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find_package(Erlang REQUIRED)
macro(erl_target name)
parse_arguments(ARGS "HEADERS;OPTIONS" "" ${ARGN})
set(headers "")
set(out_files "")
foreach(header ${ARGS_HEADERS})
list(APPEND headers "${CMAKE_CURRENT_SOURCE_DIR}/${header}")
endforeach(header ${ARGS_HEADERS})
set(before "")
foreach(src ${ARGS_DEFAULT_ARGS})
if(src STREQUAL "BEFORE")
set(before ${out_files})
else(src STREQUAL "BEFORE")
set(in_file "${CMAKE_CURRENT_SOURCE_DIR}/${src}")
string(REPLACE ".erl" ".beam" src ${src})
set(out_file "${CMAKE_CURRENT_BINARY_DIR}/${src}")
add_custom_command(
OUTPUT
${out_file}
COMMAND
${ERLC_EXECUTABLE}
"-o" ${CMAKE_CURRENT_BINARY_DIR}
"-pz" ${CMAKE_CURRENT_BINARY_DIR}
${ARGS_OPTIONS}
${in_file}
DEPENDS
${in_file}
${headers}
${before}
)
list(APPEND out_files "${CMAKE_CURRENT_BINARY_DIR}/${src}")
endif(src STREQUAL "BEFORE")
endforeach(src ${ARGS_DEFAULT_ARGS})
add_custom_target(
${name} ALL DEPENDS ${out_files}
)
endmacro(erl_target)
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