File: readlink.m4

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# readlink.m4 serial 4
dnl Copyright (C) 2003, 2007 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.

AC_DEFUN([gl_FUNC_READLINK],
[
  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
  AC_CHECK_FUNCS_ONCE([readlink])
  if test $ac_cv_func_readlink = no; then
    HAVE_READLINK=0
    AC_LIBOBJ(readlink)
    gl_PREREQ_READLINK
  fi
])

# Like gl_FUNC_READLINK, except prepare for separate compilation (no AC_LIBOBJ).
AC_DEFUN([gl_FUNC_READLINK_SEPARATE],
[
  AC_CHECK_FUNCS_ONCE([readlink])
  gl_PREREQ_READLINK
])

# Prerequisites of lib/readlink.c.
AC_DEFUN([gl_PREREQ_READLINK],
[
  :
])