Index: head/sys/boot/efi/boot1/Makefile
===================================================================
--- head/sys/boot/efi/boot1/Makefile	(revision 296768)
+++ head/sys/boot/efi/boot1/Makefile	(revision 296769)
@@ -1,136 +1,136 @@
 # $FreeBSD$
 
 MAN=
 
 .include <src.opts.mk>
 
 MK_SSP=		no
 
 PROG=		boot1.sym
 INTERNALPROG=
 WARNS?=		6
 
 .if ${MK_ZFS} != "no"
 # Disable warnings that are currently incompatible with the zfs boot code
 CWARNFLAGS.zfs_module.c += -Wno-array-bounds
 CWARNFLAGS.zfs_module.c += -Wno-cast-align
 CWARNFLAGS.zfs_module.c += -Wno-cast-qual
 CWARNFLAGS.zfs_module.c += -Wno-missing-prototypes
 CWARNFLAGS.zfs_module.c += -Wno-sign-compare
 CWARNFLAGS.zfs_module.c += -Wno-unused-parameter
 CWARNFLAGS.zfs_module.c += -Wno-unused-function
 .endif
 
 # architecture-specific loader code
 SRCS=	boot1.c self_reloc.c start.S ufs_module.c
 .if ${MK_ZFS} != "no"
 SRCS+=		zfs_module.c
 .endif
 
 CFLAGS+=	-I.
 CFLAGS+=	-I${.CURDIR}/../include
 CFLAGS+=	-I${.CURDIR}/../include/${MACHINE}
 CFLAGS+=	-I${.CURDIR}/../../../contrib/dev/acpica/include
 CFLAGS+=	-I${.CURDIR}/../../..
 CFLAGS+=	-DEFI_UFS_BOOT
 .ifdef(EFI_DEBUG)
 CFLAGS+=	-DEFI_DEBUG
 .endif
 
 .if ${MK_ZFS} != "no"
 CFLAGS+=	-I${.CURDIR}/../../zfs/
 CFLAGS+=	-I${.CURDIR}/../../../cddl/boot/zfs/
 CFLAGS+=	-DEFI_ZFS_BOOT
 .endif
 
 # Always add MI sources and REGULAR efi loader bits
 .PATH:		${.CURDIR}/../loader/arch/${MACHINE}
 .PATH:		${.CURDIR}/../loader
 .PATH:		${.CURDIR}/../../common
 CFLAGS+=	-I${.CURDIR}/../../common
 
 FILES=	boot1.efi boot1.efifat
 FILESMODE_boot1.efi=	${BINMODE}
 
 LDSCRIPT=	${.CURDIR}/../loader/arch/${MACHINE}/ldscript.${MACHINE}
 LDFLAGS+=	-Wl,-T${LDSCRIPT} -Wl,-Bsymbolic -shared
 
 .if ${MACHINE_CPUARCH} == "aarch64"
 CFLAGS+=	-msoft-float -mgeneral-regs-only
 .endif
 .if ${MACHINE_CPUARCH} == "amd64" || ${MACHINE_CPUARCH} == "i386"
 CFLAGS+=	-fPIC
 LDFLAGS+=	-Wl,-znocombreloc
 .endif
 
 #
 # Add libstand for the runtime functions used by the compiler - for example
 # __aeabi_* (arm) or __divdi3 (i386).
 # as well as required string and memory functions for all platforms.
 #
 DPADD+=		${LIBSTAND}
 LDADD+=		-lstand
 
 DPADD+=		${LDSCRIPT}
 
+NM?=		nm
 OBJCOPY?=	objcopy
-OBJDUMP?=	objdump
 
 .if ${MACHINE_CPUARCH} == "amd64"
 EFI_TARGET=	efi-app-x86_64
 .elif ${MACHINE_CPUARCH} == "i386"
 EFI_TARGET=	efi-app-ia32
 .else
 EFI_TARGET=	binary
 .endif
 
 boot1.efi: ${PROG}
-	if [ `${OBJDUMP} -t ${.ALLSRC} | fgrep '*UND*' | wc -l` != 0 ]; then \
-		${OBJDUMP} -t ${.ALLSRC} | fgrep '*UND*'; \
+	if ${NM} ${.ALLSRC} | grep ' U '; then \
+		echo "Undefined symbols in ${.ALLSRC}"; \
 		exit 1; \
 	fi
 	${OBJCOPY} -j .peheader -j .text -j .sdata -j .data \
 		-j .dynamic -j .dynsym -j .rel.dyn \
 		-j .rela.dyn -j .reloc -j .eh_frame \
 		--output-target=${EFI_TARGET} ${.ALLSRC} ${.TARGET}
 
 boot1.o: ${.CURDIR}/../../common/ufsread.c
 
 # The following inserts our objects into a template FAT file system
 # created by generate-fat.sh
 
 .include "${.CURDIR}/Makefile.fat"
 BOOT1_MAXSIZE?=	131072
 
 boot1.efifat: boot1.efi
 	@set -- `ls -l boot1.efi`; \
 	x=$$(($$5-${BOOT1_MAXSIZE})); \
 	if [ $$x -ge 0 ]; then \
 	    echo "boot1 $$x bytes too large; regenerate FAT templates?" >&2 ;\
 	    exit 1; \
 	fi
 	echo ${.OBJDIR}
 	uudecode ${.CURDIR}/fat-${MACHINE}.tmpl.bz2.uu
 	mv fat-${MACHINE}.tmpl.bz2 ${.TARGET}.bz2
 	bzip2 -f -d ${.TARGET}.bz2
 	dd if=boot1.efi of=${.TARGET} seek=${BOOT1_OFFSET} conv=notrunc \
 	    status=none
 
 CLEANFILES= boot1.efi boot1.efifat
 
 .include <bsd.prog.mk>
 
 beforedepend ${OBJS}: machine
 
 CLEANFILES+=   machine
 
 machine: .NOMETA
 	ln -sf ${.CURDIR}/../../../${MACHINE}/include machine
 
 .if ${MACHINE_CPUARCH} == "amd64" || ${MACHINE_CPUARCH} == "i386"
 beforedepend ${OBJS}: x86
 CLEANFILES+=   x86
 
 x86: .NOMETA
 	ln -sf ${.CURDIR}/../../../x86/include x86
 .endif
Index: head/sys/boot/efi/loader/Makefile
===================================================================
--- head/sys/boot/efi/loader/Makefile	(revision 296768)
+++ head/sys/boot/efi/loader/Makefile	(revision 296769)
@@ -1,143 +1,143 @@
 # $FreeBSD$
 
 MAN=
 
 .include <src.opts.mk>
 
 MK_SSP=		no
 
 PROG=		loader.sym
 INTERNALPROG=
 WARNS?=		3
 
 # architecture-specific loader code
 SRCS=	autoload.c \
 	bootinfo.c \
 	conf.c \
 	copy.c \
 	devicename.c \
 	main.c \
 	self_reloc.c \
 	smbios.c \
 	vers.c
 
 .if ${MK_ZFS} != "no"
 SRCS+=		zfs.c
 .PATH:		${.CURDIR}/../../zfs
 
 # Disable warnings that are currently incompatible with the zfs boot code
 CWARNFLAGS.zfs.c+=	-Wno-sign-compare
 CWARNFLAGS.zfs.c+=	-Wno-array-bounds
 CWARNFLAGS.zfs.c+=	-Wno-missing-prototypes
 .endif
 
 .PATH: ${.CURDIR}/arch/${MACHINE}
 # For smbios.c
 .PATH: ${.CURDIR}/../../i386/libi386
 .include "${.CURDIR}/arch/${MACHINE}/Makefile.inc"
 
 CFLAGS+=	-I${.CURDIR}
 CFLAGS+=	-I${.CURDIR}/arch/${MACHINE}
 CFLAGS+=	-I${.CURDIR}/../include
 CFLAGS+=	-I${.CURDIR}/../include/${MACHINE}
 CFLAGS+=	-I${.CURDIR}/../../../contrib/dev/acpica/include
 CFLAGS+=	-I${.CURDIR}/../../..
 CFLAGS+=	-I${.CURDIR}/../../i386/libi386
 .if ${MK_ZFS} != "no"
 CFLAGS+=	-I${.CURDIR}/../../zfs
 CFLAGS+=	-I${.CURDIR}/../../../cddl/boot/zfs
 CFLAGS+=	-DEFI_ZFS_BOOT
 .endif
 CFLAGS+=	-DNO_PCI -DEFI
 
 # make buildenv doesn't set DESTDIR, this means LIBSTAND
 # will be wrong when crossbuilding.
 .if exists(${.OBJDIR}/../../../../lib/libstand/libstand.a)
 LIBSTAND=	${.OBJDIR}/../../../../lib/libstand/libstand.a
 .endif
 
 .if ${MK_FORTH} != "no"
 BOOT_FORTH=	yes
 CFLAGS+=	-DBOOT_FORTH
 CFLAGS+=	-I${.CURDIR}/../../ficl
 CFLAGS+=	-I${.CURDIR}/../../ficl/${MACHINE_CPUARCH}
 LIBFICL=	${.OBJDIR}/../../ficl/libficl.a
 .endif
 
 LOADER_FDT_SUPPORT?=	no
 .if ${MK_FDT} != "no" && ${LOADER_FDT_SUPPORT} != "no"
 CFLAGS+=	-I${.CURDIR}/../../fdt
 CFLAGS+=	-I${.OBJDIR}/../../fdt
 CFLAGS+=	-DLOADER_FDT_SUPPORT
 LIBEFI_FDT=	${.OBJDIR}/../../efi/fdt/libefi_fdt.a
 LIBFDT=		${.OBJDIR}/../../fdt/libfdt.a
 .endif
 
 # Include bcache code.
 HAVE_BCACHE=    yes
 
 .if defined(EFI_STAGING_SIZE)
 CFLAGS+=	-DEFI_STAGING_SIZE=${EFI_STAGING_SIZE}
 .endif
 
 # Always add MI sources
 .PATH:		${.CURDIR}/../../common
 .include	"${.CURDIR}/../../common/Makefile.inc"
 CFLAGS+=	-I${.CURDIR}/../../common
 
 FILES+=	loader.efi
 FILESMODE_loader.efi=	${BINMODE}
 
 LDSCRIPT=	${.CURDIR}/arch/${MACHINE}/ldscript.${MACHINE}
 LDFLAGS+=	-Wl,-T${LDSCRIPT} -Wl,-Bsymbolic -shared
 
 CLEANFILES+=	vers.c loader.efi
 
 NEWVERSWHAT=	"EFI loader" ${MACHINE}
 
 vers.c:	${.CURDIR}/../../common/newvers.sh ${.CURDIR}/../../efi/loader/version
 	sh ${.CURDIR}/../../common/newvers.sh ${.CURDIR}/version ${NEWVERSWHAT}
 
+NM?=		nm
 OBJCOPY?=	objcopy
-OBJDUMP?=	objdump
 
 .if ${MACHINE_CPUARCH} == "amd64"
 EFI_TARGET=	efi-app-x86_64
 .elif ${MACHINE_CPUARCH} == "i386"
 EFI_TARGET=	efi-app-ia32
 .else
 EFI_TARGET=	binary
 .endif
 
 loader.efi: ${PROG}
-	if [ `${OBJDUMP} -t ${.ALLSRC} | fgrep '*UND*' | wc -l` != 0 ]; then \
-		${OBJDUMP} -t ${.ALLSRC} | fgrep '*UND*'; \
+	if ${NM} ${.ALLSRC} | grep ' U '; then \
+		echo "Undefined symbols in ${.ALLSRC}"; \
 		exit 1; \
 	fi
 	${OBJCOPY} -j .peheader -j .text -j .sdata -j .data \
 		-j .dynamic -j .dynsym -j .rel.dyn \
 		-j .rela.dyn -j .reloc -j .eh_frame -j set_Xcommand_set \
 		--output-target=${EFI_TARGET} ${.ALLSRC} ${.TARGET}
 
 LIBEFI=		${.OBJDIR}/../libefi/libefi.a
 
 DPADD=		${LIBFICL} ${LIBEFI} ${LIBFDT} ${LIBEFI_FDT} ${LIBSTAND} \
 		${LDSCRIPT}
 LDADD=		${LIBFICL} ${LIBEFI} ${LIBFDT} ${LIBEFI_FDT} ${LIBSTAND}
 
 .include <bsd.prog.mk>
 
 beforedepend ${OBJS}: machine
 
 CLEANFILES+=   machine
 
 machine: .NOMETA
 	ln -sf ${.CURDIR}/../../../${MACHINE}/include machine
 
 .if ${MACHINE_CPUARCH} == "amd64" || ${MACHINE_CPUARCH} == "i386"
 beforedepend ${OBJS}: x86
 CLEANFILES+=   x86
 
 x86: .NOMETA
 	ln -sf ${.CURDIR}/../../../x86/include x86
 .endif