1 1.1 mrg # Top level configure fragment for LTO 2 1.1 mrg # Copyright (C) 2009 3 1.1 mrg # Free Software Foundation, Inc. 4 1.1 mrg 5 1.1 mrg #This file is part of GCC. 6 1.1 mrg 7 1.1 mrg #GCC is free software; you can redistribute it and/or modify 8 1.1 mrg #it under the terms of the GNU General Public License as published by 9 1.1 mrg #the Free Software Foundation; either version 3, or (at your option) 10 1.1 mrg #any later version. 11 1.1 mrg 12 1.1 mrg #GCC is distributed in the hope that it will be useful, 13 1.1 mrg #but WITHOUT ANY WARRANTY; without even the implied warranty of 14 1.1 mrg #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 1.1 mrg #GNU General Public License for more details. 16 1.1 mrg 17 1.1 mrg # You should have received a copy of the GNU General Public License 18 1.1 mrg # along with GCC; see the file COPYING3. If not see 19 1.1 mrg # <http://www.gnu.org/licenses/>. 20 1.1 mrg 21 1.1 mrg language="lto" 22 1.1 mrg compilers="lto1\$(exeext)" 23 1.1 mrg stagestuff="lto1\$(exeext)" 24 1.1 mrg 25 1.1 mrg gtfiles="\$(srcdir)/lto/lto-tree.h \$(srcdir)/lto/lto-lang.c \$(srcdir)/lto/lto.c" 26 1.1 mrg 27 1.1 mrg # LTO is a special front end. From a user's perspective it is not 28 1.1 mrg # really a language, but a middle end feature. However, the GIMPLE 29 1.1 mrg # reading module is implemented as a front end, so enabling LTO means 30 1.1 mrg # enabling this "language". To enable LTO functionality, use 31 1.1 mrg # --enable-lto when configuring the compiler. 32 1.1 mrg build_by_default=no 33