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#serial 14
dnl From J. David Anglin.
dnl HPUX and other systems can't unlink shared text that is being executed.
# Copyright (C) 2000-2001, 2004, 2007, 2009-2020 Free Software Foundation, Inc.
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_FUNC_UNLINK_BUSY_TEXT],
[dnl
AC_CACHE_CHECK([whether a running program can be unlinked],
[gl_cv_func_unlink_busy_text],
[
AC_RUN_IFELSE(
[AC_LANG_SOURCE(
[AC_INCLUDES_DEFAULT[
int
main (int argc, char **argv)
{
int result = 0;
if (argc == 0)
result |= 1;
else if (unlink (argv[0]) != 0)
result |= 2;
return result;
}]])],
[gl_cv_func_unlink_busy_text=yes],
[gl_cv_func_unlink_busy_text=no],
[case "$host_os" in
# Guess no on native Windows.
mingw*) gl_cv_func_unlink_busy_text="guessing no" ;;
*) gl_cv_func_unlink_busy_text="guessing no" ;;
esac
]
)
]
)
case "$gl_cv_func_unlink_busy_text" in
*no) INSTALL=$ac_install_sh ;;
esac
])
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