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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: BSD-3-Clause
# copy_if_different works incorrect in Windows if file size if bigger than 2GB.
# See https://gitlab.kitware.com/cmake/cmake/-/issues/23052 and QTBUG-99491 for details.
function(_qt_internal_copy_file_if_different_command out_var src_file dst_file)
# The CMake version higher than 3.23 doesn't contain the issue
if(CMAKE_HOST_WIN32 AND CMAKE_VERSION VERSION_LESS 3.23)
set(${out_var} "${CMAKE_COMMAND}"
"-DSRC_FILE_PATH=${src_file}"
"-DDST_FILE_PATH=${dst_file}"
-P "${_qt_6_config_cmake_dir}/QtCopyFileIfDifferent.cmake"
PARENT_SCOPE
)
else()
set(${out_var} "${CMAKE_COMMAND}"
-E copy_if_different
"${src_file}"
"${dst_file}"
PARENT_SCOPE
)
endif()
endfunction()
# The function checks if add_custom_command has the support of the DEPFILE argument.
function(_qt_internal_check_depfile_support out_var)
if(CMAKE_GENERATOR MATCHES "Ninja" OR
CMAKE_VERSION VERSION_GREATER_EQUAL 3.20 AND CMAKE_GENERATOR MATCHES "Makefiles"
OR CMAKE_VERSION VERSION_GREATER_EQUAL 3.21
AND (CMAKE_GENERATOR MATCHES "Xcode"
OR CMAKE_GENERATOR MATCHES "Visual Studio ([0-9]+)" AND CMAKE_MATCH_1 GREATER_EQUAL 12))
set(${out_var} TRUE)
else()
set(${out_var} FALSE)
endif()
set(${out_var} "${${out_var}}" PARENT_SCOPE)
endfunction()
# Collect additional package prefix paths to look for Qt packages, both from command line and the
# env variable ${prefixes_var}. The result is stored in ${out_var} and is a list of paths ending
# with "/lib/cmake".
function(__qt_internal_collect_additional_prefix_paths out_var prefixes_var)
if(DEFINED "${out_var}")
return()
endif()
set(additional_packages_prefix_paths "")
set(additional_packages_prefixes "")
if(${prefixes_var})
list(APPEND additional_packages_prefixes ${${prefixes_var}})
endif()
if(DEFINED ENV{${prefixes_var}}
AND NOT "$ENV{${prefixes_var}}" STREQUAL "")
set(prefixes_from_env "$ENV{${prefixes_var}}")
if(NOT CMAKE_HOST_WIN32)
string(REPLACE ":" ";" prefixes_from_env "${prefixes_from_env}")
endif()
list(APPEND additional_packages_prefixes ${prefixes_from_env})
endif()
foreach(additional_path IN LISTS additional_packages_prefixes)
file(TO_CMAKE_PATH "${additional_path}" additional_path)
# The prefix paths need to end with lib/cmake to ensure the packages are found when
# cross compiling. Search for REROOT_PATH_ISSUE_MARKER in the qt.toolchain.cmake file for
# details.
# We must pass the values via the PATHS options because the main find_package call uses
# NO_DEFAULT_PATH, and thus CMAKE_PREFIX_PATH values are discarded.
# CMAKE_FIND_ROOT_PATH values are not discarded and togegher with the PATHS option, it
# ensures packages from additional prefixes are found.
if(NOT additional_path MATCHES "/lib/cmake$")
string(APPEND additional_path "/lib/cmake")
endif()
list(APPEND additional_packages_prefix_paths "${additional_path}")
endforeach()
set("${out_var}" "${additional_packages_prefix_paths}" PARENT_SCOPE)
endfunction()
# Take a list of prefix paths ending with "/lib/cmake", and return a list of absolute paths with
# "/lib/cmake" removed.
function(__qt_internal_prefix_paths_to_roots out_var prefix_paths)
set(result "")
foreach(path IN LISTS prefix_paths)
if(path MATCHES "/lib/cmake$")
string(APPEND path "/../..")
endif()
get_filename_component(path "${path}" ABSOLUTE)
list(APPEND result "${path}")
endforeach()
set("${out_var}" "${result}" PARENT_SCOPE)
endfunction()
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