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# CMake implementation of AutoGen
# Copyright (C) 2017 Anonymous Maarten <anonymous.maarten@gmail.com>
set(AUTOGEN_SCRIPT "${CMAKE_MODULE_PATH}/CMakeAutoGenScript.cmake")
function(lsf_autogen DIR_REL NAME_WE)
set(EXTS ${ARGN})
set(INPUT "${CMAKE_CURRENT_SOURCE_DIR}/${DIR_REL}/${NAME_WE}.def")
set(OUTPUTS)
foreach(EXT ${EXTS})
list(APPEND OUTPUTS "${NAME_WE}.${EXT}")
endforeach()
add_autogen_target("${INPUT}" "${CMAKE_CURRENT_BINARY_DIR}/${DIR_REL}" ${OUTPUTS})
endfunction()
function(add_autogen_target INPUT OUTPUTDIR)
set(OUTPUTFILES "${ARGN}")
if (OUTPUTDIR)
set(PREFIX "${OUTPUTDIR}/")
else()
set(PREFIX "")
endif()
set(ARTIFACTS)
foreach(OUTPUTFILE ${OUTPUTFILES})
list(APPEND ARTIFACTS "${PREFIX}${OUTPUTFILE}")
endforeach()
set(EXTRA_ARGS)
if (AUTOGEN_DEBUG)
list(APPEND EXTRA_ARGS "-DDEBUG=1")
endif()
if (OUTPUTDIR)
list(APPEND EXTRA_ARGS "-DOUTPUTDIR=${OUTPUTDIR}")
endif()
add_custom_command(
OUTPUT ${ARTIFACTS}
COMMAND ${CMAKE_COMMAND} "-DDEFINITION=${INPUT}" ${EXTRA_ARGS} -P "${AUTOGEN_SCRIPT}"
MAIN_DEPENDENCY "${INPUT}"
DEPENDS "${AUTOGEN_SCRIPT}"
COMMENT "CMakeAutoGen: generating ${OUTPUTFILES}"
WORKING_DIRECTORY "${CMAKE_BINARY_DIR}"
)
endfunction()
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