# Top level configure fragment for LTO # Copyright (C) 2009-2018 Free Software Foundation, Inc. #This file is part of GCC. #GCC 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, or (at your option) #any later version. #GCC 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 GCC; see the file COPYING3. If not see # . language="lto" compilers="lto1\$(exeext)" stagestuff="lto1\$(exeext)" gtfiles="\$(srcdir)/lto/lto-tree.h \$(srcdir)/lto/lto-lang.c \$(srcdir)/lto/lto.c \$(srcdir)/lto/lto.h" # LTO is a special front end. From a user's perspective it is not # really a language, but a middle end feature. However, the GIMPLE # reading module is implemented as a front end, so enabling LTO means # enabling this "language". To enable LTO functionality, use # --enable-lto when configuring the compiler. build_by_default=no # Add LTO to boot language if it is enabled. boot_language=$enable_lto