1#serial 7 2 3# See if we need to emulate a missing ftruncate function using fcntl or chsize. 4 5# Copyright (C) 2000, 2001, 2003, 2004 Free Software Foundation, Inc. 6# This file is free software; the Free Software Foundation 7# gives unlimited permission to copy and/or distribute it, 8# with or without modifications, as long as this notice is preserved. 9 10AC_DEFUN([gl_FUNC_FTRUNCATE], 11[ 12 AC_REPLACE_FUNCS(ftruncate) 13 if test $ac_cv_func_ftruncate = no; then 14 gl_PREREQ_FTRUNCATE 15 fi 16]) 17 18# Prerequisites of lib/ftruncate.c. 19AC_DEFUN([gl_PREREQ_FTRUNCATE], 20[ 21 AC_CHECK_HEADERS_ONCE(unistd.h) 22 AC_CHECK_FUNCS(chsize) 23]) 24