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include(VariableList)
function( configure_file_buildtime filename out_filename )
set( regex_1 "^[^@]*(@[^@]+@[^@]*)+[^@]*$")
file ( STRINGS "${filename}" results REGEX "${regex_1}" )
set( vars "" )
foreach( line ${results})
set( regex_2 "^[^@]*@([^@]+)@(.*)$" )
string( REGEX MATCH "${regex_2}" line_match "${line}" )
list( APPEND vars ${CMAKE_MATCH_1} )
while( CMAKE_MATCH_1 )
string( REGEX MATCH "${regex_2}" line_match "${CMAKE_MATCH_2}" )
list( APPEND vars ${CMAKE_MATCH_1} )
endwhile()
list( SORT vars )
list( REMOVE_DUPLICATES vars )
endforeach()
set( CONFIGUREBUILDTIME_filename ${filename} )
set( CONFIGUREBUILDTIME_out_filename ${out_filename} )
list( APPEND vars CONFIGUREBUILDTIME_filename CONFIGUREBUILDTIME_out_filename )
VariableListToArgs( vars configure_vars )
file( WRITE "${CMAKE_BINARY_DIR}/CMake/configure_file_buildtime.cmake"
"configure_file( \"\${CONFIGUREBUILDTIME_filename}\" \"\${CONFIGUREBUILDTIME_out_filename}\" )" )
set( cmd ${CMAKE_COMMAND} "${configure_vars}" -P "${CMAKE_BINARY_DIR}/CMake/configure_file_buildtime.cmake")
if( TARGET ConfigureFileBuildtime )
add_custom_command( TARGET ConfigureFileBuildtime
PRE_BUILD
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
COMMENT "BuildTime Configuration of ${filename} to ${out_filename}"
COMMAND ${cmd}
)
else()
add_custom_command(
OUTPUT "${out_filename}"
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
DEPENDS "${filename}"
COMMENT "BuildTime Configuration of ${filename} to ${out_filename}"
COMMAND ${cmd}
)
add_custom_target(ConfigureFileBuildtime ALL DEPENDS "${out_filename}" )
endif()
endfunction()
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