#serial 6dnl From J. David Anglin.dnl HPUX and other systems can't unlink shared text that is being executed.AC_DEFUN([jm_FUNC_UNLINK_BUSY_TEXT],[dnl  AC_CACHE_CHECK([whether a running program can be unlinked],    jm_cv_func_unlink_busy_text,    [      AC_TRY_RUN([        main (argc, argv)          int argc;          char **argv;        {          if (!argc)            exit (-1);          exit (unlink (argv[0]));        }	],      jm_cv_func_unlink_busy_text=yes,      jm_cv_func_unlink_busy_text=no,      jm_cv_func_unlink_busy_text=no      )    ]  )  if test $jm_cv_func_unlink_busy_text = no; then    INSTALL=$ac_install_sh  fi])