.

diff --git a/m4/unlink.m4 b/m4/unlink.m4
deleted file mode 100644 (file)
index 95c0810..0000000
--- a/m4/unlink.m4
+++ /dev/null
@@ -1,32 +0,0 @@
-#serial 4
-
-dnl 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 program can unlink itself],
-    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
-])