Using built-in specs.
COLLECT_GCC=/tmp/android-aarch64-4.9-2014-05-27/toolchains/aarch64-linux-android-4.9/prebuilt/linux-x86_64//bin/aarch64-linux-android-gcc
COLLECT_LTO_WRAPPER=/tmp/android-aarch64-4.9-2014-05-27/toolchains/aarch64-linux-android-4.9/prebuilt/linux-x86_64/bin/../libexec/gcc/aarch64-linux-android/4.9/lto-wrapper
Target: aarch64-linux-android
Configured with: /tmp/AOSP-toolchain/build/../gcc/gcc-4.9/configure --prefix=/tmp/toolchain-build-aarch64-linux-4.9/prefix --target=aarch64-linux-android --host=x86_64-linux-gnu --build=x86_64-linux-gnu --with-gnu-as --with-gnu-ld --enable-languages=c,c++ --with-gmp=/tmp/toolchain-build-aarch64-linux-4.9/temp-install --with-mpfr=/tmp/toolchain-build-aarch64-linux-4.9/temp-install --with-mpc=/tmp/toolchain-build-aarch64-linux-4.9/temp-install --with-cloog=/tmp/toolchain-build-aarch64-linux-4.9/temp-install --with-isl=/tmp/toolchain-build-aarch64-linux-4.9/temp-install --with-ppl=/tmp/toolchain-build-aarch64-linux-4.9/temp-install --disable-ppl-version-check --disable-cloog-version-check --disable-isl-version-check --enable-cloog-backend=isl --with-host-libstdcxx='-static-libgcc -Wl,-Bstatic,-lstdc++,-Bdynamic -lm' --disable-libssp --enable-threads --disable-nls --disable-libmudflap --disable-libgomp --disable-libstdc__-v3 --disable-sjlj-exceptions --disable-shared --disable-tls --disable-libitm --enable-initfini-array --disable-nls --prefix=/tmp/toolchain-build-aarch64-linux-4.9/prefix --with-sysroot=/tmp/toolchain-build-aarch64-linux-4.9/prefix/sysroot --with-binutils-version=2.24 --with-mpfr-version=3.1.1 --with-mpc-version=1.0.1 --with-gmp-version=5.0.5 --with-gcc-version=4.9 --with-gdb-version=7.7 --with-gxx-include-dir=/tmp/toolchain-build-aarch64-linux-4.9/prefix/include/c++/4.9 --with-bugurl=http://source.android.com/source/report-bugs.html --disable-bootstrap --disable-libquadmath --enable-plugins --enable-libgomp --disable-libsanitizer --enable-gold --enable-graphite=yes --with-cloog-version=0.18.0 --with-isl-version=0.11.1 --enable-eh-frame-hdr-for-static --disable-gold --program-transform-name='s&^&aarch64-linux-android-&'
Thread model: posix
gcc version 4.9 20140514 (prerelease) (GCC) 

gcc:
commit 8f2898c09773292b6ba523cee7e528a320ff1e02
Merge: 41a5130 04ad5b9
Author: Andrew Hsieh <andrewhsieh@google.com>

    Merge "[4.8, 4.9] Fix aarch64/arm_neon.h vqdmulh_n_s16"

binutils:
commit e0bca373a85fa71b89d9ea42370433b3c0499b9d
Author: Andrew Hsieh <andrewhsieh@google.com>

    [2.24] fix MIPS static executable segfault

gdb:
commit b80f01cebf5b2eceedf6aadaeb39aa6a4d0b584c
Author: Ben Cheng <bccheng@google.com>

    [7.7] patches to compile gdbserver with uapi headers.

gmp:
commit e6b9669dafc6a5f83c80b4b4176359b78bccdc90
Author: David 'Digit' Turner <digit@google.com>

    Add gmp-5.0.5.tar.bz2

mpfr:
commit bfcf1bfa38469208aaad8873cd4c68781061d90f
Author: Andrew Hsieh <andrewhsieh@google.com>

    add mpfr-3.1.1.tar.bz2

build:
commit 75542e77b565c2af968e48c1b12b32f343d913ae
Author: Andrew Hsieh <andrewhsieh@google.com>

    Fix binutils-2.24 detection

expat:
commit 40172a0ae9d40a068f1e1a48ffcf6a1ccf765ed5
Author: Jing Yu <jingyu@google.com>

    expat package for building gdb-7.3