- gl_cv_sys_dir_fd_member_name=$ac_expr
- ]
- )
- if test $gl_cv_sys_dir_fd_member_name != no_such_member; then
- AC_DEFINE_UNQUOTED([DIR_FD_MEMBER_NAME],
- $gl_cv_sys_dir_fd_member_name,
- [the name of the file descriptor member of DIR])
- fi
- AH_VERBATIM(DIR_TO_FD,
- [#ifdef DIR_FD_MEMBER_NAME
+ CFLAGS="$CFLAGS -DDIR_FD_MEMBER_NAME=$ac_expr"
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+ #include <sys/types.h>
+ #include <dirent.h>]],
+ [[DIR *dir_p = opendir("."); (void) dir_p->DIR_FD_MEMBER_NAME;]])],
+ [dir_fd_found=yes]
+ )
+ CFLAGS=$dirfd_save_CFLAGS
+ test "$dir_fd_found" = yes && break
+ done
+ test "$dir_fd_found" = yes || ac_expr=no_such_member
+
+ gl_cv_sys_dir_fd_member_name=$ac_expr
+ ]
+ )
+ if test $gl_cv_sys_dir_fd_member_name != no_such_member; then
+ AC_DEFINE_UNQUOTED([DIR_FD_MEMBER_NAME],
+ [$gl_cv_sys_dir_fd_member_name],
+ [the name of the file descriptor member of DIR])
+ fi
+ AH_VERBATIM([DIR_TO_FD],
+ [#ifdef DIR_FD_MEMBER_NAME