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, 11 deletions

diff --git a/src/portab/Makefile b/src/portab/Makefile
deleted file mode 100644
index a184ead2..00000000
--- a/src/portab/Makefile
+++ /dev/null
@@ -1,11 +0,0 @@
-OBJS.portab += src/portab/ansi2knr.o
-OBJS.portab += src/portab/portabtest.o
-OBJS.portab += src/portab/strdup.o
-OBJS.portab += src/portab/strlcpy.o
-OBJS.portab += src/portab/strndup.o
-OBJS.portab += src/portab/strtok_r.o
-OBJS.portab += src/portab/vsnprintf.o
-OBJS.portab += src/portab/waitpid.o
-
-src/portab/libngportab.a: ${OBJS.portab}
-	ar rcs src/portab/libngportab.a ${OBJS.portab}