configure: remove obsolete test for socket.h link args

~~~
runit 0.13.1
Mon, 19 Jan 2004 18:32:58 +0000
  * trysocketlib.c: new; check for libraries needed for socket() on some
    systems (fixes link failure on solaris, thx Uffe Jakobsen).
~~~

19 years later, we don't really need to care about solaris oddities anymore.

configure

@@ -327,34 +327,6 @@ if test -n "$HASWAITPID"; then
 	echo "CPPFLAGS +=	-DHASWAITPID" >> $CONFIG_MK
 fi
 
-#
-# Check for socket() link args.
-# XXX: Is this correct?
-#
-printf "Checking for socket library ... "
-if test -n "$SOCKETLIB"; then
-    # XXX: this seems very wrong, the value we want is empty in most cases, yet empty means "check again"?
-	echo "$SOCKETLIB (cached)."
-else
-    _CC="$XCC configure_tests/trysocketlib.c -o trysocketlib"
-	if $_CC 2>/dev/null; then
-		SOCKETLIB=
-		echo yes.
-    elif $_CC -lxnet 2>/dev/null; then
-        SOCKETLIB="-lxnet"
-        echo "-lxnet"
-    elif $_CC -lsocket -lnsl 2>/dev/null; then
-        SOCKETLIB="-lsocket -lnsl"
-        echo "-lsocket -lnsl"
-	else
-		echo no.
-        echo "Can't find socket library!"
-        exit 1
-	fi
-	rm -f trysocketlib
-fi
-echo "SOCKETLIB_LDFLAGS =	$SOCKETLIB" >> $CONFIG_MK
-
 #
 # Check for utmpx/utmp.
 #

src/Makefile

@@ -48,7 +48,7 @@ runsvchdir: runsvchdir.o unix.a byte.a
 
 svlogd: svlogd.o pmatch.o fmt_ptime.o unix.a byte.a time.a
 	@printf " [CCLD]\t\t$@\n"
-	${SILENT}$(CC) $^ $(LDFLAGS) $(BUILD_STATIC) $(SOCKETLIB_LDFLAGS) -o $@
+	${SILENT}$(CC) $^ $(LDFLAGS) $(BUILD_STATIC) -o $@
 
 chpst: chpst.o uidgid.o unix.a byte.a
 	@printf " [CCLD]\t\t$@\n"