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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: BSD-3-Clause
# This function wraps COMMAND with cmake script, that makes possible standalone run with external
# arguments.
#
# Generated wrapper will be written to OUTPUT_FILE.
# If WORKING_DIRECTORY is not set COMMAND will be executed in CMAKE_CURRENT_BINARY_DIR.
# Variables from ENVIRONMENT will be set before COMMAND execution.
# PRE_RUN and POST_RUN arguments may contain extra cmake code that supposed to be executed before
# and after COMMAND, respectively. Both arguments accept a list of cmake script language
# constructions. Each item of the list will be concantinated into single string with '\n' separator.
# COMMAND_ECHO option takes a value like it does for execute_process, and passes that value to
# execute_process.
function(_qt_internal_create_command_script)
#This style of parsing keeps ';' in ENVIRONMENT variables
cmake_parse_arguments(PARSE_ARGV 0 arg
""
"OUTPUT_FILE;WORKING_DIRECTORY;COMMAND_ECHO"
"COMMAND;ENVIRONMENT;PRE_RUN;POST_RUN"
)
if(NOT arg_COMMAND)
message(FATAL_ERROR "qt_internal_create_command_script: COMMAND is not specified")
endif()
if(NOT arg_OUTPUT_FILE)
message(FATAL_ERROR "qt_internal_create_command_script: Wrapper OUTPUT_FILE\
is not specified")
endif()
if(NOT arg_WORKING_DIRECTORY AND NOT QNX)
set(arg_WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}")
endif()
set(environment_extras)
set(skipNext false)
if(arg_ENVIRONMENT)
list(LENGTH arg_ENVIRONMENT length)
math(EXPR length "${length} - 1")
foreach(envIdx RANGE ${length})
if(skipNext)
set(skipNext FALSE)
continue()
endif()
set(envVariable "")
set(envValue "")
list(GET arg_ENVIRONMENT ${envIdx} envVariable)
math(EXPR envIdx "${envIdx} + 1")
if (envIdx LESS_EQUAL ${length})
list(GET arg_ENVIRONMENT ${envIdx} envValue)
endif()
if(NOT "${envVariable}" STREQUAL "")
set(environment_extras "${environment_extras}\nset(ENV{${envVariable}} \
\"${envValue}\")")
endif()
set(skipNext TRUE)
endforeach()
endif()
#Escaping environment variables before expand them by file GENERATE
string(REPLACE "\\" "\\\\" environment_extras "${environment_extras}")
if(WIN32)
# It's necessary to call actual test inside 'cmd.exe', because 'execute_process' uses
# SW_HIDE to avoid showing a console window, it affects other GUI as well.
# See https://gitlab.kitware.com/cmake/cmake/-/issues/17690 for details.
set(extra_runner "cmd /c")
endif()
if(arg_PRE_RUN)
string(JOIN "\n" pre_run ${arg_PRE_RUN})
endif()
if(arg_POST_RUN)
string(JOIN "\n" post_run ${arg_POST_RUN})
endif()
set(command_echo "")
if(arg_COMMAND_ECHO)
set(command_echo "COMMAND_ECHO ${arg_COMMAND_ECHO}")
endif()
file(GENERATE OUTPUT "${arg_OUTPUT_FILE}" CONTENT
"#!${CMAKE_COMMAND} -P
# Qt generated command wrapper
${environment_extras}
${pre_run}
execute_process(COMMAND ${extra_runner} ${arg_COMMAND}
WORKING_DIRECTORY \"${arg_WORKING_DIRECTORY}\"
${command_echo}
RESULT_VARIABLE result
)
${post_run}
if(NOT result EQUAL 0)
string(JOIN \" \" full_command ${arg_COMMAND})
message(FATAL_ERROR \"\${full_command} execution failed with exit code \${result}.\")
endif()"
)
endfunction()
function(_qt_internal_test_batch_target_name out)
set(${out} "test_batch" PARENT_SCOPE)
endfunction()
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