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, 11 insertions, 0 deletions

diff --git a/src/portab/build.mk b/src/portab/build.mk
new file mode 100644
index 00000000..a184ead2
--- /dev/null
+++ b/src/portab/build.mk
@@ -0,0 +1,11 @@
+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}