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# Wraps install() command. In a prefix build, simply passes along arguments to install().
# In a non-prefix build, handles association of targets to export names, and also calls export().
function(qt_install)
set(flags)
set(options EXPORT DESTINATION NAMESPACE)
set(multiopts TARGETS)
cmake_parse_arguments(arg "${flags}" "${options}" "${multiopts}" ${ARGN})
if(arg_TARGETS)
set(is_install_targets TRUE)
endif()
# In a prefix build, always invoke install() without modification.
# In a non-prefix build, pass install(TARGETS) commands to allow
# association of targets to export names, so we can later use the export names
# in export() commands.
if(QT_WILL_INSTALL OR is_install_targets)
install(${ARGV})
endif()
# Exit early if this is a prefix build.
if(QT_WILL_INSTALL)
return()
endif()
# In a non-prefix build, when install(EXPORT) is called,
# also call export(EXPORT) to generate build tree target files.
if(NOT is_install_targets AND arg_EXPORT)
set(namespace_option "")
if(arg_NAMESPACE)
set(namespace_option NAMESPACE ${arg_NAMESPACE})
endif()
export(EXPORT ${arg_EXPORT}
${namespace_option}
FILE "${arg_DESTINATION}/${arg_EXPORT}.cmake")
endif()
endfunction()
# Copies files using file(COPY) signature in non-prefix builds.
function(qt_non_prefix_copy)
if(NOT QT_WILL_INSTALL)
file(${ARGV})
endif()
endfunction()
# Retrieve the permissions that are set by install(PROGRAMS).
function(qt_get_install_executable_permissions out_var)
set(default_permissions ${CMAKE_INSTALL_DEFAULT_DIRECTORY_PERMISSIONS})
if(NOT default_permissions)
set(default_permissions OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ)
endif()
set(executable_permissions ${default_permissions} OWNER_EXECUTE)
if(GROUP_READ IN_LIST default_permissions)
list(APPEND executable_permissions GROUP_EXECUTE)
endif()
if(WORLD_READ IN_LIST default_permissions)
list(APPEND executable_permissions WORLD_EXECUTE)
endif()
set(${out_var} ${executable_permissions} PARENT_SCOPE)
endfunction()
# Use case is installing files in a prefix build, or copying them to the correct build dir
# in a non-prefix build.
# Pass along arguments as you would pass them to install().
# Only supports FILES, PROGRAMS and DIRECTORY signature, and without fancy things
# like OPTIONAL or RENAME or COMPONENT.
function(qt_copy_or_install)
set(flags FILES PROGRAMS DIRECTORY)
set(options)
set(multiopts)
cmake_parse_arguments(arg "${flags}" "${options}" "${multiopts}" ${ARGN})
# Remember which option has to be passed to the install command.
set(copy_arguments "")
set(argv_copy ${ARGV})
if(arg_FILES)
set(install_option "FILES")
elseif(arg_PROGRAMS)
set(install_option "PROGRAMS")
qt_get_install_executable_permissions(executable_permissions)
list(APPEND copy_arguments FILE_PERMISSIONS ${executable_permissions})
elseif(arg_DIRECTORY)
set(install_option "DIRECTORY")
endif()
list(REMOVE_AT argv_copy 0)
qt_install(${install_option} ${argv_copy})
qt_non_prefix_copy(COPY ${argv_copy} ${copy_arguments})
endfunction()
# Hacky way to remove the install target in non-prefix builds.
# We need to associate targets with export names, and that is only possible to do with the
# install(TARGETS) command. But in a non-prefix build, we don't want to install anything.
# To make sure that developers don't accidentally run make install, replace the generated
# cmake_install.cmake file with an empty file. To do this, always create a new temporary file
# at CMake configuration step, and use it as an input to a custom command that replaces the
# cmake_install.cmake file with an empty one. This means we will always replace the file on
# every reconfiguration, but not when doing null builds.
function(qt_remove_install_target)
# On superbuilds we only do this for qtbase - it will correctly remove the
# cmake_install.cmake at the root of the repository.
if(QT_SUPERBUILD)
if(NOT (PROJECT_NAME STREQUAL "QtBase"))
return()
endif()
endif()
set(file_in "${CMAKE_BINARY_DIR}/.remove_cmake_install_in.txt")
set(file_generated "${CMAKE_BINARY_DIR}/.remove_cmake_install_generated.txt")
set(cmake_install_file "${CMAKE_BINARY_DIR}/cmake_install.cmake")
file(WRITE ${file_in} "")
add_custom_command(OUTPUT ${file_generated}
COMMAND ${CMAKE_COMMAND} -E copy ${file_in} ${file_generated}
COMMAND ${CMAKE_COMMAND} -E remove ${cmake_install_file}
COMMAND ${CMAKE_COMMAND} -E touch ${cmake_install_file}
COMMENT "Removing cmake_install.cmake"
MAIN_DEPENDENCY ${file_in})
add_custom_target(remove_cmake_install ALL DEPENDS ${file_generated})
endfunction()
function(qt_set_up_nonprefix_build)
if(NOT QT_WILL_INSTALL)
qt_remove_install_target()
endif()
endfunction()
# Create a versioned hard-link for the given target.
# E.g. "bin/qmake6" -> "bin/qmake".
# If no hard link can be created, make a copy instead.
#
# In a multi-config build, create the link for the main config only.
function(qt_internal_install_versioned_link install_dir target)
if(NOT QT_WILL_INSTALL)
return()
endif()
qt_path_join(install_base_file_path "$ENV\{DESTDIR}$\{CMAKE_INSTALL_PREFIX}"
"${install_dir}" "$<TARGET_FILE_BASE_NAME:${target}>")
set(original "${install_base_file_path}$<TARGET_FILE_SUFFIX:${target}>")
set(linkname "${install_base_file_path}${PROJECT_VERSION_MAJOR}$<TARGET_FILE_SUFFIX:${target}>")
set(code
"message(STATUS \"Creating hard link ${original} -> ${linkname}\")"
"file(CREATE_LINK \"${original}\" \"${linkname}\" COPY_ON_ERROR)")
if(QT_GENERATOR_IS_MULTI_CONFIG)
# Wrap the code in a configuration check,
# because install(CODE) does not support a CONFIGURATIONS argument.
qt_create_case_insensitive_regex(main_config_regex ${QT_MULTI_CONFIG_FIRST_CONFIG})
list(PREPEND code "if(\"\${CMAKE_INSTALL_CONFIG_NAME}\" MATCHES \"${main_config_regex}\")")
list(APPEND code "endif()")
endif()
list(JOIN code "\n" code)
install(CODE "${code}")
endfunction()
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