| 1 | # rmdir.m4 serial 13 |
| 2 | dnl Copyright (C) 2002, 2005, 2009-2014 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_FUNC_RMDIR], |
| 8 | [ |
| 9 | AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) |
| 10 | AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles |
| 11 | dnl Detect cygwin 1.5.x bug. |
| 12 | AC_CHECK_HEADERS_ONCE([unistd.h]) |
| 13 | AC_CACHE_CHECK([whether rmdir works], [gl_cv_func_rmdir_works], |
| 14 | [mkdir conftest.dir |
| 15 | touch conftest.file |
| 16 | AC_RUN_IFELSE( |
| 17 | [AC_LANG_PROGRAM( |
| 18 | [[#include <stdio.h> |
| 19 | #include <errno.h> |
| 20 | #if HAVE_UNISTD_H |
| 21 | # include <unistd.h> |
| 22 | #else /* on Windows with MSVC */ |
| 23 | # include <direct.h> |
| 24 | #endif |
| 25 | ]], [[int result = 0; |
| 26 | if (!rmdir ("conftest.file/")) |
| 27 | result |= 1; |
| 28 | else if (errno != ENOTDIR) |
| 29 | result |= 2; |
| 30 | if (!rmdir ("conftest.dir/./")) |
| 31 | result |= 4; |
| 32 | return result; |
| 33 | ]])], |
| 34 | [gl_cv_func_rmdir_works=yes], [gl_cv_func_rmdir_works=no], |
| 35 | [case "$host_os" in |
| 36 | # Guess yes on glibc systems. |
| 37 | *-gnu*) gl_cv_func_rmdir_works="guessing yes" ;; |
| 38 | # If we don't know, assume the worst. |
| 39 | *) gl_cv_func_rmdir_works="guessing no" ;; |
| 40 | esac |
| 41 | ]) |
| 42 | rm -rf conftest.dir conftest.file]) |
| 43 | case "$gl_cv_func_rmdir_works" in |
| 44 | *yes) ;; |
| 45 | *) |
| 46 | REPLACE_RMDIR=1 |
| 47 | ;; |
| 48 | esac |
| 49 | ]) |