This allows freebsd-buildutils to be installed alongside bmake.

--- a/src/share/mk/Makefile
+++ b/src/share/mk/Makefile
@@ -47,7 +47,7 @@
 	version_gen.awk
 
 NO_OBJ=
-FILESDIR=	${BINDIR}/mk
+FILESDIR=	${BINDIR}/mk-freebsd
 
 .if ${MK_TESTS} != "no"
 FILES+=	atf.test.mk
--- a/src/share/mk/bsd.symver.mk
+++ b/src/share/mk/bsd.symver.mk
@@ -23,7 +23,7 @@
 .endif
 _oarg=  ${_arg}
 .endfor
-_mpath+= /usr/share/mk
+_mpath+= /usr/share/mk-freebsd
 
 # Look up ${VERSION_GEN} in ${_mpath}.
 _vgen=
--- a/src/usr.bin/make/make.1
+++ b/src/usr.bin/make/make.1
@@ -235,7 +235,7 @@
 .Fl m
 options can be specified to form a search path.
 This path will override the default system include path,
-.Pa /usr/share/mk .
+.Pa /usr/share/mk-freebsd .
 The system include path will always be appended to the search path used
 for "..."-style inclusions and makefile searches (see the
 .Fl I
@@ -1721,7 +1721,7 @@
 object directory
 .It Pa sys.mk
 system makefile
-.It Pa /usr/share/mk
+.It Pa /usr/share/mk-freebsd
 default system makefile directory
 .It Pa /usr/share/doc/psd/12.make
 PMake tutorial
--- a/src/usr.bin/make/pathnames.h
+++ b/src/usr.bin/make/pathnames.h
@@ -50,7 +50,7 @@
 #endif /* ! PATH_DEFSYSMK */
 
 #ifndef PATH_DEFSYSPATH
-#define	PATH_DEFSYSPATH	"/usr/share/mk"
+#define	PATH_DEFSYSPATH	"/usr/share/mk-freebsd"
 #endif /* ! PATH_DEFSYSPATH */
 
 #endif /* pathnames_h_235b888a */