1# rmdir.m4 serial 17 2dnl Copyright (C) 2002, 2005, 2009-2020 Free Software Foundation, Inc. 3dnl This file is free software; the Free Software Foundation 4dnl gives unlimited permission to copy and/or distribute it, 5dnl with or without modifications, as long as this notice is preserved. 6 7AC_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 "$host_os" in 36 # Guess yes on Linux systems. 37 linux-* | linux) gl_cv_func_rmdir_works="guessing yes" ;; 38 # Guess yes on glibc systems. 39 *-gnu* | gnu*) gl_cv_func_rmdir_works="guessing yes" ;; 40 # Guess yes on bsd systems. 41 *bsd*) gl_cv_func_rmdir_works="guessing yes" ;; 42 # Guess no on native Windows. 43 mingw*) gl_cv_func_rmdir_works="guessing no" ;; 44 # If we don't know, obey --enable-cross-guesses. 45 *) gl_cv_func_rmdir_works="$gl_cross_guess_normal" ;; 46 esac 47 ]) 48 rm -rf conftest.dir conftest.file]) 49 case "$gl_cv_func_rmdir_works" in 50 *yes) ;; 51 *) 52 REPLACE_RMDIR=1 53 ;; 54 esac 55]) 56