#serial 3# When rmdir fails because the specified directory is not empty, it sets# errno to some value, usually ENOTEMPTY.  However, on some AIX systems,# ENOTEMPTY is mistakenly defined to be EEXIST.  To work around this, and# in general, to avoid depending on the use of any particular symbol, this# test runs a test to determine the actual numeric value.AC_DEFUN([fetish_FUNC_RMDIR_NOTEMPTY],[dnl  AC_CACHE_CHECK([for rmdir-not-empty errno value],    fetish_cv_func_rmdir_errno_not_empty,    [      # Arrange for deletion of the temporary directory this test creates.      ac_clean_files="$ac_clean_files confdir2"      mkdir confdir2; : > confdir2/file      AC_TRY_RUN([#include <stdio.h>#include <errno.h>#ifndef errnoextern int errno;#endif	int main ()	{	  FILE *s;	  int val;	  rmdir ("confdir2");	  val = errno;	  s = fopen ("confdir2/errno", "w");	  fprintf (s, "%d\n", val);	  exit (0);	}	],      fetish_cv_func_rmdir_errno_not_empty=`cat confdir2/errno`,      fetish_cv_func_rmdir_errno_not_empty='configure error in rmdir-errno.m4',      fetish_cv_func_rmdir_errno_not_empty=ENOTEMPTY      )    ]  )  AC_DEFINE_UNQUOTED([RMDIR_ERRNO_NOT_EMPTY],    $fetish_cv_func_rmdir_errno_not_empty,    [the value to which errno is set when rmdir fails on a nonempty directory])])