cmake/TemporaryDirectory.cmake

   1 function(TEMPORARY_DIRECTORY)
   2   if(NOT DEFINED TEMPORARY_DIRECTORY)
   3     if(DEFINED ENV{TMPDIR})
   4       set(TEMPORARY_DIRECTORY $ENV{TMPDIR})
   5     elseif(DEFINED ENV{TEMP})
   6       set(TEMPORARY_DIRECTORY $ENV{TEMP})
   7     elseif(DEFINED ENV{TMP})
   8       set(TEMPORARY_DIRECTORY $ENV{TMP})
   9     endif()
  10   endif()
  11   if(NOT DEFINED TEMPORARY_DIRECTORY)
  12     find_program(MKTEMP NAMES mktemp)
  13     if(EXISTS "${MKTEMP}")
  14       execute_process(COMMAND ${MKTEMP} -d OUTPUT_STRIP_TRAILING_WHITESPACE OUTPUT_VARIABLE dir RESULT_VARIABLE result)
  15       if(result EQUAL 0)
  16         get_filename_component(TEMPORARY_DIRECTORY "${dir}" DIRECTORY)
  17       endif()
  18     endif()
  19   endif()
  20   if(DEFINED TEMPORARY_DIRECTORY)
  21     set(TEMPORARY_DIRECTORY ${TEMPORARY_DIRECTORY} CACHE PATH "Path to system temporary directory.")
  22   endif()
  23 endfunction()
  24 if(NOT DEFINED TEMPORARY_DIRECTORY)
  25   TEMPORARY_DIRECTORY()
  26 endif()