netbsd/external/gpl2/xcvs/dist/m4/ftruncate.m4
2013-04-06 16:48:33 +02:00

24 lines
621 B
Plaintext

#serial 7
# See if we need to emulate a missing ftruncate function using fcntl or chsize.
# Copyright (C) 2000, 2001, 2003, 2004 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_FTRUNCATE],
[
AC_REPLACE_FUNCS(ftruncate)
if test $ac_cv_func_ftruncate = no; then
gl_PREREQ_FTRUNCATE
fi
])
# Prerequisites of lib/ftruncate.c.
AC_DEFUN([gl_PREREQ_FTRUNCATE],
[
AC_CHECK_HEADERS_ONCE(unistd.h)
AC_CHECK_FUNCS(chsize)
])