| # rmdir.m4 serial 18 |
| dnl Copyright (C) 2002, 2005, 2009-2021 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_RMDIR], |
| [ |
| AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) |
| AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles |
| dnl Detect cygwin 1.5.x bug. |
| AC_CHECK_HEADERS_ONCE([unistd.h]) |
| AC_CACHE_CHECK([whether rmdir works], [gl_cv_func_rmdir_works], |
| [mkdir conftest.dir |
| touch conftest.file |
| AC_RUN_IFELSE( |
| [AC_LANG_PROGRAM( |
| [[#include <stdio.h> |
| #include <errno.h> |
| #if HAVE_UNISTD_H |
| # include <unistd.h> |
| #else /* on Windows with MSVC */ |
| # include <direct.h> |
| #endif |
| ]GL_MDA_DEFINES], |
| [[int result = 0; |
| if (!rmdir ("conftest.file/")) |
| result |= 1; |
| else if (errno != ENOTDIR) |
| result |= 2; |
| if (!rmdir ("conftest.dir/./")) |
| result |= 4; |
| return result; |
| ]])], |
| [gl_cv_func_rmdir_works=yes], [gl_cv_func_rmdir_works=no], |
| [case "$host_os" in |
| # Guess yes on Linux systems. |
| linux-* | linux) gl_cv_func_rmdir_works="guessing yes" ;; |
| # Guess yes on glibc systems. |
| *-gnu* | gnu*) gl_cv_func_rmdir_works="guessing yes" ;; |
| # Guess no on native Windows. |
| mingw*) gl_cv_func_rmdir_works="guessing no" ;; |
| # If we don't know, obey --enable-cross-guesses. |
| *) gl_cv_func_rmdir_works="$gl_cross_guess_normal" ;; |
| esac |
| ]) |
| rm -rf conftest.dir conftest.file]) |
| case "$gl_cv_func_rmdir_works" in |
| *yes) ;; |
| *) |
| REPLACE_RMDIR=1 |
| ;; |
| esac |
| ]) |
