_DIRECTORIES>>\")")
endforeach()
list(JOIN contents "\n" contents)
file(GENERATE
OUTPUT $<CONFIG>/${arch}/${config_file_name}
CONTENT "${contents}"
)
endfunction()
function(create_c_config cmake_target arch config_file_name)
file(GENERATE
OUTPUT $<CONFIG>/${arch}/${config_file_name}
CONTENT "set(GN_C_COMPILE_OPTIONS $<TARGET_PROPERTY:COMPILE_OPTIONS>)"
CONDITION $<COMPILE_LANGUAGE:C>
TARGET ${cmake_target})
endfunction()
function(create_gn_target_config target config_file_name)
get_target_property(element_list ${target} ELEMENTS)
get_target_property(prefix ${target} PREFIX)
file(WRITE ${config_file_name}
"set(PREFIX ${prefix})\nset(ELEMENTS ${element_list})\n"
)
foreach(element IN LISTS element_list)
get_target_property(prop ${target} ${prefix}_${element})
if(prop)
file(APPEND ${config_file_name} "set(${prefix}_${element} ${prop})\n")
endif()
endforeach()
endfunction()
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