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1 # Configure script for gotools.
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2 # Copyright (C) 2015-2016 Free Software Foundation, Inc.
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3 #
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4 # This file is free software; you can redistribute it and/or modify it
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5 # under the terms of the GNU General Public License as published by
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6 # the Free Software Foundation; either version 3 of the License, or
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7 # (at your option) any later version.
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8 #
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9 # This program is distributed in the hope that it will be useful, but
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10 # WITHOUT ANY WARRANTY; without even the implied warranty of
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11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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12 # General Public License for more details.
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13 #
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14 # You should have received a copy of the GNU General Public License
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15 # along with this program; see the file COPYING3. If not see
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16 # <http://www.gnu.org/licenses/>.
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17
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18 AC_INIT(package-unused, version-unused,, gotools)
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19 AC_PREREQ(2.64)
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20 AC_CONFIG_SRCDIR(Makefile.am)
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21
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22 m4_include([config/go.m4])
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23
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24 # Determine the noncanonical names used for directories.
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25 ACX_NONCANONICAL_BUILD
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26 ACX_NONCANONICAL_HOST
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27 ACX_NONCANONICAL_TARGET
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28
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29 dnl Autoconf 2.5x and later will set a default program prefix if
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30 dnl --target was used, even if it was the same as --host. Disable
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31 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
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32 dnl to take effect.
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33 test "$host_noncanonical" = "$target_noncanonical" &&
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34 test "$program_prefix$program_suffix$program_transform_name" = \
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35 NONENONEs,x,x, &&
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36 program_transform_name=s,y,y,
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37
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38 AC_CANONICAL_SYSTEM
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39 AC_ARG_PROGRAM
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40
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41 AM_INIT_AUTOMAKE([1.9.3 no-define foreign no-dist -Wall -Wno-portability])
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42 AM_MAINTAINER_MODE
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43
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44 AC_PROG_INSTALL
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45
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46 AC_PROG_CC
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47 AC_PROG_GO
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48
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49 # These should be defined by the top-level configure.
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50 # Copy them into Makefile.
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51 AC_SUBST(GOC_FOR_TARGET)
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52 AC_SUBST(GCC_FOR_TARGET)
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53
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54 AM_CONDITIONAL(NATIVE, test "$host_alias" = "$target_alias")
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55
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56 dnl Test for -lsocket and -lnsl. Copied from libjava/configure.ac.
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57 AC_CACHE_CHECK([for socket libraries], gotools_cv_lib_sockets,
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58 [gotools_cv_lib_sockets=
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59 gotools_check_both=no
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60 AC_CHECK_FUNC(connect, gotools_check_socket=no, gotools_check_socket=yes)
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61 if test "$gotools_check_socket" = "yes"; then
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62 unset ac_cv_func_connect
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63 AC_CHECK_LIB(socket, main, gotools_cv_lib_sockets="-lsocket",
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64 gotools_check_both=yes)
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65 fi
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66 if test "$gotools_check_both" = "yes"; then
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67 gotools_old_libs=$LIBS
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68 LIBS="$LIBS -lsocket -lnsl"
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69 unset ac_cv_func_accept
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70 AC_CHECK_FUNC(accept,
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71 [gotools_check_nsl=no
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72 gotools_cv_lib_sockets="-lsocket -lnsl"])
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73 unset ac_cv_func_accept
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74 LIBS=$gotools_old_libs
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75 fi
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76 unset ac_cv_func_gethostbyname
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77 gotools_old_libs="$LIBS"
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78 AC_CHECK_FUNC(gethostbyname, ,
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79 [AC_CHECK_LIB(nsl, main,
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80 [gotools_cv_lib_sockets="$gotools_cv_lib_sockets -lnsl"])])
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81 unset ac_cv_func_gethostbyname
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82 LIBS=$gotools_old_libs
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83 ])
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84 NET_LIBS="$gotools_cv_lib_sockets"
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85 AC_SUBST(NET_LIBS)
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86
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87 dnl Test if -lrt is required for sched_yield and/or nanosleep.
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88 AC_SEARCH_LIBS([sched_yield], [rt])
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89 AC_SEARCH_LIBS([nanosleep], [rt])
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90
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91 AC_CONFIG_FILES(Makefile)
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92
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93 AC_OUTPUT
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