dnl Define MKDIR_TAKES_ONE_ARG if mkdir accepts only one argument instead
dnl of the usual 2.
AC_DEFUN([gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG],
[AC_CACHE_CHECK([if mkdir takes one argument], gcc_cv_mkdir_takes_one_arg,
[AC_TRY_COMPILE([
#include <sys/types.h>
#ifdef HAVE_SYS_STAT_H
# include <sys/stat.h>
#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#ifdef HAVE_DIRECT_H
# include <direct.h>
#endif], [mkdir ("foo", 0);],
         gcc_cv_mkdir_takes_one_arg=no, gcc_cv_mkdir_takes_one_arg=yes)])
if test $gcc_cv_mkdir_takes_one_arg = yes ; then
   AC_DEFINE(MKDIR_TAKES_ONE_ARG, 1, [Define if host mkdir takes a
single argument.])
fi
])