solidity/cmake/EthUtils.cmake
2017-08-23 17:25:29 +02:00

37 lines
935 B
CMake

#
# renames the file if it is different from its destination
include(CMakeParseArguments)
#
macro(replace_if_different SOURCE DST)
set(extra_macro_args ${ARGN})
set(options CREATE)
set(one_value_args)
set(multi_value_args)
cmake_parse_arguments(REPLACE_IF_DIFFERENT "${options}" "${one_value_args}" "${multi_value_args}" "${extra_macro_args}")
if (REPLACE_IF_DIFFERENT_CREATE AND (NOT (EXISTS "${DST}")))
file(WRITE "${DST}" "")
endif()
execute_process(COMMAND ${CMAKE_COMMAND} -E compare_files "${SOURCE}" "${DST}" RESULT_VARIABLE DIFFERENT OUTPUT_QUIET ERROR_QUIET)
if (DIFFERENT)
execute_process(COMMAND ${CMAKE_COMMAND} -E rename "${SOURCE}" "${DST}")
else()
execute_process(COMMAND ${CMAKE_COMMAND} -E remove "${SOURCE}")
endif()
endmacro()
macro(eth_default_option O DEF)
if (DEFINED ${O})
if (${${O}})
set(${O} ON)
else ()
set(${O} OFF)
endif()
else ()
set(${O} ${DEF})
endif()
endmacro()