3 dnl Copyright (C) 2000-2001, 2004, 2007, 2009-2024 Free Software Foundation, Inc.
4 dnl This file is free software; the Free Software Foundation
5 dnl gives unlimited permission to copy and/or distribute it,
6 dnl with or without modifications, as long as this notice is preserved.
8 dnl From J. David Anglin.
10 dnl HPUX and other systems can't unlink shared text that is being executed.
12 AC_DEFUN([gl_FUNC_UNLINK_BUSY_TEXT],
14 AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
15 AC_CACHE_CHECK([whether a running program can be unlinked],
16 [gl_cv_func_unlink_busy_text],
23 main (int argc, char **argv)
28 else if (unlink (argv[0]) != 0)
32 [gl_cv_func_unlink_busy_text=yes],
33 [gl_cv_func_unlink_busy_text=no],
35 # Guess no on native Windows.
36 mingw* | windows*) gl_cv_func_unlink_busy_text="guessing no" ;;
37 *) gl_cv_func_unlink_busy_text="guessing no" ;;
44 case "$gl_cv_func_unlink_busy_text" in
45 *no) INSTALL=$ac_install_sh ;;