Extend coverage of the MK_IPX build option to the following:

- <netipx> headers [1]
- IPX library (libipx)
- IPX support in ifconfig(8)
- IPXrouted(8)
- new MK_NCP option

New MK_NCP build option controls:

- <netncp> and <fs/nwfs> headers
- NCP library (libncp)
- ncplist(1) and ncplogin(1)
- mount_nwfs(8)
- ncp and nwfs kernel modules

User knobs: WITHOUT_IPX, WITHOUT_IPX_SUPPORT, WITHOUT_NCP.

[1] <netsmb/netbios.h> unconditionally uses <netipx> headers
so they are still installed.  This needs to be dealt with.

1 files changed, 9 insertions, 1 deletions

diff --git a/lib/Makefile b/lib/Makefile
index 4c52565df33a..8ba968e76ae2 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -31,7 +31,7 @@ SUBDIR=	${_csu} libbsm libcom_err libcrypt libkvm msun libmd libncurses \
 	libcalendar libcam libcompat libdevinfo libdevstat libdisk \
 	libedit libexpat libfetch libform libftpio libgeom ${_libgpib} \
 	libgssapi ${_libio} libipsec \
-	libipx libkiconv libmagic libmemstat libmenu ${_libmilter} ${_libmp} \
+	${_libipx} libkiconv libmagic libmemstat libmenu ${_libmilter} ${_libmp} \
 	${_libncp} ${_libngatm} libopie libpam libpanel libpcap \
 	libpmc ${_libpthread} librt ${_libsdp} ${_libsm} ${_libsmb} \
 	${_libsmdb} \
@@ -60,8 +60,14 @@ _libbluetooth=	libbluetooth
 _libsdp=	libsdp
 .endif
 
+.if ${MK_IPX} != "no"
+_libipx=	libipx
+.endif
+
 .if ${MACHINE_ARCH} == "i386"
+.if ${MK_NCP} != "no"
 _libncp=	libncp
+.endif
 _libsmb=	libsmb
 _libvgl=	libvgl
 .endif
@@ -87,7 +93,9 @@ _libmp=		libmp
 .endif
 
 .if ${MACHINE_ARCH} == "amd64"
+.if ${MK_NCP} != "no"
 _libncp=	libncp
+.endif
 _libsmb=	libsmb
 .endif