Remove the checks for the OS.
They require running the compiled program which is not possible when
cross complining.
At this stage I believe all OE targets are linux, so it should be ok
for now.

--- tcptraceroute-1.5beta6/configure.ac	2005/11/15 04:41:51	1.1
+++ tcptraceroute-1.5beta6/configure.ac	2005/11/15 04:41:58
@@ -146,94 +146,6 @@
 AC_FUNC_VPRINTF
 AC_CHECK_FUNCS([gettimeofday memset select socket strchr])
 
-# Is this Solaris?
-AC_MSG_CHECKING(for Solaris)
-AC_RUN_IFELSE([AC_LANG_PROGRAM( [], [
-#if defined (__SVR4) && defined (__sun)
-	exit(0);
-#else
-	exit(-1);
-#endif
-		])
-	],[
-		AC_MSG_RESULT(yes)
-		AC_DEFINE([HAVE_SOLARIS], 1, [Is this a Solaris system?])
-		HAVE_SOLARIS=yes
-	],[
-		AC_MSG_RESULT(no)
-	])
-
-# Is this BSDI?
-AC_MSG_CHECKING(for BSDI)
-AC_RUN_IFELSE([AC_LANG_PROGRAM( [], [
-#if defined (__bsdi__)
-	exit(0);
-#else
-	exit(-1);
-#endif
-		])
-	],[
-		AC_MSG_RESULT(yes)
-		AC_DEFINE([HAVE_BSDI], 1, [Is this a BSDI system?])
-		HAVE_BSDI=yes
-	],[
-		AC_MSG_RESULT(no)
-	])
-
-# Is this NetBSD?
-AC_MSG_CHECKING(for NetBSD)
-AC_RUN_IFELSE([AC_LANG_PROGRAM( [], [
-#if defined (__NetBSD__)
-	exit(0);
-#else
-	exit(-1);
-#endif
-		])
-	],[
-		AC_MSG_RESULT(yes)
-		AC_DEFINE([HAVE_NETBSD], 1, [Is this a NetBSD system?])
-		HAVE_NETBSD=yes
-	],[
-		AC_MSG_RESULT(no)
-	])
-
-# Is this MacOS X?
-AC_MSG_CHECKING(for MacOS X)
-AC_RUN_IFELSE([AC_LANG_PROGRAM( [], [
-#if defined (__APPLE__) && defined (__MACH__)
-	exit(0);
-#else
-	exit(-1);
-#endif
-		])
-	],[
-		AC_MSG_RESULT(yes)
-		AC_DEFINE([HAVE_MACOSX], 1, [Is this a MacOS X system?])
-		HAVE_MACOSX=yes
-	],[
-		AC_MSG_RESULT(no)
-	])
-
-# Handle --enable-noselect-default
-AC_ARG_ENABLE(noselect-default,
-	AC_HELP_STRING([--enable-noselect-default], [default to not using select(2)]),
-	[
-		NOSELECT_DEFAULT=$enable_noselect_default
-	], [
-		if test "$HAVE_MACOSX" = "yes"; then
-			NOSELECT_DEFAULT=yes
-		elif test "$HAVE_BSDI" = "yes"; then
-			NOSELECT_DEFAULT=yes
-		elif test "$HAVE_NETBSD" = "yes"; then
-			NOSELECT_DEFAULT=yes
-		else
-			NOSELECT_DEFAULT=no
-		fi
-	])
-if test "$NOSELECT_DEFAULT" = "yes"; then
-	AC_DEFINE(NOSELECT_DEFAULT, 1, [Use select(2) by default?])
-fi
-
 # Handle --enable-track-default=IP|PORT
 AC_ARG_ENABLE(track-default,
 	AC_HELP_STRING([--enable-track-default=PORT|ID], [default to tracking probes by PORT or ID]),
@@ -245,13 +157,7 @@
 		else
 			AC_MSG_ERROR([valid arguments for --enable-track-default are PORT or ID])
 		fi
-	], [
-		if test "$HAVE_SOLARIS" = "yes"; then
-			TRACK_DEFAULT=port
-		else
-			TRACK_DEFAULT=id
-		fi
-	])
+	], [])
 if test "$TRACK_DEFAULT" = "port"; then
 	AC_DEFINE(TRACK_PORT_DEFAULT, 1, [Track ports by default])
 fi