Index: share/mk/src.opts.mk
===================================================================
--- share/mk/src.opts.mk
+++ share/mk/src.opts.mk
@@ -191,6 +191,7 @@
     WIRELESS \
     WPA_SUPPLICANT_EAPOL \
     ZFS \
+    LOADER_ZFS \
     ZONEINFO
 
 __DEFAULT_NO_OPTIONS = \
@@ -451,6 +452,7 @@
 
 .if ${MK_CDDL} == "no"
 MK_ZFS:=	no
+MK_LOADER_ZFS:=	no
 MK_CTF:=	no
 .endif
 
Index: stand/efi/boot1/Makefile
===================================================================
--- stand/efi/boot1/Makefile
+++ stand/efi/boot1/Makefile
@@ -25,7 +25,7 @@
 
 # architecture-specific loader code
 SRCS=	boot1.c self_reloc.c start.S ufs_module.c
-.if ${MK_ZFS} != "no"
+.if ${MK_LOADER_ZFS} != "no"
 SRCS+=		zfs_module.c
 CFLAGS.zfs_module.c+=	-I${ZFSSRC}
 CFLAGS.zfs_module.c+=	-I${SYSDIR}/cddl/boot/zfs
Index: stand/efi/libefi/Makefile
===================================================================
--- stand/efi/libefi/Makefile
+++ stand/efi/libefi/Makefile
@@ -44,7 +44,7 @@
 .endif
 CFLAGS+= -I${EFIINC}
 CFLAGS+= -I${EFIINCMD}
-.if ${MK_ZFS} != "no"
+.if ${MK_LOADER_ZFS} != "no"
 CFLAGS+=	-I${ZFSSRC}
 CFLAGS+=	-DEFI_ZFS_BOOT
 .endif
Index: stand/efi/loader/Makefile
===================================================================
--- stand/efi/loader/Makefile
+++ stand/efi/loader/Makefile
@@ -26,7 +26,7 @@
 	vers.c
 
 CFLAGS+=	-I${.CURDIR}/../loader
-.if ${MK_ZFS} != "no"
+.if ${MK_LOADER_ZFS} != "no"
 CFLAGS+=	-I${ZFSSRC}
 CFLAGS+=	-DEFI_ZFS_BOOT
 HAVE_ZFS=	yes
Index: stand/i386/Makefile
===================================================================
--- stand/i386/Makefile
+++ stand/i386/Makefile
@@ -20,6 +20,6 @@
 SUBDIR.yes+=	kgzldr
 .endif
 
-SUBDIR.${MK_ZFS}+=	zfsboot gptzfsboot
+SUBDIR.${MK_LOADER_ZFS}+=	zfsboot gptzfsboot
 
 .include <bsd.subdir.mk>
Index: stand/i386/loader/Makefile
===================================================================
--- stand/i386/loader/Makefile
+++ stand/i386/loader/Makefile
@@ -1,6 +1,6 @@
 # $FreeBSD$
 
-HAVE_ZFS=		${MK_ZFS}
+HAVE_ZFS=		${MK_LOADER_ZFS}
 
 LOADER_NET_SUPPORT?=	yes
 LOADER_NFS_SUPPORT?=	yes
@@ -64,7 +64,7 @@
 ${LOADER}.bin: ${LOADER}.sym
 	strip -R .comment -R .note -o ${.TARGET} ${.ALLSRC}
 
-.if ${MK_ZFS} == "yes" && ${LOADER_INTERP} == ${LOADER_DEFAULT_INTERP}
+.if ${MK_LOADER_ZFS} == "yes" && ${LOADER_INTERP} == ${LOADER_DEFAULT_INTERP}
 LINKS+=		${BINDIR}/${LOADER} ${BINDIR}/zfsloader
 .endif
 .if ${LOADER_INTERP} == ${LOADER_DEFAULT_INTERP}
Index: stand/libsa/Makefile
===================================================================
--- stand/libsa/Makefile
+++ stand/libsa/Makefile
@@ -165,7 +165,7 @@
 .endif
 
 # Maybe ZFS
-.if ${MK_ZFS} == "yes"
+.if ${MK_LOADER_ZFS} == "yes"
 .include "${SASRC}/zfs/Makefile.inc"
 .endif
 
Index: stand/sparc64/Makefile
===================================================================
--- stand/sparc64/Makefile
+++ stand/sparc64/Makefile
@@ -5,6 +5,6 @@
 .include <bsd.init.mk>
 
 SUBDIR.yes=	boot1 loader
-SUBDIR.${MK_ZFS}+=zfsboot
+SUBDIR.${MK_LOADER_ZFS}+=zfsboot
 
 .include <bsd.subdir.mk>
Index: stand/sparc64/loader/Makefile
===================================================================
--- stand/sparc64/loader/Makefile
+++ stand/sparc64/loader/Makefile
@@ -1,6 +1,6 @@
 # $FreeBSD$
 
-HAVE_ZFS=		${MK_ZFS}
+HAVE_ZFS=		${MK_LOADER_ZFS}
 
 LOADER_DISK_SUPPORT?=	yes
 LOADER_UFS_SUPPORT?=	yes
@@ -21,7 +21,7 @@
 VERSION_FILE=	${.CURDIR}/../loader/version
 INSTALLFLAGS=	-b
 
-.if ${MK_ZFS} != "no"
+.if ${MK_LOADER_ZFS} != "no"
 HAVE_ZFS=	yes
 .endif
 
@@ -42,7 +42,7 @@
 
 LDFLAGS+=	-static
 
-.if ${MK_ZFS} == "yes"
+.if ${MK_LOADER_ZFS} == "yes"
 LINKS=		${BINDIR}/loader ${BINDIR}/zfsloader
 .endif
 
Index: stand/userboot/userboot/Makefile
===================================================================
--- stand/userboot/userboot/Makefile
+++ stand/userboot/userboot/Makefile
@@ -45,7 +45,7 @@
 LINKS+=		${BINDIR}/${SHLIB_NAME} ${BINDIR}/userboot.so
 .endif
 
-.if ${MK_ZFS} != "no"
+.if ${MK_LOADER_ZFS} != "no"
 CFLAGS+=	-DUSERBOOT_ZFS_SUPPORT
 HAVE_ZFS=yes
 .endif