mdw@git.distorted.org.uk Git - mLib/blob - configure.in

   1 dnl -*-m4-*-
   2 dnl
   3 dnl $Id$
   4 dnl
   5 dnl Configuration script for mLib
   6 dnl
   7 dnl (c) 1998 Straylight/Edgeware
   8 dnl
   9
  10 dnl ----- Licensing notice --------------------------------------------------
  11 dnl
  12 dnl This file is part of the mLib utilities library.
  13 dnl
  14 dnl mLib is free software; you can redistribute it and/or modify
  15 dnl it under the terms of the GNU Library General Public License as
  16 dnl published by the Free Software Foundation; either version 2 of the
  17 dnl License, or (at your option) any later version.
  18 dnl
  19 dnl mLib is distributed in the hope that it will be useful,
  20 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
  21 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22 dnl GNU Library General Public License for more details.
  23 dnl
  24 dnl You should have received a copy of the GNU Library General Public
  25 dnl License along with mLib; if not, write to the Free
  26 dnl Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
  27 dnl MA 02111-1307, USA.
  28
  29 AC_INIT(exc.c)
  30 AC_CONFIG_AUX_DIR(config)
  31 AM_INIT_AUTOMAKE(mLib, 2.0.5)
  32
  33 AC_PROG_CC
  34 AM_PROG_LIBTOOL
  35 AX_CFLAGS_WARN_ALL
  36 mdw_MANEXT
  37
  38 AC_CHECK_HEADERS(float.h)
  39
  40 AC_SEARCH_LIBS(socket, socket)
  41 AC_SEARCH_LIBS(gethostbyname, nsl resolv)
  42
  43 DEPLIBS=$LIBS AC_SUBST(DEPLIBS)
  44 BRES_LIBEXEC="bres\$(EXEEXT)" BRES_SOURCE="bres"
  45 AC_SUBST(BRES_LIBEXEC) AC_SUBST(BRES_SOURCE)
  46 AC_ARG_WITH(adns,
  47 [  --with-adns             use ADNS library for background name resolution],
  48 [want_adns=$withval], [want_adns=auto])
  49 if test $want_adns != no; then
  50   save_LIBS=$LIBS
  51   LIBS=$DEPLIBS
  52   AC_SEARCH_LIBS(adns_init, adns, [have_adns=yes], [have_adns=no])
  53   DEPLIBS=$LIBS
  54   LIBS=$save_LIBS
  55   if test $have_adns = yes; then
  56     AC_DEFINE(HAVE_ADNS)
  57     BRES_LIBEXEC=""
  58     BRES_SOURCE="bres-adns"
  59   elif test $want_adns = yes; then
  60     AC_MSG_ERROR([ADNS library not found, but explicitly requested])
  61   fi
  62 fi
  63
  64 AC_CACHE_CHECK([for msg_control], [mdw_cv_msg_control],
  65 [AC_TRY_COMPILE(
  66 [#include <sys/types.h>
  67 #include <sys/socket.h>],
  68 [struct msghdr msg;
  69 msg.msg_control = 0;],
  70 [mdw_cv_msg_control=yes],
  71 [mdw_cv_msg_control=no])])
  72 if test $mdw_cv_msg_control = no; then
  73   AC_DEFINE([HAVE_MSG_ACCRIGHTS])
  74 fi
  75
  76 AC_DEFINE(BUILDING_MLIB)
  77
  78 AC_OUTPUT(Makefile man/Makefile mLib.pc)