kc3-lang/gnulib/m4/remove.m4

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• Hash : 32a72f45
  Author :
  Date : 2023-01-01T01:14:21
  

  maint: run 'make update-copyright'
  

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• m4/remove.m4

• # remove.m4 serial 5
  dnl Copyright (C) 2009-2023 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_REMOVE],
  [
    AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
    AC_REQUIRE([gl_STDIO_H_DEFAULTS])
    AC_REQUIRE([gl_FUNC_RMDIR])
    AC_REQUIRE([gl_FUNC_UNLINK])
    if { case "$gl_cv_func_rmdir_works:$gl_cv_func_unlink_honors_slashes" in
           *yes:*yes) false;;
           *) true;;
         esac
       }; then
      dnl If either underlying syscall is broken, then remove likely has
      dnl the same bug; blindly use our replacement.
      REPLACE_REMOVE=1
    else
      dnl C89 requires remove(), but only POSIX requires it to handle
      dnl directories.  On mingw, directories fails with EPERM.
      AC_CACHE_CHECK([whether remove handles directories],
        [gl_cv_func_remove_dir_works],
        [mkdir conftest.dir
         AC_RUN_IFELSE(
           [AC_LANG_PROGRAM(
             [[#include <stdio.h>
  ]], [[return remove ("conftest.dir");]])],
           [gl_cv_func_remove_dir_works=yes], [gl_cv_func_remove_dir_works=no],
           [case $host_os in
              mingw*) gl_cv_func_remove_dir_works="guessing no";;
              *) gl_cv_func_remove_dir_works="guessing yes";;
            esac])
         rm -rf conftest.dir])
      case $gl_cv_func_remove_dir_works in
        *no*) REPLACE_REMOVE=1;;
      esac
    fi
  ])
  

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