Move to gawk-3.1.0.

1 files changed, 85 insertions, 0 deletions

diff --git a/m4/socket.m4 b/m4/socket.m4
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+dnl
+dnl socket.m4 --- autoconf input file for gawk
+dnl
+dnl Copyright (C) 1995, 96, 98, 99, 2000 the Free Software Foundation, Inc.
+dnl
+dnl This file is part of GAWK, the GNU implementation of the
+dnl AWK Progamming Language.
+dnl
+dnl GAWK is free software; you can redistribute it and/or modify
+dnl it under the terms of the GNU General Public License as published by
+dnl the Free Software Foundation; either version 2 of the License, or
+dnl (at your option) any later version.
+dnl
+dnl GAWK is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+dnl GNU General Public License for more details.
+dnl
+dnl You should have received a copy of the GNU General Public License
+dnl along with this program; if not, write to the Free Software
+dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
+dnl
+
+dnl Find the socket libraries
+dnl largely stolen from AC_PATH_XTRA
+AC_DEFUN(GAWK_AC_LIB_SOCKETS, [
+gawk_have_sockets=no
+# Check for system-dependent location of socket libraries
+
+SOCKET_LIBS=
+if test "$ISC" = yes; then
+  SOCKET_LIBS="-lnsl_s -linet"
+else
+  # Martyn.Johnson@cl.cam.ac.uk says this is needed for Ultrix, if the X
+  # libraries were built with DECnet support.  And karl@cs.umb.edu says
+  # the Alpha needs dnet_stub (dnet does not exist).
+  #
+  # ADR: Is this needed just for sockets???
+#  AC_CHECK_LIB(dnet, dnet_ntoa, [SOCKET_LIBS="$SOCKET_LIBS -ldnet"])
+#  if test $ac_cv_lib_dnet_ntoa = no; then
+#    AC_CHECK_LIB(dnet_stub, dnet_ntoa,
+#	[SOCKET_LIBS="$SOCKET_LIBS -ldnet_stub"])
+#  fi
+
+  # msh@cis.ufl.edu says -lnsl (and -lsocket) are needed for his 386/AT,
+  # to get the SysV transport functions.
+  # chad@anasazi.com says the Pyramid MIS-ES running DC/OSx (SVR4)
+  # needs -lnsl.
+  # The nsl library prevents programs from opening the X display
+  # on Irix 5.2, according to dickey@clark.net.
+  AC_CHECK_FUNC(gethostbyname)
+  if test $ac_cv_func_gethostbyname = no; then
+    AC_CHECK_LIB(nsl, gethostbyname, SOCKET_LIBS="$SOCKET_LIBS -lnsl")
+  fi
+
+  # lieder@skyler.mavd.honeywell.com says without -lsocket,
+  # socket/setsockopt and other routines are undefined under SCO ODT
+  # 2.0.  But -lsocket is broken on IRIX 5.2 (and is not necessary
+  # on later versions), says simon@lia.di.epfl.ch: it contains
+  # gethostby* variants that don't use the nameserver (or something).
+  # -lsocket must be given before -lnsl if both are needed.
+  # We assume that if connect needs -lnsl, so does gethostbyname.
+  AC_CHECK_FUNC(connect)
+  if test $ac_cv_func_connect = no; then
+    AC_CHECK_LIB(socket, connect, SOCKET_LIBS="-lsocket $SOCKET_LIBS"
+    				  gawk_have_sockets=yes, ,
+	$SOCKET_LIBS)
+  else
+    gawk_have_sockets=yes
+  fi
+fi
+
+if test "${gawk_have_sockets}" = "yes"
+then
+	AC_MSG_CHECKING([where to find the socket library calls])
+	case "${SOCKET_LIBS}" in
+	?*)	gawk_lib_loc="${SOCKET_LIBS}" ;;
+	*)	gawk_lib_loc="the standard library" ;;
+	esac
+	AC_MSG_RESULT([${gawk_lib_loc}])
+
+	AC_DEFINE(HAVE_SOCKETS)
+fi
+AC_SUBST(SOCKET_LIBS)dnl
+])dnl