libcc1/configure.ac

   1 dnl   Copyright (C) 2014-2016 Free Software Foundation, Inc.
   2 dnl
   3 dnl This file is part of GCC.
   4 dnl
   5 dnl GCC is free software; you can redistribute it and/or modify it under
   6 dnl the terms of the GNU General Public License as published by the Free
   7 dnl Software Foundation; either version 3, or (at your option) any later
   8 dnl version.
   9 dnl
  10 dnl GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  11 dnl WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12 dnl FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13 dnl for more details.
  14 dnl
  15 dnl You should have received a copy of the GNU General Public License
  16 dnl along with GCC; see the file COPYING3.  If not see
  17 dnl <http://www.gnu.org/licenses/>.
  18
  19 AC_PREREQ(2.64)
  20 AC_INIT([libcc1], [version-unused])
  21 AC_CONFIG_SRCDIR([libcc1.cc])
  22 AC_CONFIG_HEADER(cc1plugin-config.h)
  23
  24 AC_CANONICAL_SYSTEM
  25 AC_USE_SYSTEM_EXTENSIONS
  26 # Determine the noncanonical target name, for directory use.
  27 ACX_NONCANONICAL_TARGET
  28 GCC_TOPLEV_SUBDIRS
  29
  30 # 1.11.1: Require that version of automake.
  31 # foreign: Don't require README, INSTALL, NEWS, etc.
  32 # no-define: Don't define PACKAGE and VERSION.
  33 # -Wall: Issue all automake warnings.
  34 # -Wno-portability: Don't warn about constructs supported by GNU make.
  35 #    (because GCC requires GNU make anyhow).
  36 AM_INIT_AUTOMAKE([1.11.1 foreign no-dist no-define -Wall -Wno-portability])
  37 AM_MAINTAINER_MODE
  38
  39 LT_INIT([disable-static])
  40 AM_PROG_LIBTOOL
  41 AC_PROG_CXX
  42
  43 visibility=
  44 if test "$GXX" = yes; then
  45   visibility=-fvisibility=hidden
  46 fi
  47 AC_SUBST(visibility)
  48
  49 AC_CHECK_DECLS([basename])
  50
  51 gcc_version=`cat $srcdir/../gcc/BASE-VER`
  52 AC_SUBST(gcc_version)
  53 AC_SUBST([CONFIG_STATUS_DEPENDENCIES], ['$(top_srcdir)/../gcc/BASE-VER'])
  54
  55 ACX_PROG_CC_WARNING_OPTS([-W -Wall], [WARN_FLAGS])
  56 AC_SUBST(WARN_FLAGS)
  57 ACX_PROG_CC_WARNINGS_ARE_ERRORS([manual])
  58
  59 AC_ARG_VAR(GMPINC,[How to find GMP include files])
  60
  61 libsuffix=
  62 if test "$GXX" = yes; then
  63   libsuffix=`$CXX -print-multi-os-directory`
  64 fi
  65 AC_SUBST(libsuffix)
  66
  67 dnl Test for -lsocket and -lnsl.  Copied from libgo/configure.ac.
  68 AC_CACHE_CHECK([for socket libraries], libcc1_cv_lib_sockets,
  69   [libcc1_cv_lib_sockets=
  70    libcc1_check_both=no
  71    AC_CHECK_FUNC(connect, libcc1_check_socket=no, libcc1_check_socket=yes)
  72    if test "$libcc1_check_socket" = "yes"; then
  73      unset ac_cv_func_connect
  74      AC_CHECK_LIB(socket, main, libcc1_cv_lib_sockets="-lsocket",
  75                   libcc1_check_both=yes)
  76    fi
  77    if test "$libcc1_check_both" = "yes"; then
  78      libcc1_old_libs=$LIBS
  79      LIBS="$LIBS -lsocket -lnsl"
  80      unset ac_cv_func_accept
  81      AC_CHECK_FUNC(accept,
  82                    [libcc1_check_nsl=no
  83                     libcc1_cv_lib_sockets="-lsocket -lnsl"])
  84      unset ac_cv_func_accept
  85      LIBS=$libcc1_old_libs
  86    fi
  87    unset ac_cv_func_gethostbyname
  88    libcc1_old_libs="$LIBS"
  89    AC_CHECK_FUNC(gethostbyname, ,
  90                  [AC_CHECK_LIB(nsl, main,
  91                         [libcc1_cv_lib_sockets="$libcc1_cv_lib_sockets -lnsl"])])
  92    unset ac_cv_func_gethostbyname
  93    LIBS=$libcc1_old_libs
  94 ])
  95 LIBS="$LIBS $libcc1_cv_lib_sockets"
  96
  97 # If any of these functions are missing, simply don't bother building
  98 # this plugin.
  99 GCC_ENABLE_PLUGINS
 100 AC_CHECK_FUNC(socketpair, , enable_plugin=no)
 101 AC_CHECK_FUNC(select, , enable_plugin=no)
 102 AC_CHECK_FUNC(fork, , enable_plugin=no)
 103 AM_CONDITIONAL(ENABLE_PLUGIN, test $enable_plugin = yes)
 104
 105 AC_CONFIG_FILES([Makefile])
 106 AC_OUTPUT