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      1 # canonicalize.m4 serial 2 (gettext-0.13)
      2 dnl Copyright (C) 2003 Free Software Foundation, Inc.
      3 dnl This file is free software; the Free Software Foundation
      4 dnl gives unlimited permission to copy and/or distribute it,
      5 dnl with or without modifications, as long as this notice is preserved.
      6 
      7 AC_DEFUN([gl_CANONICALIZE],
      8 [
      9   dnl Do this replacement check manually because the file name is shorter
     10   dnl than the function name.
     11   AC_CHECK_FUNCS(canonicalize_file_name)
     12   if test $ac_cv_func_canonicalize_file_name = no; then
     13     AC_LIBOBJ(canonicalize)
     14     AC_DEFINE([realpath], [rpl_realpath],
     15       [Define to a replacement function name for realpath().])
     16     gl_PREREQ_CANONICALIZE
     17   fi
     18 ])
     19 
     20 # Prerequisites of lib/canonicalize.c.
     21 AC_DEFUN([gl_PREREQ_CANONICALIZE],
     22 [
     23   AC_CHECK_HEADERS_ONCE(sys/param.h unistd.h)
     24   AC_CHECK_FUNCS(getcwd readlink)
     25 ])
     26