Bug 233318

Hello,
I'm getting following error when building the 12.0-RC1 world:

$ uname -a
FreeBSD KPECT 11.2-STABLE FreeBSD 11.2-STABLE #0: Mon Oct 22 19:58:06 +03 2018     root@KPECT  amd64

...+

===> lib/csu/amd64 (install)
installing DIRS FILESDIR
sh /usr/src/tools/install.sh  -d -m 0755 -o root  -g wheel  /usr/obj/usr/src/amd64.amd64/tmp/usr/lib
sh /usr/src/tools/install.sh  -o root  -g wheel -m 444  crti.o /usr/obj/usr/src/amd64.amd64/tmp/usr/lib/crti.o
sh /usr/src/tools/install.sh  -o root  -g wheel -m 444  crtn.o /usr/obj/usr/src/amd64.amd64/tmp/usr/lib/crtn.o
sh /usr/src/tools/install.sh  -o root  -g wheel -m 444  Scrt1.o /usr/obj/usr/src/amd64.amd64/tmp/usr/lib/Scrt1.o
sh /usr/src/tools/install.sh  -o root  -g wheel -m 444  gcrt1.o /usr/obj/usr/src/amd64.amd64/tmp/usr/lib/gcrt1.o
sh /usr/src/tools/install.sh  -o root  -g wheel -m 444  crt1.o /usr/obj/usr/src/amd64.amd64/tmp/usr/lib/crt1.o
===> lib/libcompiler_rt (obj,all,install)
sh /usr/src/tools/install.sh  -s -C -o root -g wheel -m 444   libcompiler_rt.a /usr/obj/usr/src/amd64.amd64/tmp/usr/lib/
sh /usr/src/tools/install.sh -l s -o root -g wheel -m 755  libcompiler_rt.a /usr/obj/usr/src/amd64.amd64/tmp/usr/lib/libgcc.a
===> lib/libc (obj,all,install)
make[4]: "/usr/src/lib/libc/Makefile" line 187: amd64 libc requires linker ifunc support
*** [lib/libc__L] Error code 1

make[3]: stopped in /usr/src
1 error

make[3]: stopped in /usr/src
*** [libraries] Error code 2

make[2]: stopped in /usr/src
1 error

make[2]: stopped in /usr/src
*** Error code 2

Stop.
make[1]: stopped in /usr/src
*** Error code 1

Stop.
make: stopped in

$ cat /etc/src.conf
WITHOUT_ACCT=YES
WITHOUT_AMD=YES
WITHOUT_APM=YES
WITHOUT_ASSERT_DEBUG=YES
WITHOUT_ATM=YES
WITHOUT_AUDIT=YES
WITHOUT_AUTHPF=YES
WITHOUT_AUTOFS=YES
WITHOUT_BHYVE=YES
WITHOUT_BLACKLIST=YES
WITHOUT_BLUETOOTH=YES
WITHOUT_BOOTPARAMD=YES
WITHOUT_BOOTPD=YES
WITHOUT_BSNMP=YES
WITHOUT_CALENDAR=YES
WITHOUT_CAPSICUM=YES
WITHOUT_CASPER=YES
WITHOUT_CCD=YES
WITHOUT_CLANG_FULL=YES
WITHOUT_CROSS_COMPILER=YES
WITHOUT_CTF=YES
WITHOUT_CTM=YES
WITHOUT_CUSE=YES
WITHOUT_CXGBETOOL=YES
WITHOUT_DEBUG_FILES=YES
WITHOUT_DICT=YES
WITHOUT_DMAGENT=YES
WITHOUT_ED_CRYPTO=YES
WITHOUT_EE=YES
WITHOUT_EFI=YES
WITHOUT_EXAMPLES=YES
WITHOUT_FDT=YES
WITHOUT_FINGER=YES
WITHOUT_FLOPPY=YES
WITHOUT_FORMAT_EXTENSIONS=YES
WITHOUT_FREEBSD_UPDATE=YES
WITHOUT_FTP=YES
WITHOUT_GAMES=YES
WITHOUT_GCC=YES
WITHOUT_GCOV=YES
WITHOUT_GDB=YES
WITHOUT_GNU_SUPPORT=YES
WITHOUT_GPIB=YES
WITHOUT_GPIO=YES
WITHOUT_GROFF=YES
WITHOUT_GSSAPI=YES
WITHOUT_HAST=YES
WITHOUT_HTML=YES
WITHOUT_HYPERV=YES
WITHOUT_INET6=YES
WITHOUT_INETD=YES
WITHOUT_INFO=YES
WITHOUT_IPFILTER=YES
WITHOUT_IPSEC_SUPPORT=YES
WITHOUT_ISCSI=YES
WITHOUT_JAIL=YES
WITHOUT_KERBEROS=YES
WITHOUT_KERNEL_SYMBOLS=YES
WITHOUT_KVM=YES
WITHOUT_KVM_SUPPORT=YES
WITHOUT_LIB32=YES
WITHOUT_LLD=YES
WITHOUT_LLDB=YES
WITHOUT_LLVM_COV=YES
WITHOUT_LLVM_TARGET_ALL=YES
WITHOUT_LOADER_FIREWIRE=YES
WITHOUT_LOADER_GELI=YES
WITHOUT_LOCATE=YES
WITHOUT_LPR=YES
WITHOUT_MAIL=YES
WITHOUT_MANDOCDB=YES
WITHOUT_MAN_UTILS=YES
WITHOUT_MLX5TOOL=YES
WITHOUT_MODULE_DRM=YES
WITHOUT_MODULE_DRM2=YES
WITHOUT_NDIS=YES
WITHOUT_NETGRAPH=YES
WITHOUT_NIS=YES
WITHOUT_NLS=YES
WITHOUT_NLS_CATALOGS=YES
WITHOUT_NS_CACHING=YES
WITHOUT_NTP=YES
WITHOUT_OFED=YES
WITHOUT_PAM_SUPPORT=YES
WITHOUT_PC_SYSINSTALL=YES
WITHOUT_PF=YES
WITHOUT_PMC=YES
WITHOUT_PPP=YES
WITHOUT_PROFILE=YES
WITHOUT_QUOTAS=YES
WITHOUT_RADIUS_SUPPORT=YES
WITHOUT_RBOOTD=YES
WITHOUT_RCMDS=YES
WITHOUT_RCS=YES
WITHOUT_ROUTED=YES
WITHOUT_SENDMAIL=YES
WITHOUT_SHAREDOCS=YES
WITHOUT_SVNLITE=YES
WITHOUT_SYSCONS=YES
WITHOUT_SYSINSTALL=YES
WITHOUT_TALK=YES
WITHOUT_TCP_WRAPPERS=YES
WITHOUT_TCSH=YES
WITHOUT_TELNET=YES
WITHOUT_TESTS=YES
WITHOUT_TFTP=YES
WITHOUT_TIMED=YES
WITHOUT_UNBOUND=YES
WITHOUT_USB_GADGET_EXAMPLES=YES