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Elixir Cross Referencer

# SPDX-License-Identifier: Apache-2.0

# Merges a list of files into a destination file.
# Usage: list of files as arguments, first argument is the destination file

MATH(EXPR ARGC "${CMAKE_ARGC}-1")
# First 3 arguments are "cmake", "-P", and "process.cmake"
if( ${CMAKE_ARGC} LESS 5)
  message(FATAL_ERROR "Not enough arguments")
endif()

set(DEST_FILE ${CMAKE_ARGV3})
# Empty the file
file(REMOVE ${DEST_FILE})

foreach(i RANGE 4 ${ARGC})
  file(READ ${CMAKE_ARGV${i}} BUF)
  file(APPEND ${DEST_FILE} ${BUF})
endforeach()