autotools/m4/check_sockets.m4

   1 dnl Copyright (C) 2007-2023  CEA, EDF, OPEN CASCADE
   2 dnl
   3 dnl Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
   4 dnl CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
   5 dnl
   6 dnl This library is free software; you can redistribute it and/or
   7 dnl modify it under the terms of the GNU Lesser General Public
   8 dnl License as published by the Free Software Foundation; either
   9 dnl version 2.1 of the License, or (at your option) any later version.
  10 dnl
  11 dnl This library is distributed in the hope that it will be useful,
  12 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 dnl Lesser General Public License for more details.
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  17 dnl License along with this library; if not, write to the Free Software
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  20 dnl See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  21 dnl
  22
  23 AC_DEFUN([CHECK_SOCKETS],[
  24
  25 dnl Author
  26
  27 dnl Warren Young <warren@etr-usa.com>
  28 dnl M4 Source Code
  29
  30 echo
  31 echo ---------------------------------------------
  32 echo testing sockets
  33 echo ---------------------------------------------
  34 echo
  35
  36 AC_CACHE_CHECK(for libraries containing socket functions,
  37 ac_cv_socket_libs, [
  38         oCFLAGS=$CFLAGS
  39
  40         AC_TRY_LINK([
  41                         #include <sys/types.h>
  42                         #include <sys/socket.h>
  43                         #include <netinet/in.h>
  44                         #include <arpa/inet.h>
  45                 ],
  46                 [
  47                         struct in_addr add;
  48                         int sd = socket(AF_INET, SOCK_STREAM, 0);
  49                         inet_ntoa(add);
  50                 ],
  51                 ac_cv_socket_libs=-lc, ac_cv_socket_libs=no)
  52
  53         if test x"$ac_cv_socket_libs" = "xno"
  54         then
  55                 CFLAGS="$oCFLAGS -lsocket"
  56                 AC_TRY_LINK([
  57                                 #include <sys/types.h>
  58                                 #include <sys/socket.h>
  59                                 #include <netinet/in.h>
  60                                 #include <arpa/inet.h>
  61                         ],
  62                         [
  63                                 struct in_addr add;
  64                                 int sd = socket(AF_INET, SOCK_STREAM, 0);
  65                                 inet_ntoa(add);
  66                         ],
  67                         ac_cv_socket_libs=-lsocket, ac_cv_socket_libs=no)
  68         fi
  69
  70         if test x"$ac_cv_socket_libs" = "xno"
  71         then
  72                 CFLAGS="$oCFLAGS -lsocket -lnsl"
  73                 AC_TRY_LINK([
  74                                 #include <sys/types.h>
  75                                 #include <sys/socket.h>
  76                                 #include <netinet/in.h>
  77                                 #include <arpa/inet.h>
  78                         ],
  79                         [
  80                                 struct in_addr add;
  81                                 int sd = socket(AF_INET, SOCK_STREAM, 0);
  82                                 inet_ntoa(add);
  83                         ],
  84                         ac_cv_socket_libs="-lsocket -lnsl", ac_cv_socket_libs=no)
  85         fi
  86
  87         CFLAGS=$oCFLAGS
  88 ])
  89
  90         if test x"$ac_cv_socket_libs" = "xno"
  91         then
  92                 AC_MSG_ERROR([Cannot find socket libraries])
  93         elif test x"$ac_cv_socket_libs" = "x-lc"
  94         then
  95                 SOCKETLIBS=""
  96                 CPPFLAGS="-DHAVE_SOCKET $CPPFLAGS"
  97                 CORBA_IDLCXXFLAGS="-DHAVE_SOCKET $CORBA_IDLCXXFLAGS"
  98                 CORBA_IDLPYFLAGS="-DHAVE_SOCKET $CORBA_IDLPYFLAGS"
  99         else
 100                 SOCKETLIBS="$ac_cv_socket_libs"
 101                 CPPFLAGS="-DHAVE_SOCKET $CPPFLAGS"
 102                 CORBA_IDLCXXFLAGS="-DHAVE_SOCKET $CORBA_IDLCXXFLAGS"
 103                 CORBA_IDLPYFLAGS="-DHAVE_SOCKET $CORBA_IDLPYFLAGS"
 104         fi
 105
 106         AC_SUBST(SOCKETLIBS)
 107         AC_SUBST(SOCKETFLAGS)
 108 ]) dnl CHECK_SOCKET