gotools/configure.ac

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