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gnulib/m4/unlink-busy.m4
Paul Eggert a3fd683de3 version-etc: new year
* build-aux/gendocs.sh (version):
* doc/gendocs_template:
* doc/gendocs_template_min:
* doc/gnulib.texi:
* lib/version-etc.c (COPYRIGHT_YEAR):
Update copyright dates by hand in templates and the like.
* all files: Run 'make update-copyright'.
2017-01-01 02:59:23 +00:00

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#serial 12
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, 2009-2017 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,
gl_cv_func_unlink_busy_text=no
)
]
)
if test $gl_cv_func_unlink_busy_text = no; then
INSTALL=$ac_install_sh
fi
])