Fix some fallout from prior

Author: rsmarples

configure

@@ -1218,7 +1218,7 @@ EOF
 	rm -f _rbtree.c _rbtree
 fi
 if [ "$RBTREE" = no ]; then
-	echo "#define	RBLOCAL" >>$CONFIG_H
+	echo "RBTREE_CPPFLAGS=		-DRBLOCAL" >>$CONFIG_MK
 	echo "VENDOR_SRCS+=	vendor/rbtree.c" >>$CONFIG_MK
 else
 	echo "#define	HAVE_SYS_RBTREE_H" >>$CONFIG_H

src/Makefile

@@ -55,6 +55,9 @@ all: ${TOP}/config.h ${PROG} ${SCRIPTS} ${MAN5} ${MAN8}
 dev:
 	cd dev && ${MAKE}
 
+../vendor/rbtree.o:
+	${CC} ${CFLAGS} ${CPPFLAGS} ${RBTREE_CFLAGS} ${RBTREE_CPPFLAGS} -c $< -o $@
+
 .c.o:
 	${CC} ${CFLAGS} ${CPPFLAGS} -c $< -o $@
 

src/control.h

@@ -32,6 +32,7 @@
 #include <stdbool.h>
 
 #include "dhcpcd.h"
+#include "queue.h"
 
 #if !defined(CTL_FREE_LIST)
 #define	CTL_FREE_LIST 1

src/queue.h

@@ -0,0 +1,17 @@
+/*
+ * This stub exists becuase we know a modern BSD supports all TAILQ
+ * and glibc, musl et all, don't.
+ */
+#if (defined(__unix__) || defined(unix)) && !defined(USG)
+#include <sys/param.h>
+#endif
+#ifdef BSD
+#include <sys/queue.h>
+/* Dragonfly BSD needs this :( */
+#if !defined(TAILQ_FOREACH_SAFE) && defined(TAILQ_FOREACH_MUTABLE)
+#define	TAILQ_FOREACH_SAFE	TAILQ_FOREACH_MUTABLE
+#endif
+#else
+#error
+#include "../vendor/queue.h"
+#endif