annotate gcc/lto/config-lang.in @ 67:f6334be47118

update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
author nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
date Tue, 22 Mar 2011 17:18:12 +0900
parents 77e2b8dfacca
children 04ced10e8804
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1 # Top level configure fragment for LTO
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2 # Copyright (C) 2009, 2010
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3 # Free Software Foundation, Inc.
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4
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5 #This file is part of GCC.
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6
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7 #GCC is free software; you can redistribute it and/or modify
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8 #it under the terms of the GNU General Public License as published by
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9 #the Free Software Foundation; either version 3, or (at your option)
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10 #any later version.
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11
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12 #GCC is distributed in the hope that it will be useful,
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13 #but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 #GNU General Public License for more details.
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16
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17 # You should have received a copy of the GNU General Public License
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18 # along with GCC; see the file COPYING3. If not see
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19 # <http://www.gnu.org/licenses/>.
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20
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21 language="lto"
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22 compilers="lto1\$(exeext)"
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23 stagestuff="lto1\$(exeext)"
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25 gtfiles="\$(srcdir)/lto/lto-tree.h \$(srcdir)/lto/lto-lang.c \$(srcdir)/lto/lto.c"
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26
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27 # LTO is a special front end. From a user's perspective it is not
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28 # really a language, but a middle end feature. However, the GIMPLE
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29 # reading module is implemented as a front end, so enabling LTO means
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30 # enabling this "language". To enable LTO functionality, use
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31 # --enable-lto when configuring the compiler.
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32 build_by_default=no
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34 # Add LTO to boot language if it is enabled.
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35 boot_language=$enable_lto