r 291486: buildworld failure: ifieee80211.c:(.text+0xeb7b): undefined reference to

It is hard to build a biuldworld buildkernel system these days :-(
[...]

--- all_subdir_secure ---
cc  -pg  -O2 -pipe -O3 -O3 -pipe -march=native
-I/usr/src/secure/lib/libcrypto/../../../crypto/openssl -DTERMIOS -DANSI_SOURCE
-DOPENSSL_THREADS -DDSO_DLFCN -DHAVE_DLFCN_H -DL_ENDIAN -DOPENSSL_IA32_SSE2 -DAES_ASM
-DBSAES_ASM -DVPAES_ASM -DECP_NISTZ256_ASM -DOPENSSL_BN_ASM_MONT -DOPENSSL_BN_ASM_MONT5
-DOPENSSL_BN_ASM_GF2m -DMD5_ASM -DGHASH_ASM -DSHA1_ASM -DSHA256_ASM -DSHA512_ASM
-DWHIRLPOOL_ASM -I/usr/obj/usr/src/secure/lib/libcrypto
-I/usr/src/secure/lib/libcrypto/../../../crypto/openssl/crypto
-I/usr/src/secure/lib/libcrypto/../../../crypto/openssl/crypto/asn1
-I/usr/src/secure/lib/libcrypto/../../../crypto/openssl/crypto/evp
-I/usr/src/secure/lib/libcrypto/../../../crypto/openssl/crypto/modes -std=gnu89
-fstack-protector-strong -Wno-pointer-sign -Wno-empty-body -Wno-string-plus-int
-Wno-unused-const-variable -Wno-tautological-compare -Wno-unused-value
-Wno-parentheses-equality -Wno-unused-function -Wno-enum-conversion
-Wno-unused-local-typedef -Wno-switch -Wno-switch-enum -Wno-knr-promoted-parameter
-Wno-parentheses -Qunused-arguments
-c /usr/src/secure/lib/libcrypto/../../../crypto/openssl/crypto/engine/eng_table.c -o
eng_table.po --- all_subdir_rescue --- _$$hide$$
ifconfig.lo /usr/src/sbin/ifconfig/ifieee80211.c:(.text+0xeb7b): undefined reference to
`lib80211_regdomain_findbyname' _$$hide$$
ifconfig.lo /usr/src/sbin/ifconfig/ifieee80211.c:(.text+0xeba5): undefined reference to
`lib80211_regdomain_findbysku' _$$hide$$
ifconfig.lo /usr/src/sbin/ifconfig/ifieee80211.c:(.text+0xebd8): undefined reference to
`lib80211_get80211' _$$hide$$
ifconfig.lo /usr/src/sbin/ifconfig/ifieee80211.c:(.text+0xec18): undefined reference to
`lib80211_alloc_regdata' _$$hide$$
ifconfig.lo /usr/src/sbin/ifconfig/ifieee80211.c:(.text+0xec37): undefined reference to
`lib80211_country_findbycc' ifconfig.lo: In function `_$$hide$$ ifconfig.lo
set80211country': _$$hide$$
ifconfig.lo /usr/src/sbin/ifconfig/ifieee80211.c:(.text+0xed1d): undefined reference to
`lib80211_alloc_regdata' _$$hide$$
ifconfig.lo /usr/src/sbin/ifconfig/ifieee80211.c:(.text+0xed3b): undefined reference to
`lib80211_country_findbyname' _$$hide$$
ifconfig.lo /usr/src/sbin/ifconfig/ifieee80211.c:(.text+0xed65): undefined reference to
`lib80211_country_findbycc' _$$hide$$
ifconfig.lo /usr/src/sbin/ifconfig/ifieee80211.c:(.text+0xed98): undefined reference to
`lib80211_get80211' ifconfig.lo: In function `_$$hide$$ ifconfig.lo set80211location':
_$$hide$$ ifconfig.lo /usr/src/sbin/ifconfig/ifieee80211.c:(.text+0xee6d): undefined
reference to `lib80211_get80211' ifconfig.lo: In function `_$$hide$$ ifconfig.lo
set80211ecm': _$$hide$$ ifconfig.lo /usr/src/sbin/ifconfig/ifieee80211.c:(.text+0xeedd):
undefined reference to `lib80211_get80211' ifconfig.lo: In function `_$$hide$$
ifconfig.lo set80211dotd': --- all_subdir_sbin --- --- all_subdir_kldstat --- ===>
sbin/kldstat (all) --- all_subdir_rescue ---