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qt5base-lts/cmake/QtSyncQtHelpers.cmake
Alexey Edelev 928ffbd1e2 Use correct module include name across the project 
Module may have specific module include name that should be taken into
account when specifying module include directories in different places.
The INTERFACE_MODULE_INCLUDE_NAME module property name is aligned to
the common naming rules and the property is used to preform include
paths instead of the direct use of the module name.

Add additional paths generated by qt_internal_module_info to keep them
consistent across all cmake files.

Pick-to: 6.2
Change-Id: I4c94017abc322c48616f47e65e371bd863bb087d
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
2021-08-27 11:01:38 +02:00

200 lines
9.5 KiB
CMake
Raw Blame History

function(qt_ensure_perl)
if(DEFINED HOST_PERL)
return()
endif()
find_program(HOST_PERL "perl" DOC "Perl binary")
if (NOT HOST_PERL)
message(FATAL_ERROR "Perl needs to be available to build Qt.")
endif()
endfunction()
function(qt_ensure_sync_qt)
qt_ensure_perl()
if(DEFINED QT_SYNCQT)
return()
endif()
# When building qtbase, use the source syncqt, otherwise use the installed one.
set(SYNCQT_FROM_SOURCE "${QtBase_SOURCE_DIR}/libexec/syncqt.pl")
if(NOT ("${QtBase_SOURCE_DIR}" STREQUAL "") AND EXISTS "${SYNCQT_FROM_SOURCE}")
set(QT_SYNCQT "${SYNCQT_FROM_SOURCE}" CACHE FILEPATH "syncqt script")
message(STATUS "Using source syncqt found at: ${QT_SYNCQT}")
qt_path_join(syncqt_install_dir ${QT_INSTALL_DIR} ${INSTALL_LIBEXECDIR})
qt_copy_or_install(PROGRAMS "${SYNCQT_FROM_SOURCE}"
DESTINATION "${syncqt_install_dir}")
elseif(NOT "${QT_HOST_PATH}" STREQUAL "")
get_filename_component(syncqt_absolute_path
"${QT_HOST_PATH}/${QT${PROJECT_VERSION_MAJOR}_HOST_INFO_LIBEXECDIR}/syncqt.pl"
ABSOLUTE)
set(QT_SYNCQT "${syncqt_absolute_path}" CACHE FILEPATH "syncqt script")
message(STATUS "Using host syncqt found at: ${QT_SYNCQT}")
else()
get_filename_component(syncqt_absolute_path
"${QT_BUILD_INTERNALS_RELOCATABLE_INSTALL_PREFIX}/${INSTALL_LIBEXECDIR}/syncqt.pl"
ABSOLUTE)
set(QT_SYNCQT "${syncqt_absolute_path}" CACHE FILEPATH "syncqt script")
message(STATUS "Using installed syncqt found at: ${QT_SYNCQT}")
endif()
endfunction()
function(qt_install_injections target build_dir install_dir)
set(injections ${ARGN})
qt_internal_module_info(module ${target})
get_target_property(target_type ${target} TYPE)
if (target_type STREQUAL "INTERFACE_LIBRARY")
set(is_framework FALSE)
else()
get_target_property(is_framework ${target} FRAMEWORK)
endif()
# examples:
# SYNCQT.INJECTIONS = src/corelib/global/qconfig.h:qconfig.h:QtConfig src/corelib/global/qconfig_p.h:5.12.0/QtCore/private/qconfig_p.h
# SYNCQT.INJECTIONS = src/gui/vulkan/qvulkanfunctions.h:^qvulkanfunctions.h:QVulkanFunctions:QVulkanDeviceFunctions src/gui/vulkan/qvulkanfunctions_p.h:^5.12.0/QtGui/private/qvulkanfunctions_p.h
# The are 3 parts to the assignment, divded by colons ':'.
# The first part contains a path to a generated file in a build folder.
# The second part contains the file name that the forwarding header should have, which points
# to the file in the first part.
# The third part contains multiple UpperCaseFileNames that should be forwarding headers to the
# header specified in the second part.
separate_arguments(injections UNIX_COMMAND "${injections}")
foreach(injection ${injections})
string(REPLACE ":" ";" injection ${injection})
# Part 1.
list(GET injection 0 file)
# Part 2.
list(GET injection 1 destination)
string(REGEX REPLACE "^\\^" "" destination "${destination}")
list(REMOVE_AT injection 0 1)
# Part 3.
set(fwd_hdrs ${injection})
get_filename_component(destinationdir ${destination} DIRECTORY)
get_filename_component(destinationname ${destination} NAME)
get_filename_component(original_file_name ${file} NAME)
# This describes a concrete example for easier comprehension:
# A file 'qtqml-config.h' is generated by qt_internal_feature_write_file into
# ${qtdeclarative_build_dir}/src/{module_include_name}/qtqml-config.h (part 1).
#
# Generate a lower case forwarding header (part 2) 'qtqml-config.h' at the following
# location:
# ${some_prefix}/include/${module_include_name}/qtqml-config.h.
#
# Inside this file, we #include the originally generated file,
# ${qtdeclarative_build_dir}/src/{module_include_name}/qtqml-config.h.
#
# ${some_prefix}'s value depends on the build type.
# If doing a prefix build, it should point to
# ${current_repo_build_dir} which is ${qtdeclarative_build_dir}.
# If doing a non-prefix build, it should point to
# ${qtbase_build_dir}.
#
# In the code below, ${some_prefix} == ${build_dir}.
set(lower_case_forwarding_header_path "${build_dir}/include/${module_include_name}")
if(destinationdir)
string(APPEND lower_case_forwarding_header_path "/${destinationdir}")
endif()
set(current_repo_build_dir "${PROJECT_BINARY_DIR}")
file(RELATIVE_PATH relpath
"${lower_case_forwarding_header_path}"
"${current_repo_build_dir}/${file}")
set(main_contents "#include \"${relpath}\"")
qt_configure_file(OUTPUT "${lower_case_forwarding_header_path}/${original_file_name}"
CONTENT "${main_contents}")
if(is_framework)
if(file MATCHES "_p\\.h$")
set(header_type PRIVATE)
else()
set(header_type PUBLIC)
endif()
qt_copy_framework_headers(${target} ${header_type}
${current_repo_build_dir}/${file})
else()
# Copy the actual injected (generated) header file (not the just created forwarding one)
# to its install location when doing a prefix build. In an non-prefix build, the qt_install
# will be a no-op.
qt_path_join(install_destination
${install_dir} ${INSTALL_INCLUDEDIR}
${module_include_name} ${destinationdir})
qt_install(FILES ${current_repo_build_dir}/${file}
DESTINATION ${install_destination}
RENAME ${destinationname} OPTIONAL)
endif()
# Generate UpperCaseNamed forwarding headers (part 3).
foreach(fwd_hdr ${fwd_hdrs})
set(upper_case_forwarding_header_path "include/${module_include_name}")
if(destinationdir)
string(APPEND upper_case_forwarding_header_path "/${destinationdir}")
endif()
# Generate upper case forwarding header like QVulkanFunctions or QtConfig.
qt_configure_file(OUTPUT "${build_dir}/${upper_case_forwarding_header_path}/${fwd_hdr}"
CONTENT "#include \"${destinationname}\"\n")
if(is_framework)
# Copy the forwarding header to the framework's Headers directory.
qt_copy_framework_headers(${target} PUBLIC
"${build_dir}/${upper_case_forwarding_header_path}/${fwd_hdr}")
else()
# Install the forwarding header.
qt_path_join(install_destination "${install_dir}" "${INSTALL_INCLUDEDIR}"
${module_include_name})
qt_install(FILES "${build_dir}/${upper_case_forwarding_header_path}/${fwd_hdr}"
DESTINATION ${install_destination} OPTIONAL)
endif()
endforeach()
endforeach()
endfunction()
function(qt_read_headers_pri module_include_dir resultVarPrefix)
file(STRINGS "${module_include_dir}/headers.pri" headers_pri_contents)
foreach(line ${headers_pri_contents})
if("${line}" MATCHES "SYNCQT.HEADER_FILES = (.*)")
set(public_module_headers "${CMAKE_MATCH_1}")
separate_arguments(public_module_headers UNIX_COMMAND "${public_module_headers}")
elseif("${line}" MATCHES "SYNCQT.PRIVATE_HEADER_FILES = (.*)")
set(private_module_headers "${CMAKE_MATCH_1}")
separate_arguments(private_module_headers UNIX_COMMAND "${private_module_headers}")
elseif("${line}" MATCHES "SYNCQT.GENERATED_HEADER_FILES = (.*)")
set(generated_module_headers "${CMAKE_MATCH_1}")
separate_arguments(generated_module_headers UNIX_COMMAND "${generated_module_headers}")
foreach(generated_header ${generated_module_headers})
list(APPEND public_module_headers "${module_include_dir}/${generated_header}")
endforeach()
elseif("${line}" MATCHES "SYNCQT.INJECTIONS = (.*)")
set(injections "${CMAKE_MATCH_1}")
elseif("${line}" MATCHES "SYNCQT.([A-Z_]+)_HEADER_FILES = (.+)")
set(prefix "${CMAKE_MATCH_1}")
string(TOLOWER "${prefix}" prefix)
set(entries "${CMAKE_MATCH_2}")
separate_arguments(entries UNIX_COMMAND "${entries}")
set("${resultVarPrefix}_${prefix}" "${entries}" PARENT_SCOPE)
endif()
endforeach()
set(${resultVarPrefix}_public "${public_module_headers}" PARENT_SCOPE)
set(${resultVarPrefix}_private "${private_module_headers}" PARENT_SCOPE)
set(${resultVarPrefix}_injections "${injections}" PARENT_SCOPE)
endfunction()
function(qt_compute_injection_forwarding_header target)
qt_parse_all_arguments(arg "qt_compute_injection_forwarding_header"
"PRIVATE" "SOURCE;OUT_VAR" "" ${ARGN})
qt_internal_module_info(module "${target}")
get_filename_component(file_name "${arg_SOURCE}" NAME)
set(source_absolute_path "${CMAKE_CURRENT_BINARY_DIR}/${arg_SOURCE}")
file(RELATIVE_PATH relpath "${PROJECT_BINARY_DIR}" "${source_absolute_path}")
if (arg_PRIVATE)
set(fwd "${PROJECT_VERSION}/${module_include_name}/private/${file_name}")
else()
set(fwd "${file_name}")
endif()
string(APPEND ${arg_OUT_VAR} " ${relpath}:${fwd}")
set(${arg_OUT_VAR} ${${arg_OUT_VAR}} PARENT_SCOPE)
endfunction()
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