\ envos.fs set os-specific environmental queries 07jul97jaw
\ Copyright (C) 1997,1999,2000,2003,2006,2007,2008 Free Software Foundation, Inc.
\ This file is part of Gforth.
\ Gforth is free software; you can redistribute it and/or
\ modify it under the terms of the GNU General Public License
\ as published by the Free Software Foundation, either version 3
\ of the License, or (at your option) any later version.
\ This program is distributed in the hope that it will be useful,
\ but WITHOUT ANY WARRANTY; without even the implied warranty of
\ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
\ GNU General Public License for more details.
\ You should have received a copy of the GNU General Public License
\ along with this program. If not, see http://www.gnu.org/licenses/.
get-current environment-wordlist set-current
: os-class ( -- c-addr u ) \ gforth-environment
\G Counted string representing a description of the host operating system.
s" unix" ;
: os-type ( -- c-addr u ) \ gforth-environment
\G Counted string equal to "$host_os"
s" @host_os@" ;
: libtool-command ( -- c-addr u ) \ gforth
\G name of the GNU libtool command
s" @GNU_LIBTOOL@" ;
: libtool-cc ( -- c-addr u ) \ gforth
\G invocation string of the C compiler used for libtool
s" @CC@" ;
: libtool-flags ( -- c-addr u ) \ gforth
\G force no undefined for cygwin
[ s" @host_os@" s" cygwin" str= ] [IF] s" -no-undefined "
[ELSE] s" " [THEN] ;
\ test for the presence of libffi or ffcall
@FFCALLFLAG@ constant ffcall-present \ libffi present (on building)
@LIBFFIFLAG@ constant libffi-present \ ffcall libs present (on building)
: include-ffi.h-string ( -- c-addr u )
s" #include <@FFI_H_NAME@>" ;