Add bin/ hierarchy

Makefile

@@ -54,11 +54,13 @@ elf-libraries: includes
 
 commands: includes libraries
 	$(MAKE) -C commands all
+	$(MAKE) -C bin all
 	$(MAKE) -C usr.bin all
 
 depend:
 	$(MAKE) CC=cc -C boot depend
 	$(MAKE) -C commands depend
+	$(MAKE) -C bin depend
 	$(MAKE) -C usr.bin depend
 	$(MAKE) -C kernel depend
 	$(MAKE) -C servers depend
@@ -73,6 +75,7 @@ etcforce:
 all:
 	$(MAKE) CC=cc -C boot all
 	$(MAKE) -C commands all
+	$(MAKE) -C bin all
 	$(MAKE) -C usr.bin all
 	$(MAKE) -C tools all
 
@@ -80,6 +83,7 @@ install:
 	$(MAKE) CC=cc -C boot install
 	$(MAKE) -C man install makedb
 	$(MAKE) -C commands install
+	$(MAKE) -C bin install
 	$(MAKE) -C usr.bin install
 	$(MAKE) -C share install
 	$(MAKE) -C tools install
@@ -87,6 +91,7 @@ install:
 clean:
 	$(MAKE) -C boot clean
 	$(MAKE) -C commands clean
+	$(MAKE) -C bin clean
 	$(MAKE) -C usr.bin clean
 	$(MAKE) -C tools clean
 	$(MAKE) -C lib clean_all
@@ -95,5 +100,6 @@ clean:
 cleandepend:
 	$(MAKE) -C boot cleandepend
 	$(MAKE) -C commands cleandepend
+	$(MAKE) -C bin cleandepend
 	$(MAKE) -C usr.bin cleandepend
 	$(MAKE) -C tools cleandepend

bin/Makefile

@@ -0,0 +1,7 @@
+# Makefile for bin
+
+.include <bsd.own.mk>
+
+SUBDIR=
+
+.include <bsd.subdir.mk>

bin/Makefile.inc

@@ -0,0 +1,9 @@
+# Requires NBSD_LIBC and clang/gcc (we default to using clang)
+NBSD_LIBC:= yes
+CC:=${CC:C/^cc/clang/}
+COMPILER_TYPE:= gnu
+
+CPPFLAGS+= -D_NETBSD_SOURCE
+
+BINDIR?=/bin
+