libcc1/configure.ac

   1 dnl   Copyright (C) 2014-2018 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_INIT([libcc1], [version-unused])
  20 AC_CONFIG_SRCDIR([libcc1.cc])
  21 AC_CONFIG_HEADER(cc1plugin-config.h)
  22
  23 AC_CANONICAL_SYSTEM
  24 AC_USE_SYSTEM_EXTENSIONS
  25 # Determine the noncanonical target name, for directory use.
  26 ACX_NONCANONICAL_TARGET
  27 GCC_TOPLEV_SUBDIRS
  28
  29 # 1.11.1: Require that version of automake.
  30 # foreign: Don't require README, INSTALL, NEWS, etc.
  31 # no-define: Don't define PACKAGE and VERSION.
  32 # -Wall: Issue all automake warnings.
  33 # -Wno-portability: Don't warn about constructs supported by GNU make.
  34 #    (because GCC requires GNU make anyhow).
  35 AM_INIT_AUTOMAKE([1.11.1 foreign no-dist no-define -Wall -Wno-portability])
  36 AM_MAINTAINER_MODE
  37
  38 LT_INIT([disable-static])
  39 AM_PROG_LIBTOOL
  40 AC_PROG_CXX
  41
  42 visibility=
  43 if test "$GXX" = yes; then
  44   visibility=-fvisibility=hidden
  45 fi
  46 AC_SUBST(visibility)
  47
  48 AC_CHECK_DECLS([basename])
  49
  50 GCC_BASE_VER
  51
  52 if test x$with_gcc_major_version_only = xyes ; then
  53   changequote(,)dnl
  54   gcc_version=`sed -e 's/^\([0-9]*\).*$/\1/' $srcdir/../gcc/BASE-VER`
  55   changequote([,])dnl
  56 else
  57   gcc_version=`cat $srcdir/../gcc/BASE-VER`
  58 fi
  59 AC_SUBST(gcc_version)
  60 AC_SUBST([CONFIG_STATUS_DEPENDENCIES], ['$(top_srcdir)/../gcc/BASE-VER'])
  61
  62 ACX_PROG_CC_WARNING_OPTS([-W -Wall], [WARN_FLAGS])
  63 AC_SUBST(WARN_FLAGS)
  64 ACX_PROG_CC_WARNINGS_ARE_ERRORS([manual])
  65
  66 AC_ARG_VAR(GMPINC,[How to find GMP include files])
  67
  68 libsuffix=
  69 if test "$GXX" = yes; then
  70   libsuffix=`$CXX -print-multi-os-directory`
  71 fi
  72 AC_SUBST(libsuffix)
  73
  74 dnl Test for -lsocket and -lnsl.  Copied from libgo/configure.ac.
  75 AC_CACHE_CHECK([for socket libraries], libcc1_cv_lib_sockets,
  76   [libcc1_cv_lib_sockets=
  77    libcc1_check_both=no
  78    AC_CHECK_FUNC(connect, libcc1_check_socket=no, libcc1_check_socket=yes)
  79    if test "$libcc1_check_socket" = "yes"; then
  80      unset ac_cv_func_connect
  81      AC_CHECK_LIB(socket, main, libcc1_cv_lib_sockets="-lsocket",
  82                   libcc1_check_both=yes)
  83    fi
  84    if test "$libcc1_check_both" = "yes"; then
  85      libcc1_old_libs=$LIBS
  86      LIBS="$LIBS -lsocket -lnsl"
  87      unset ac_cv_func_accept
  88      AC_CHECK_FUNC(accept,
  89                    [libcc1_check_nsl=no
  90                     libcc1_cv_lib_sockets="-lsocket -lnsl"])
  91      unset ac_cv_func_accept
  92      LIBS=$libcc1_old_libs
  93    fi
  94    unset ac_cv_func_gethostbyname
  95    libcc1_old_libs="$LIBS"
  96    AC_CHECK_FUNC(gethostbyname, ,
  97                  [AC_CHECK_LIB(nsl, main,
  98                         [libcc1_cv_lib_sockets="$libcc1_cv_lib_sockets -lnsl"])])
  99    unset ac_cv_func_gethostbyname
 100    LIBS=$libcc1_old_libs
 101 ])
 102 LIBS="$LIBS $libcc1_cv_lib_sockets"
 103
 104 # If any of these functions are missing, simply don't bother building
 105 # this plugin.
 106 GCC_ENABLE_PLUGINS
 107 AC_CHECK_FUNC(socketpair, , enable_plugin=no)
 108 AC_CHECK_FUNC(select, , enable_plugin=no)
 109 AC_CHECK_FUNC(fork, , enable_plugin=no)
 110 AM_CONDITIONAL(ENABLE_PLUGIN, test $enable_plugin = yes)
 111
 112 AC_CONFIG_FILES([Makefile])
 113 AC_OUTPUT