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1 dnl Copyright (C) 2014-2020 Free Software Foundation, Inc.
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111
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2 dnl
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3 dnl This file is part of GCC.
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4 dnl
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5 dnl GCC is free software; you can redistribute it and/or modify it under
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6 dnl the terms of the GNU General Public License as published by the Free
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7 dnl Software Foundation; either version 3, or (at your option) any later
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8 dnl version.
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9 dnl
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10 dnl GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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11 dnl WARRANTY; without even the implied warranty of MERCHANTABILITY or
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12 dnl FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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13 dnl for more details.
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14 dnl
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15 dnl You should have received a copy of the GNU General Public License
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16 dnl along with GCC; see the file COPYING3. If not see
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17 dnl <http://www.gnu.org/licenses/>.
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18
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19 AC_INIT([libcc1], [version-unused])
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20 AC_CONFIG_SRCDIR([libcc1.cc])
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21 AC_CONFIG_HEADER(cc1plugin-config.h)
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22
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23 AC_CANONICAL_SYSTEM
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24 AC_USE_SYSTEM_EXTENSIONS
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25 # Determine the noncanonical target name, for directory use.
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26 ACX_NONCANONICAL_TARGET
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27 GCC_TOPLEV_SUBDIRS
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28
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29 # 1.11.1: Require that version of automake.
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30 # foreign: Don't require README, INSTALL, NEWS, etc.
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31 # no-define: Don't define PACKAGE and VERSION.
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32 # -Wall: Issue all automake warnings.
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33 # -Wno-portability: Don't warn about constructs supported by GNU make.
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34 # (because GCC requires GNU make anyhow).
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35 AM_INIT_AUTOMAKE([1.11.1 foreign no-dist no-define -Wall -Wno-portability])
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36 AM_MAINTAINER_MODE
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37
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38 LT_INIT([disable-static])
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39 AM_PROG_LIBTOOL
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40 AC_PROG_CXX
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41
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42 visibility=
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43 if test "$GXX" = yes; then
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44 visibility=-fvisibility=hidden
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45 fi
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46 AC_SUBST(visibility)
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47
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48 AC_CHECK_DECLS([basename])
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49
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50 GCC_BASE_VER
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51
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52 if test x$with_gcc_major_version_only = xyes ; then
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53 changequote(,)dnl
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54 gcc_version=`sed -e 's/^\([0-9]*\).*$/\1/' $srcdir/../gcc/BASE-VER`
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55 changequote([,])dnl
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56 else
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57 gcc_version=`cat $srcdir/../gcc/BASE-VER`
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58 fi
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59 AC_SUBST(gcc_version)
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60 AC_SUBST([CONFIG_STATUS_DEPENDENCIES], ['$(top_srcdir)/../gcc/BASE-VER'])
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61
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62 ACX_PROG_CC_WARNING_OPTS([-W -Wall], [WARN_FLAGS])
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63 AC_SUBST(WARN_FLAGS)
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64 ACX_PROG_CC_WARNINGS_ARE_ERRORS([manual])
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65
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66 AC_ARG_VAR(GMPINC,[How to find GMP include files])
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67
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68 libsuffix=
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69 if test "$GXX" = yes; then
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70 libsuffix=`$CXX -print-multi-os-directory`
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71 fi
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72 AC_SUBST(libsuffix)
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73
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74 dnl Test for -lsocket and -lnsl. Copied from libgo/configure.ac.
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75 AC_CACHE_CHECK([for socket libraries], libcc1_cv_lib_sockets,
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76 [libcc1_cv_lib_sockets=
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77 libcc1_check_both=no
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78 AC_CHECK_FUNC(connect, libcc1_check_socket=no, libcc1_check_socket=yes)
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79 if test "$libcc1_check_socket" = "yes"; then
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80 unset ac_cv_func_connect
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81 AC_CHECK_LIB(socket, main, libcc1_cv_lib_sockets="-lsocket",
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82 libcc1_check_both=yes)
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83 fi
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84 if test "$libcc1_check_both" = "yes"; then
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85 libcc1_old_libs=$LIBS
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86 LIBS="$LIBS -lsocket -lnsl"
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87 unset ac_cv_func_accept
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88 AC_CHECK_FUNC(accept,
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89 [libcc1_check_nsl=no
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90 libcc1_cv_lib_sockets="-lsocket -lnsl"])
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91 unset ac_cv_func_accept
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92 LIBS=$libcc1_old_libs
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93 fi
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94 unset ac_cv_func_gethostbyname
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95 libcc1_old_libs="$LIBS"
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96 AC_CHECK_FUNC(gethostbyname, ,
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97 [AC_CHECK_LIB(nsl, main,
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98 [libcc1_cv_lib_sockets="$libcc1_cv_lib_sockets -lnsl"])])
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99 unset ac_cv_func_gethostbyname
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100 LIBS=$libcc1_old_libs
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101 ])
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102 LIBS="$LIBS $libcc1_cv_lib_sockets"
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103
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104 # If any of these functions are missing, simply don't bother building
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105 # this plugin.
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106 GCC_ENABLE_PLUGINS
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107 AC_CHECK_FUNC(socketpair, , enable_plugin=no)
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108 AC_CHECK_FUNC(select, , enable_plugin=no)
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109 AC_CHECK_FUNC(fork, , enable_plugin=no)
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110 AM_CONDITIONAL(ENABLE_PLUGIN, test $enable_plugin = yes)
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111
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112 AC_CONFIG_FILES([Makefile])
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113 AC_OUTPUT
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