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      1   1.1  mrg # Top level configure fragment for LTO
      2  1.12  mrg #   Copyright (C) 2009-2022 Free Software Foundation, Inc.
      3   1.1  mrg 
      4   1.1  mrg #This file is part of GCC.
      5   1.1  mrg 
      6   1.1  mrg #GCC is free software; you can redistribute it and/or modify
      7   1.1  mrg #it under the terms of the GNU General Public License as published by
      8   1.1  mrg #the Free Software Foundation; either version 3, or (at your option)
      9   1.1  mrg #any later version.
     10   1.1  mrg 
     11   1.1  mrg #GCC is distributed in the hope that it will be useful,
     12   1.1  mrg #but WITHOUT ANY WARRANTY; without even the implied warranty of
     13   1.1  mrg #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     14   1.1  mrg #GNU General Public License for more details.
     15   1.1  mrg 
     16   1.1  mrg # You should have received a copy of the GNU General Public License
     17   1.1  mrg # along with GCC; see the file COPYING3.  If not see
     18   1.1  mrg # <http://www.gnu.org/licenses/>.
     19   1.1  mrg 
     20   1.1  mrg language="lto"
     21   1.1  mrg compilers="lto1\$(exeext)"
     22   1.1  mrg 
     23  1.12  mrg gtfiles="\$(srcdir)/lto/lto-tree.h \$(srcdir)/lto/lto-lang.cc \$(srcdir)/lto/lto.cc \$(srcdir)/lto/lto.h \$(srcdir)/lto/lto-common.h \$(srcdir)/lto/lto-common.cc \$(srcdir)/lto/lto-dump.cc"
     24   1.1  mrg 
     25   1.1  mrg # LTO is a special front end.  From a user's perspective it is not
     26   1.1  mrg # really a language, but a middle end feature.  However, the GIMPLE
     27   1.1  mrg # reading module is implemented as a front end, so enabling LTO means
     28   1.1  mrg # enabling this "language". To enable LTO functionality, use
     29   1.1  mrg # --enable-lto when configuring the compiler.
     30   1.1  mrg build_by_default=no
     31   1.3  mrg 
     32   1.3  mrg # Add LTO to boot language if it is enabled.
     33   1.3  mrg boot_language=$enable_lto
     34