fatal error relating to GIT_DISCOVERY_ACROSS_FILESYSTEM or something

gistfile1.txt

 * Package:    net-p2p/bitcoind-0.8.6
 * Repository: gentoo
 * Maintainer: blueness@gentoo.org luke-jr+gentoobugs@utopios.org,proxy-maint@gentoo.org
 * USE:        abi_x86_32 elibc_glibc ipv6 kernel_linux userland_GNU x86
 * FEATURES:   preserve-libs sandbox userpriv usersandbox
>>> cfg-update-1.8.2-r1: Creating checksum index...
>>> Unpacking source...
>>> Unpacking bitcoin-v0.8.6.tgz to /var/tmp/portage/net-p2p/bitcoind-0.8.6/work
>>> Source unpacked in /var/tmp/portage/net-p2p/bitcoind-0.8.6/work
>>> Preparing source in /var/tmp/portage/net-p2p/bitcoind-0.8.6/work/bitcoin-0.8.6 ...
 * Applying 0.8.2-sys_leveldb.patch ...
 [ ok ]
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/net-p2p/bitcoind-0.8.6/work/bitcoin-0.8.6 ...
>>> Source configured.
>>> Compiling source in /var/tmp/portage/net-p2p/bitcoind-0.8.6/work/bitcoin-0.8.6 ...
make -j12 --load-average=7.75 CC=i686-pc-linux-gnu-gcc CXX=i686-pc-linux-gnu-g++ -f makefile.unix DEBUGFLAGS= 'CXXFLAGS=-Os -march=corei7-avx -mno-avx' 'LDFLAGS=-Wl,-O1 -Wl,--as-needed' BDB_INCLUDE_PATH=/usr/include/db4.8 BDB_LIB_SUFFIX=-4.8 USE_UPNP= USE_SYSTEM_LEVELDB=1 bitcoind 
i686-pc-linux-gnu-g++ -c -O2 -pthread -Wall -Wextra -Wformat -Wformat-security -Wno-unused-parameter  -DBOOST_SPIRIT_THREADSAFE -D_FILE_OFFSET_BITS=64 -I/var/tmp/portage/net-p2p/bitcoind-0.8.6/work/bitcoin-0.8.6/src -I/var/tmp/portage/net-p2p/bitcoind-0.8.6/work/bitcoin-0.8.6/src/obj -I/usr/include/db4.8 -DUSE_IPV6=1 -DHAVE_BUILD_INFO -fno-stack-protector -fstack-protector-all -Wstack-protector -D_FORTIFY_SOURCE=2 -Os -march=corei7-avx -mno-avx -DLEVELDB_WITHOUT_MEMENV -MMD -MF obj/leveldb.d -o obj/leveldb.o leveldb.cpp
i686-pc-linux-gnu-g++ -c -O2 -pthread -Wall -Wextra -Wformat -Wformat-security -Wno-unused-parameter  -DBOOST_SPIRIT_THREADSAFE -D_FILE_OFFSET_BITS=64 -I/var/tmp/portage/net-p2p/bitcoind-0.8.6/work/bitcoin-0.8.6/src -I/var/tmp/portage/net-p2p/bitcoind-0.8.6/work/bitcoin-0.8.6/src/obj -I/usr/include/db4.8 -DUSE_IPV6=1 -DHAVE_BUILD_INFO -fno-stack-protector -fstack-protector-all -Wstack-protector -D_FORTIFY_SOURCE=2 -Os -march=corei7-avx -mno-avx -DLEVELDB_WITHOUT_MEMENV -MMD -MF obj/init.d -o obj/init.o init.cpp
i686-pc-linux-gnu-g++ -c -O2 -pthread -Wall -Wextra -Wformat -Wformat-security -Wno-unused-parameter  -DBOOST_SPIRIT_THREADSAFE -D_FILE_OFFSET_BITS=64 -I/var/tmp/portage/net-p2p/bitcoind-0.8.6/work/bitcoin-0.8.6/src -I/var/tmp/portage/net-p2p/bitcoind-0.8.6/work/bitcoin-0.8.6/src/obj -I/usr/include/db4.8 -DUSE_IPV6=1 -DHAVE_BUILD_INFO -fno-stack-protector -fstack-protector-all -Wstack-protector -D_FORTIFY_SOURCE=2 -Os -march=corei7-avx -mno-avx -DLEVELDB_WITHOUT_MEMENV -MMD -MF obj/alert.d -o obj/alert.o alert.cpp
/bin/sh ../share/genbuild.sh obj/build.h
i686-pc-linux-gnu-g++ -c -O2 -pthread -Wall -Wextra -Wformat -Wformat-security -Wno-unused-parameter  -DBOOST_SPIRIT_THREADSAFE -D_FILE_OFFSET_BITS=64 -I/var/tmp/portage/net-p2p/bitcoind-0.8.6/work/bitcoin-0.8.6/src -I/var/tmp/portage/net-p2p/bitcoind-0.8.6/work/bitcoin-0.8.6/src/obj -I/usr/include/db4.8 -DUSE_IPV6=1 -DHAVE_BUILD_INFO -fno-stack-protector -fstack-protector-all -Wstack-protector -D_FORTIFY_SOURCE=2 -Os -march=corei7-avx -mno-avx -DLEVELDB_WITHOUT_MEMENV -MMD -MF obj/checkpoints.d -o obj/checkpoints.o checkpoints.cpp
i686-pc-linux-gnu-g++ -c -O2 -pthread -Wall -Wextra -Wformat -Wformat-security -Wno-unused-parameter  -DBOOST_SPIRIT_THREADSAFE -D_FILE_OFFSET_BITS=64 -I/var/tmp/portage/net-p2p/bitcoind-0.8.6/work/bitcoin-0.8.6/src -I/var/tmp/portage/net-p2p/bitcoind-0.8.6/work/bitcoin-0.8.6/src/obj -I/usr/include/db4.8 -DUSE_IPV6=1 -DHAVE_BUILD_INFO -fno-stack-protector -fstack-protector-all -Wstack-protector -D_FORTIFY_SOURCE=2 -Os -march=corei7-avx -mno-avx -DLEVELDB_WITHOUT_MEMENV -MMD -MF obj/netbase.d -o obj/netbase.o netbase.cpp
i686-pc-linux-gnu-g++ -c -O2 -pthread -Wall -Wextra -Wformat -Wformat-security -Wno-unused-parameter  -DBOOST_SPIRIT_THREADSAFE -D_FILE_OFFSET_BITS=64 -I/var/tmp/portage/net-p2p/bitcoind-0.8.6/work/bitcoin-0.8.6/src -I/var/tmp/portage/net-p2p/bitcoind-0.8.6/work/bitcoin-0.8.6/src/obj -I/usr/include/db4.8 -DUSE_IPV6=1 -DHAVE_BUILD_INFO -fno-stack-protector -fstack-protector-all -Wstack-protector -D_FORTIFY_SOURCE=2 -Os -march=corei7-avx -mno-avx -DLEVELDB_WITHOUT_MEMENV -MMD -MF obj/addrman.d -o obj/addrman.o addrman.cpp
i686-pc-linux-gnu-g++ -c -O2 -pthread -Wall -Wextra -Wformat -Wformat-security -Wno-unused-parameter  -DBOOST_SPIRIT_THREADSAFE -D_FILE_OFFSET_BITS=64 -I/var/tmp/portage/net-p2p/bitcoind-0.8.6/work/bitcoin-0.8.6/src -I/var/tmp/portage/net-p2p/bitcoind-0.8.6/work/bitcoin-0.8.6/src/obj -I/usr/include/db4.8 -DUSE_IPV6=1 -DHAVE_BUILD_INFO -fno-stack-protector -fstack-protector-all -Wstack-protector -D_FORTIFY_SOURCE=2 -Os -march=corei7-avx -mno-avx -DLEVELDB_WITHOUT_MEMENV -MMD -MF obj/crypter.d -o obj/crypter.o crypter.cpp
i686-pc-linux-gnu-g++ -c -O2 -pthread -Wall -Wextra -Wformat -Wformat-security -Wno-unused-parameter  -DBOOST_SPIRIT_THREADSAFE -D_FILE_OFFSET_BITS=64 -I/var/tmp/portage/net-p2p/bitcoind-0.8.6/work/bitcoin-0.8.6/src -I/var/tmp/portage/net-p2p/bitcoind-0.8.6/work/bitcoin-0.8.6/src/obj -I/usr/include/db4.8 -DUSE_IPV6=1 -DHAVE_BUILD_INFO -fno-stack-protector -fstack-protector-all -Wstack-protector -D_FORTIFY_SOURCE=2 -Os -march=corei7-avx -mno-avx -DLEVELDB_WITHOUT_MEMENV -MMD -MF obj/key.d -o obj/key.o key.cpp
i686-pc-linux-gnu-g++ -c -O2 -pthread -Wall -Wextra -Wformat -Wformat-security -Wno-unused-parameter  -DBOOST_SPIRIT_THREADSAFE -D_FILE_OFFSET_BITS=64 -I/var/tmp/portage/net-p2p/bitcoind-0.8.6/work/bitcoin-0.8.6/src -I/var/tmp/portage/net-p2p/bitcoind-0.8.6/work/bitcoin-0.8.6/src/obj -I/usr/include/db4.8 -DUSE_IPV6=1 -DHAVE_BUILD_INFO -fno-stack-protector -fstack-protector-all -Wstack-protector -D_FORTIFY_SOURCE=2 -Os -march=corei7-avx -mno-avx -DLEVELDB_WITHOUT_MEMENV -MMD -MF obj/db.d -o obj/db.o db.cpp
i686-pc-linux-gnu-g++ -c -O2 -pthread -Wall -Wextra -Wformat -Wformat-security -Wno-unused-parameter  -DBOOST_SPIRIT_THREADSAFE -D_FILE_OFFSET_BITS=64 -I/var/tmp/portage/net-p2p/bitcoind-0.8.6/work/bitcoin-0.8.6/src -I/var/tmp/portage/net-p2p/bitcoind-0.8.6/work/bitcoin-0.8.6/src/obj -I/usr/include/db4.8 -DUSE_IPV6=1 -DHAVE_BUILD_INFO -fno-stack-protector -fstack-protector-all -Wstack-protector -D_FORTIFY_SOURCE=2 -Os -march=corei7-avx -mno-avx -DLEVELDB_WITHOUT_MEMENV -MMD -MF obj/keystore.d -o obj/keystore.o keystore.cpp
i686-pc-linux-gnu-g++ -c -O2 -pthread -Wall -Wextra -Wformat -Wformat-security -Wno-unused-parameter  -DBOOST_SPIRIT_THREADSAFE -D_FILE_OFFSET_BITS=64 -I/var/tmp/portage/net-p2p/bitcoind-0.8.6/work/bitcoin-0.8.6/src -I/var/tmp/portage/net-p2p/bitcoind-0.8.6/work/bitcoin-0.8.6/src/obj -I/usr/include/db4.8 -DUSE_IPV6=1 -DHAVE_BUILD_INFO -fno-stack-protector -fstack-protector-all -Wstack-protector -D_FORTIFY_SOURCE=2 -Os -march=corei7-avx -mno-avx -DLEVELDB_WITHOUT_MEMENV -MMD -MF obj/main.d -o obj/main.o main.cpp
fatal: Not a git repository (or any parent up to mount point /var/tmp)
Stopping at filesystem boundary (GIT_DISCOVERY_ACROSS_FILESYSTEM not set).
i686-pc-linux-gnu-g++ -c -O2 -pthread -Wall -Wextra -Wformat -Wformat-security -Wno-unused-parameter  -DBOOST_SPIRIT_THREADSAFE -D_FILE_OFFSET_BITS=64 -I/var/tmp/portage/net-p2p/bitcoind-0.8.6/work/bitcoin-0.8.6/src -I/var/tmp/portage/net-p2p/bitcoind-0.8.6/work/bitcoin-0.8.6/src/obj -I/usr/include/db4.8 -DUSE_IPV6=1 -DHAVE_BUILD_INFO -fno-stack-protector -fstack-protector-all -Wstack-protector -D_FORTIFY_SOURCE=2 -Os -march=corei7-avx -mno-avx -DLEVELDB_WITHOUT_MEMENV -MMD -MF obj/net.d -o obj/net.o net.cpp
<command-line>:0:0: warning: "_FORTIFY_SOURCE" redefined [enabled by default]
<command-line>:0:0: warning: "_FORTIFY_SOURCE" redefined [enabled by default]
<command-line>:0:0: warning: "_FORTIFY_SOURCE" redefined [enabled by default]
<command-line>:0:0: warning: "_FORTIFY_SOURCE" redefined [enabled by default]
alert.cpp:1:0: note: this is the location of the previous definition
 //
 ^
checkpoints.cpp:1:0: note: this is the location of the previous definition
 // Copyright (c) 2009-2012 The Bitcoin developers
 ^
<command-line>:0:0: warning: "_FORTIFY_SOURCE" redefined [enabled by default]
crypter.cpp:1:0: note: this is the location of the previous definition
 // Copyright (c) 2009-2012 The Bitcoin Developers
 ^
netbase.cpp:1:0: note: this is the location of the previous definition
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 ^
addrman.cpp:1:0: note: this is the location of the previous definition
 // Copyright (c) 2012 Pieter Wuille
 ^
<command-line>:0:0: warning: "_FORTIFY_SOURCE" redefined [enabled by default]
<command-line>:0:0: warning: "_FORTIFY_SOURCE" redefined [enabled by default]
keystore.cpp:1:0: note: this is the location of the previous definition
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 ^
<command-line>:0:0: warning: "_FORTIFY_SOURCE" redefined [enabled by default]
init.cpp:1:0: note: this is the location of the previous definition
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 ^
net.cpp:1:0: note: this is the location of the previous definition
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 ^
<command-line>:0:0: warning: "_FORTIFY_SOURCE" redefined [enabled by default]
main.cpp:1:0: note: this is the location of the previous definition
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 ^
<command-line>:0:0: warning: "_FORTIFY_SOURCE" redefined [enabled by default]
db.cpp:1:0: note: this is the location of the previous definition
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 ^
<command-line>:0:0: warning: "_FORTIFY_SOURCE" redefined [enabled by default]
key.cpp:1:0: note: this is the location of the previous definition
 // Copyright (c) 2009-2012 The Bitcoin developers
 ^
<command-line>:0:0: warning: "_FORTIFY_SOURCE" redefined [enabled by default]
leveldb.cpp:1:0: note: this is the location of the previous definition
 // Copyright (c) 2012 The Bitcoin developers
 ^
i686-pc-linux-gnu-g++ -c -O2 -pthread -Wall -Wextra -Wformat -Wformat-security -Wno-unused-parameter  -DBOOST_SPIRIT_THREADSAFE -D_FILE_OFFSET_BITS=64 -I/var/tmp/portage/net-p2p/bitcoind-0.8.6/work/bitcoin-0.8.6/src -I/var/tmp/portage/net-p2p/bitcoind-0.8.6/work/bitcoin-0.8.6/src/obj -I/usr/include/db4.8 -DUSE_IPV6=1 -DHAVE_BUILD_INFO -fno-stack-protector -fstack-protector-all -Wstack-protector -D_FORTIFY_SOURCE=2 -Os -march=corei7-avx -mno-avx -DLEVELDB_WITHOUT_MEMENV -MMD -MF obj/protocol.d -o obj/protocol.o protocol.cpp
i686-pc-linux-gnu-g++ -c -O2 -pthread -Wall -Wextra -Wformat -Wformat-security -Wno-unused-parameter  -DBOOST_SPIRIT_THREADSAFE -D_FILE_OFFSET_BITS=64 -I/var/tmp/portage/net-p2p/bitcoind-0.8.6/work/bitcoin-0.8.6/src -I/var/tmp/portage/net-p2p/bitcoind-0.8.6/work/bitcoin-0.8.6/src/obj -I/usr/include/db4.8 -DUSE_IPV6=1 -DHAVE_BUILD_INFO -fno-stack-protector -fstack-protector-all -Wstack-protector -D_FORTIFY_SOURCE=2 -Os -march=corei7-avx -mno-avx -DLEVELDB_WITHOUT_MEMENV -MMD -MF obj/bitcoinrpc.d -o obj/bitcoinrpc.o bitcoinrpc.cpp
<command-line>:0:0: warning: "_FORTIFY_SOURCE" redefined [enabled by default]
<command-line>:0:0: warning: "_FORTIFY_SOURCE" redefined [enabled by default]
protocol.cpp:1:0: note: this is the location of the previous definition
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 ^
bitcoinrpc.cpp:1:0: note: this is the location of the previous definition
 // Copyright (c) 2010 Satoshi Nakamoto
 ^
i686-pc-linux-gnu-g++ -c -O2 -pthread -Wall -Wextra -Wformat -Wformat-security -Wno-unused-parameter  -DBOOST_SPIRIT_THREADSAFE -D_FILE_OFFSET_BITS=64 -I/var/tmp/portage/net-p2p/bitcoind-0.8.6/work/bitcoin-0.8.6/src -I/var/tmp/portage/net-p2p/bitcoind-0.8.6/work/bitcoin-0.8.6/src/obj -I/usr/include/db4.8 -DUSE_IPV6=1 -DHAVE_BUILD_INFO -fno-stack-protector -fstack-protector-all -Wstack-protector -D_FORTIFY_SOURCE=2 -Os -march=corei7-avx -mno-avx -DLEVELDB_WITHOUT_MEMENV -MMD -MF obj/rpcdump.d -o obj/rpcdump.o rpcdump.cpp
<command-line>:0:0: warning: "_FORTIFY_SOURCE" redefined [enabled by default]
rpcdump.cpp:1:0: note: this is the location of the previous definition
 // Copyright (c) 2009-2012 Bitcoin Developers
 ^
i686-pc-linux-gnu-g++ -c -O2 -pthread -Wall -Wextra -Wformat -Wformat-security -Wno-unused-parameter  -DBOOST_SPIRIT_THREADSAFE -D_FILE_OFFSET_BITS=64 -I/var/tmp/portage/net-p2p/bitcoind-0.8.6/work/bitcoin-0.8.6/src -I/var/tmp/portage/net-p2p/bitcoind-0.8.6/work/bitcoin-0.8.6/src/obj -I/usr/include/db4.8 -DUSE_IPV6=1 -DHAVE_BUILD_INFO -fno-stack-protector -fstack-protector-all -Wstack-protector -D_FORTIFY_SOURCE=2 -Os -march=corei7-avx -mno-avx -DLEVELDB_WITHOUT_MEMENV -MMD -MF obj/rpcnet.d -o obj/rpcnet.o rpcnet.cpp
i686-pc-linux-gnu-g++ -c -O2 -pthread -Wall -Wextra -Wformat -Wformat-security -Wno-unused-parameter  -DBOOST_SPIRIT_THREADSAFE -D_FILE_OFFSET_BITS=64 -I/var/tmp/portage/net-p2p/bitcoind-0.8.6/work/bitcoin-0.8.6/src -I/var/tmp/portage/net-p2p/bitcoind-0.8.6/work/bitcoin-0.8.6/src/obj -I/usr/include/db4.8 -DUSE_IPV6=1 -DHAVE_BUILD_INFO -fno-stack-protector -fstack-protector-all -Wstack-protector -D_FORTIFY_SOURCE=2 -Os -march=corei7-avx -mno-avx -DLEVELDB_WITHOUT_MEMENV -MMD -MF obj/rpcmining.d -o obj/rpcmining.o rpcmining.cpp
<command-line>:0:0: warning: "_FORTIFY_SOURCE" redefined [enabled by default]
rpcmining.cpp:1:0: note: this is the location of the previous definition
 // Copyright (c) 2010 Satoshi Nakamoto
 ^
<command-line>:0:0: warning: "_FORTIFY_SOURCE" redefined [enabled by default]
rpcnet.cpp:1:0: note: this is the location of the previous definition
 // Copyright (c) 2009-2012 Bitcoin Developers
 ^
i686-pc-linux-gnu-g++: internal compiler error: Killed (program cc1plus)
Please submit a full bug report,
with preprocessed source if appropriate.
See <https://bugs.gentoo.org/> for instructions.
make: *** [obj/bitcoinrpc.o] Error 4
make: *** Waiting for unfinished jobs....
 * ERROR: net-p2p/bitcoind-0.8.6::gentoo failed (compile phase):
 *   emake failed
 * 
 * If you need support, post the output of `emerge --info '=net-p2p/bitcoind-0.8.6::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=net-p2p/bitcoind-0.8.6::gentoo'`.
 * The complete build log is located at '/var/tmp/portage/net-p2p/bitcoind-0.8.6/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/net-p2p/bitcoind-0.8.6/temp/environment'.
 * Working directory: '/var/tmp/portage/net-p2p/bitcoind-0.8.6/work/bitcoin-0.8.6/src'
 * S: '/var/tmp/portage/net-p2p/bitcoind-0.8.6/work/bitcoin-0.8.6'