--- sourceforge.net/trunk/rdesktop/configure.ac	2004/08/08 11:17:12	743
+++ sourceforge.net/trunk/rdesktop/configure.ac	2004/12/13 12:41:20	802
@@ -16,6 +16,11 @@
 AC_SEARCH_LIBS(socket, socket)
 AC_SEARCH_LIBS(inet_aton, resolv)
 
+AC_CHECK_HEADER(sys/select.h, AC_DEFINE(HAVE_SYS_SELECT_H))
+AC_CHECK_HEADER(sys/modem.h, AC_DEFINE(HAVE_SYS_MODEM_H))
+AC_CHECK_HEADER(sys/filio.h, AC_DEFINE(HAVE_SYS_FILIO_H))
+AC_CHECK_HEADER(sys/strtio.h, AC_DEFINE(HAVE_SYS_STRTIO_H))
+
 rpath=""
 
 #
@@ -132,12 +137,13 @@
 #
 sound="yes"
 AC_ARG_WITH(sound,
-    [  --with-sound            select sound system ("oss" or "sun") ],
+    [  --with-sound            select sound system ("oss", "sgi" or "sun") ],
     [ 
     sound="$withval" 
     ])
 if test "$sound" = yes; then
     AC_CHECK_HEADER(sys/soundcard.h, [sound=oss])
+    AC_CHECK_HEADER(dmedia/audio.h, [sound=sgi])
     AC_CHECK_HEADER(sys/audioio.h, [sound=sun])
 fi
 if test "$sound" = no; then
@@ -145,12 +151,16 @@
 elif test "$sound" = oss; then
     SOUNDOBJ="rdpsnd.o rdpsnd_oss.o"
     AC_DEFINE(WITH_RDPSND)
+elif test "$sound" = sgi; then
+    SOUNDOBJ="rdpsnd.o rdpsnd_sgi.o"
+    LDFLAGS="$LDFLAGS -laudio"
+    AC_DEFINE(WITH_RDPSND)
 elif test "$sound" = sun; then
     SOUNDOBJ="rdpsnd.o rdpsnd_sun.o"
     AC_DEFINE(WITH_RDPSND)
 else
    AC_MSG_WARN([sound support disabled (no sys/soundcard.h or sys/audioio.h)])
-   AC_MSG_WARN([Currently supported systems are Open Sound System (oss) and Sun/BSD (sun)])
+   AC_MSG_WARN([Currently supported systems are Open Sound System (oss), SGI AL (sgi) and Sun/BSD (sun)])
 fi
 AC_SUBST(SOUNDOBJ)
 
@@ -237,6 +247,15 @@
 
 UTILS_FUNC_DIRFD
 
+
+#
+# IPv6
+#
+AC_ARG_WITH(ipv6,
+    [  --with-ipv6             enable IPv6-support],
+    [ AC_DEFINE(IPv6) ])
+
+
 #
 # debugging
 #
@@ -273,6 +292,10 @@
 *-*-hpux*)
     CFLAGS="$CFLAGS -D_XOPEN_SOURCE_EXTENDED"
     ;;
+*-*-irix6.5*)
+    LIBS="$LIBS -L$ssldir/lib32 -lcrypto"
+    CFLAGS="$CFLAGS -D__SGI_IRIX__"
+    ;;
 esac