1482113008
The BIOS loader operates in a very constrained environment. The messages for the super block integrity tests take up about 12k of space. Compile them out for the BIOS loader, while leaving it intact for all other loaders that aren't space constrained. These aren't used in the 'super tiny' *boot* programs, so no adjustment is needed there. We reply on the fact that (a) i386 doesn't support 32-bit UEFI booting and (b) LIBSA_CPUARCH is "i386" when building on both i386 and when we're building the 32-bit libsa32 library. This saves about 12k of space for this constrained envrionment and will take a bit of the pressure off some machines where the loader has grown too big for their BIOS (see comments in i386/loader/Makefile for details). Sponsored by: Netflix Reviewed by: mckusick Differential Revision: https://reviews.freebsd.org/D36175
213 lines
6.4 KiB
Makefile
213 lines
6.4 KiB
Makefile
# $FreeBSD$
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# Originally from $NetBSD: Makefile,v 1.21 1997/10/26 22:08:38 lukem Exp $
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#
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# Notes:
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# - We don't use the libc strerror/sys_errlist because the string table is
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# quite large.
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#
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.include <bsd.init.mk>
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LIBSA_CPUARCH?=${MACHINE_CPUARCH}
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LIB?= sa
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# standalone components and stuff we have modified locally
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SRCS+= gzguts.h zutil.h __main.c abort.c assert.c bcd.c environment.c \
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getopt.c gets.c globals.c \
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hexdump.c pager.c panic.c printf.c strdup.c strerror.c \
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random.c sbrk.c tslog.c twiddle.c zalloc.c zalloc_malloc.c
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# private (pruned) versions of libc string functions
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SRCS+= strcasecmp.c
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.PATH: ${LIBCSRC}/net
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SRCS+= ntoh.c
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# string functions from libc
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.PATH: ${LIBCSRC}/string
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SRCS+= bcmp.c bcopy.c bzero.c ffs.c fls.c \
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memccpy.c memchr.c memcmp.c memcpy.c memmove.c memset.c \
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strcat.c strchr.c strchrnul.c strcmp.c strcpy.c stpcpy.c stpncpy.c \
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strcspn.c strlcat.c strlcpy.c strlen.c strncat.c strncmp.c strncpy.c \
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strnlen.c strpbrk.c strrchr.c strsep.c strspn.c strstr.c strtok.c swab.c
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# stdlib functions from libc
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.PATH: ${LIBCSRC}/stdlib
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SRCS+= abs.c strtol.c strtoll.c strtoul.c strtoull.c
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# common boot code
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.PATH: ${SYSDIR}/kern
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SRCS+= subr_boot.c
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.if ${MACHINE_CPUARCH} == "arm"
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.PATH: ${LIBCSRC}/arm/gen
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# Do not generate movt/movw, because the relocation fixup for them does not
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# translate to the -Bsymbolic -pie format required by self_reloc() in loader(8).
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# Also, the fpu is not available in a standalone environment.
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CFLAGS.clang+= -mno-movt
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CFLAGS.clang+= -mfpu=none
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.PATH: ${SRCTOP}/contrib/llvm-project/compiler-rt/lib/builtins/arm/
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SRCS+= aeabi_idivmod.S aeabi_ldivmod.S aeabi_uidivmod.S aeabi_uldivmod.S
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SRCS+= aeabi_memcmp.S aeabi_memcpy.S aeabi_memmove.S aeabi_memset.S
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.endif
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.if ${MACHINE_CPUARCH} == "aarch64" || ${MACHINE_CPUARCH} == "riscv"
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.PATH: ${LIBCSRC}/${MACHINE_CPUARCH}/gen
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.endif
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# Compiler support functions
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.PATH: ${SRCTOP}/contrib/llvm-project/compiler-rt/lib/builtins/
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# __clzsi2 and ctzsi2 for various builtin functions
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SRCS+= clzsi2.c ctzsi2.c
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# Divide and modulus functions called by the compiler
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SRCS+= divmoddi4.c divmodsi4.c divdi3.c divsi3.c moddi3.c modsi3.c
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SRCS+= udivmoddi4.c udivmodsi4.c udivdi3.c udivsi3.c umoddi3.c umodsi3.c
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SRCS+= ashldi3.c ashrdi3.c lshrdi3.c
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.if ${MACHINE_CPUARCH:Namd64:Ni386} == ""
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.PATH: ${SASRC}/x86
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SRCS+= hypervisor.c
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.endif
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.if ${MACHINE_CPUARCH} == "powerpc"
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SRCS+= syncicache.c
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.endif
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# uuid functions from libc
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.PATH: ${LIBCSRC}/uuid
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SRCS+= uuid_create_nil.c uuid_equal.c uuid_from_string.c uuid_is_nil.c uuid_to_string.c
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# _setjmp/_longjmp
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.PATH: ${SASRC}/${LIBSA_CPUARCH}
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SRCS+= _setjmp.S
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# decompression functionality from libbz2
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# NOTE: to actually test this functionality after libbz2 upgrade compile
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# loader(8) with LOADER_BZIP2_SUPPORT defined
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.PATH: ${SRCTOP}/contrib/bzip2
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.for i in bzlib.c crctable.c decompress.c huffman.c randtable.c
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CFLAGS.${i}+= -DBZ_NO_STDIO -DBZ_NO_COMPRESS
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SRCS+=${i}
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.endfor
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# decompression functionality from zlib
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.PATH: ${SRCTOP}/sys/contrib/zlib
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ZLIB_CFLAGS=-DHAVE_MEMCPY -I${SRCTOP}/sys/contrib/zlib
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.for i in adler32.c crc32.c infback.c inffast.c inflate.c inftrees.c zutil.c
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CFLAGS.${i}+=${ZLIB_CFLAGS}
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SRCS+= ${i}
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.endfor
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# lz4 decompression functionality
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.PATH: ${SRCTOP}/sys/cddl/contrib/opensolaris/common/lz4
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SRCS+= lz4.c
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CFLAGS.lz4.c+= -I${SRCTOP}/sys/cddl/contrib/opensolaris/common/lz4
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# Create a subset of includes that are safe, as well as adjusting those that aren't
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# The lists may drive people nuts, but they are explicitly opt-in
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FAKE_DIRS=xlocale arpa
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SAFE_INCS=a.out.h assert.h elf.h limits.h nlist.h setjmp.h stddef.h stdbool.h string.h strings.h time.h unistd.h uuid.h
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STAND_H_INC=ctype.h fcntl.h signal.h stdio.h stdlib.h
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OTHER_INC=stdarg.h errno.h stdint.h
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beforedepend:
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mkdir -p ${FAKE_DIRS}; \
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for i in ${SAFE_INCS}; do \
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ln -sf ${SRCTOP}/include/$$i $$i; \
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done; \
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ln -sf ${SYSDIR}/${MACHINE}/include/stdarg.h stdarg.h; \
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ln -sf ${SYSDIR}/sys/errno.h errno.h; \
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ln -sf ${SYSDIR}/sys/stdint.h stdint.h; \
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ln -sf ${SRCTOP}/include/arpa/inet.h arpa/inet.h; \
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ln -sf ${SRCTOP}/include/arpa/tftp.h arpa/tftp.h; \
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for i in _time.h _strings.h _string.h; do \
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[ -f xlocale/$$i ] || :> xlocale/$$i; \
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done; \
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for i in ${STAND_H_INC}; do \
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ln -sf ${SASRC}/stand.h $$i; \
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done
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CLEANDIRS+=${FAKE_DIRS}
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CLEANFILES+= ${SAFE_INCS} ${STAND_H_INC} ${OTHER_INC}
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# io routines
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SRCS+= closeall.c dev.c ioctl.c nullfs.c stat.c mount.c \
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fstat.c close.c lseek.c open.c read.c write.c readdir.c preload.c
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# SMBios routines
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SRCS+= smbios.c
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.if !defined(BOOT_HIDE_SERIAL_NUMBERS)
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# Export serial numbers, UUID, and asset tag from loader.
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CFLAGS.smbios.c+= -DSMBIOS_SERIAL_NUMBERS
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.if defined(BOOT_LITTLE_ENDIAN_UUID)
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# Use little-endian UUID format as defined in SMBIOS 2.6.
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CFLAGS.smbios.c+= -DSMBIOS_LITTLE_ENDIAN_UUID
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.elif defined(BOOT_NETWORK_ENDIAN_UUID)
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# Use network-endian UUID format for backward compatibility.
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CFLAGS.smbios.c+= -DSMBIOS_NETWORK_ENDIAN_UUID
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.endif
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.endif
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# network routines
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SRCS+= arp.c ether.c ip.c inet_ntoa.c in_cksum.c net.c udp.c netif.c rpc.c
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# network info services:
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SRCS+= bootp.c rarp.c bootparam.c
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# boot filesystems
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SRCS+= ufs.c nfs.c cd9660.c tftp.c gzipfs.c bzipfs.c
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SRCS+= dosfs.c ext2fs.c
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SRCS+= splitfs.c
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SRCS+= pkgfs.c
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# Time support
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SRCS+= time.c
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# kernel ufs support
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.PATH: ${SRCTOP}/sys/ufs/ffs
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SRCS+=ffs_subr.c ffs_tables.c
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#
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# i386 has a constrained space for its /boot/loader, so compile out the
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# extensive messages diagnosing bad superblocks. i386 doesn't support UEFI
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# booting, so doing it always makes sense natively there. When we compile
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# for 32-bit on amd64, LIBSA_CPUARCH is also i386 and we use libsa32 only
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# for the BIOS /boot/loader which has the same constraints.
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#
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.if ${LIBSA_CPUARCH} == "i386"
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CFLAGS.ffs_subr.c+= -DSTANDALONE_SMALL
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.endif
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CFLAGS.gzipfs.c+= ${ZLIB_CFLAGS}
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CFLAGS.pkgfs.c+= ${ZLIB_CFLAGS}
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CFLAGS.bzipfs.c+= -I${SRCTOP}/contrib/bzip2 -DBZ_NO_STDIO -DBZ_NO_COMPRESS
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# explicit_bzero and calculate_crc32c
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.PATH: ${SYSDIR}/libkern
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SRCS+= explicit_bzero.c crc32_libkern.c
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# Maybe GELI
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.if ${MK_LOADER_GELI} == "yes"
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.include "${SASRC}/geli/Makefile.inc"
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.endif
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.if ${MK_LOADER_VERIEXEC} == "yes" && ${MK_BEARSSL} == "yes"
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# XXX Note that these pollutes CFLAGS in a way that's not easy to fix
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.include "${SRCTOP}/lib/libbearssl/Makefile.libsa.inc"
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.include "${SRCTOP}/lib/libsecureboot/Makefile.libsa.inc"
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.endif
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# Maybe ZFS
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.if ${MK_LOADER_ZFS} == "yes"
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.include "${SASRC}/zfs/Makefile.inc"
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.endif
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.if ${DO32:U0} == 0
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MAN=libsa.3
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.endif
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.include <bsd.lib.mk>
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