# Configure paths for libxsock
# Glenn Rolland <glenux@gmail.com> 2006-01-10
# Shamelessly inspired from libvorbis-1.1.2

dnl GYR_PATH_XSOCK([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
dnl Test for libxsock, and define XSOCK_CFLAGS and XSOCK_LIBS
dnl
AC_DEFUN([GYR_PATH_XSOCK],
[dnl
dnl Get the cflags and libraries
dnl
AC_ARG_WITH(xsock,[  --with-xsock=PFX   Prefix where libxsock is installed (optional)], xsock_prefix="$withval", xsock_prefix="")
AC_ARG_WITH(xsock-libraries,[ --with-xsock-libraries=DIR   Directory where libxsock is installed (optional)], vorbis_libraries="$withval", vorbis_libraries="")
AC_ARG_WITH(xsock-includes,[  --with-xsock-includes=DIR   Directory where libxsock header files are installed (optional)], xsock_includes="$withval", xsock_includes="")
AC_ARG_ENABLE(xsocktest, [ --disable-xsocktest      Do not try to compile and run a test XSock program],, enable_xsocktest=yes)
 
  if test "x$xsock_libraries" != "x" ; then
    XSOCK_LIBS="-L$xsock_libraries"
  elif test "x$sock_prefix" != "x" ; then
    XSOCK_LIBS="-L$xsock_prefix/lib"
  elif test "x$prefix" != "xNONE" ; then
    XSOCK_LIBS="-L$prefix/lib"
  fi

  XSOCK_LIBS="$XSOCK_LIBS -lxsock"

  if test "x$xsock_includes" != "x" ; then
    XSOCK_CFLAGS="-I$xsock_includes"
  elif test "x$xsock_prefix" != "x" ; then
    XSOCK_CFLAGS="-I$xsock_prefix/include"
  elif test "x$prefix" != "xNONE"; then
    XSOCK_CFLAGS="-I$prefix/include"
  fi

  AC_MSG_CHECKING(for XSock)
  no_xsock=""

  if test "x$enable_xsock" = "xyes" ; then
    ac_save_CFLAGS="$CFLAGS"
	ac_save_LIBS="$LIBS"
	CFLAGS="$CFLAGS $XSOCK_CFLAGS"
	LIBS="$LIBS $XSOCK_LIBS"
dnl 
dnl New check if the installed XSock is sufficiently new
dnl
	rm -f conf.xsocktest
	AC_TRY_RUN([
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <xsock/xsock.h>

int main()
{
	XSock sock_serv_tcp(XSock::CLIENT, XSock::TCP);
	sock_serv_tcp.port(20500);
	sock_serv_tcp.ip(INADDR_LOOPBACK);
	sock_serv_tcp.launch();

	// XSock sock_serv_udp_std(XSock::CLIENT, XSock::UDP);
	//XSock sock_serv_udp_reliable(XSock::CLIENT, XSock::UDP);
	
	system("touch conf.xsocktest");	
	return 0;
  }

],, no_xsock=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
       CFLAGS="$ac_save_CFLAGS"
	   LIBS="$ac_save_LIBS"
  fi

  if test "x$no_xsock" = "x" ; then
     AC_MSG_RESULT(yes)
	 ifelse([$1], , :, [$1])
  else
     AC_MSG_RESULT(no)
	 if test -f conf.xsocktest ; then
	   :
	 else
	   echo "*** Could not run XSock test program, checking why..."
	   CFLAGS="$CFLAGS $XSOCK_CFLAGS"
	   LIBS="$LIBS $XSOCK_LIBS"
	   AC_TRY_LINK([
#include <stdio.h>
#include <xsock/xsock.h>
],     [ return 0; ],
       [ echo "*** The test program compiled, but dit not run. This usually means"
	   echo "*** that the run-time linker is not finding XSock or finding the wrong"
	   echo "*** version of XSock. If it is not finding XSock, you'll need to set your"
	   echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
	   echo "*** to the installed location. Also, make sure you have run ldconfig if that"
	   echo "*** is required on your system"
	   echo "***"
	   echo "*** If you have an old version installed, it is best to remove it, although"
	   echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
	   [ echo "*** The test program failed to compile or link. See the file config.log for the"
	   echo "*** exact error that occured. This usually means XSock was incorrectly installed"
	   echo "*** or that you have moved XSock since it was installed." ])
	   CFLAGS="$ac_save_CFLAGS"
	   LIBS="$ac_save_LIBS"
	 fi
	 XSOCK_CFLAGS=""
	 XSOCK_LIBS=""
	 ifelse([$2], , :, [$2])
   fi
   AC_SUBST(XSOCK_CFLAGS)
   AC_SUBST(XSOCK_LIBS)
   rm -f conf.xsocktest
])