Rename sub-Makefiles into build.mk

So now it is impossible to accidentally start from the wrong place,
and this structure also implicitly tells you how to build

1 files changed, 0 insertions, 4 deletions

diff --git a/src/ipaddr/Makefile b/src/ipaddr/Makefile
deleted file mode 100644
index e40388bb..00000000
--- a/src/ipaddr/Makefile
+++ /dev/null
@@ -1,4 +0,0 @@
-OBJS.ipaddr += src/ipaddr/ng_ipaddr.o
-
-src/ipaddr/libngipaddr.a: ${OBJS.ipaddr}
-	ar rcs src/ipaddr/libngipaddr.a ${OBJS.ipaddr}