Most relevant configure and test flags: none, autodetected on aarch64-unknown-linux-gnu

Full configure and make flags for each step:

# 03-build_abe-bootstrap
(cd /home/tcwg-buildslave/workspace/tcwg_gnu_2/abe/builds/aarch64-unknown-linux-gnu/aarch64-unknown-linux-gnu/gcc-gcc.git~master-stage2 && /bin/bash /home/tcwg-buildslave/workspace/tcwg_gnu_2/abe/snapshots/gcc.git~master/configure SHELL=/bin/bash  --with-mpc=/home/tcwg-buildslave/workspace/tcwg_gnu_2/abe/builds/destdir/aarch64-unknown-linux-gnu --with-mpfr=/home/tcwg-buildslave/workspace/tcwg_gnu_2/abe/builds/destdir/aarch64-unknown-linux-gnu --with-gmp=/home/tcwg-buildslave/workspace/tcwg_gnu_2/abe/builds/destdir/aarch64-unknown-linux-gnu --with-gnu-as --with-gnu-ld --disable-libmudflap --enable-lto --enable-shared --without-included-gettext --enable-nls --with-system-zlib --disable-sjlj-exceptions --enable-gnu-unique-object --enable-linker-build-id --disable-libstdcxx-pch --enable-c99 --enable-clocale=gnu --enable-libstdcxx-debug --enable-long-long --with-cloog=no --with-ppl=no --with-isl=no --disable-multilib --enable-fix-cortex-a53-835769 --enable-fix-cortex-a53-843419 --with-arch=armv8-a --enable-threads=posix --enable-multiarch --enable-libstdcxx-time=yes --enable-gnu-indirect-function --enable-checking=yes --enable-bootstrap --enable-languages=default --prefix=/home/tcwg-buildslave/workspace/tcwg_gnu_2/abe/builds/destdir/aarch64-unknown-linux-gnu )
make SHELL=/bin/bash -w -C /home/tcwg-buildslave/workspace/tcwg_gnu_2/abe/builds/aarch64-unknown-linux-gnu/aarch64-unknown-linux-gnu/gcc-gcc.git~master-stage2  -j 64 LDFLAGS_FOR_TARGET="-Wl,-fix-cortex-a53-843419"  CFLAGS_FOR_BUILD="-pipe -g -O2" CXXFLAGS_FOR_BUILD="-pipe -g -O2" LDFLAGS_FOR_BUILD="-static-libgcc" MAKEINFOFLAGS=--force 2>&1 | tee -a /home/tcwg-buildslave/workspace/tcwg_gnu_2/abe/builds/aarch64-unknown-linux-gnu/aarch64-unknown-linux-gnu/gcc-gcc.git~master-stage2/make-gcc-stage2.log
make install  -w -C /home/tcwg-buildslave/workspace/tcwg_gnu_2/abe/builds/aarch64-unknown-linux-gnu/aarch64-unknown-linux-gnu/gcc-gcc.git~master-stage2 2>&1 | tee -a /home/tcwg-buildslave/workspace/tcwg_gnu_2/abe/builds/aarch64-unknown-linux-gnu/aarch64-unknown-linux-gnu/gcc-gcc.git~master-stage2/make-gcc-stage2.log

# 04-build_abe-dejagnu
(cd /home/tcwg-buildslave/workspace/tcwg_gnu_2/abe/builds/aarch64-unknown-linux-gnu/aarch64-unknown-linux-gnu/dejagnu-dejagnu.git~linaro-local~stable && /bin/bash /home/tcwg-buildslave/workspace/tcwg_gnu_2/abe/snapshots/dejagnu.git~linaro-local~stable/configure SHELL=/bin/bash   --build=aarch64-unknown-linux-gnu --host=aarch64-unknown-linux-gnu --prefix=/home/tcwg-buildslave/workspace/tcwg_gnu_2/abe/builds/hosttools/aarch64-unknown-linux-gnu)
make SHELL=/bin/bash -w -C /home/tcwg-buildslave/workspace/tcwg_gnu_2/abe/builds/aarch64-unknown-linux-gnu/aarch64-unknown-linux-gnu/dejagnu-dejagnu.git~linaro-local~stable  -j 64 LDFLAGS_FOR_TARGET="-Wl,-fix-cortex-a53-843419"  CFLAGS_FOR_BUILD="-pipe -g -O2" CXXFLAGS_FOR_BUILD="-pipe -g -O2" LDFLAGS_FOR_BUILD="-static-libgcc" 2>&1 | tee -a /home/tcwg-buildslave/workspace/tcwg_gnu_2/abe/builds/aarch64-unknown-linux-gnu/aarch64-unknown-linux-gnu/dejagnu-dejagnu.git~linaro-local~stable/make-dejagnu.log
make install  -w -C /home/tcwg-buildslave/workspace/tcwg_gnu_2/abe/builds/aarch64-unknown-linux-gnu/aarch64-unknown-linux-gnu/dejagnu-dejagnu.git~linaro-local~stable 2>&1 | tee -a /home/tcwg-buildslave/workspace/tcwg_gnu_2/abe/builds/aarch64-unknown-linux-gnu/aarch64-unknown-linux-gnu/dejagnu-dejagnu.git~linaro-local~stable/make-dejagnu.log

# 05-build_abe-check_bootstrap
make check FLAGS_UNDER_TEST="" PREFIX_UNDER_TEST="/home/tcwg-buildslave/workspace/tcwg_gnu_2/abe/builds/destdir/aarch64-unknown-linux-gnu/bin/aarch64-unknown-linux-gnu-" QEMU_WRAPPER=/home/tcwg-buildslave/workspace/tcwg_gnu_2/abe/scripts/qemu-wrapper.sh QEMU_CPU_UNDER_TEST=any ABE_TEST_CONTAINER=local  CFLAGS_FOR_BUILD="-pipe" CXXFLAGS_FOR_BUILD="-pipe" -j 64  -w -i -k -C /home/tcwg-buildslave/workspace/tcwg_gnu_2/abe/builds/aarch64-unknown-linux-gnu/aarch64-unknown-linux-gnu/gcc-gcc.git~master-stage2/ >> /home/tcwg-buildslave/workspace/tcwg_gnu_2/abe/builds/aarch64-unknown-linux-gnu/aarch64-unknown-linux-gnu/gcc-gcc.git~master-stage2/check-gcc.log 2>&1
make check-gcc-c++ FLAGS_UNDER_TEST="" PREFIX_UNDER_TEST="/home/tcwg-buildslave/workspace/tcwg_gnu_2/abe/builds/destdir/aarch64-unknown-linux-gnu/bin/aarch64-unknown-linux-gnu-" QEMU_WRAPPER=/home/tcwg-buildslave/workspace/tcwg_gnu_2/abe/scripts/qemu-wrapper.sh QEMU_CPU_UNDER_TEST=any ABE_TEST_CONTAINER=local  CFLAGS_FOR_BUILD="-pipe" CXXFLAGS_FOR_BUILD="-pipe" -j 64 RUNTESTFLAGS=" g++.dg/dg.exp g++.target/aarch64/aarch64.exp" -w -i -k -C /home/tcwg-buildslave/workspace/tcwg_gnu_2/abe/builds/aarch64-unknown-linux-gnu/aarch64-unknown-linux-gnu/gcc-gcc.git~master-stage2/ >> /home/tcwg-buildslave/workspace/tcwg_gnu_2/abe/builds/aarch64-unknown-linux-gnu/aarch64-unknown-linux-gnu/gcc-gcc.git~master-stage2/check-gcc.log 2>&1
make check-gcc-c++ FLAGS_UNDER_TEST="" PREFIX_UNDER_TEST="/home/tcwg-buildslave/workspace/tcwg_gnu_2/abe/builds/destdir/aarch64-unknown-linux-gnu/bin/aarch64-unknown-linux-gnu-" QEMU_WRAPPER=/home/tcwg-buildslave/workspace/tcwg_gnu_2/abe/scripts/qemu-wrapper.sh QEMU_CPU_UNDER_TEST=any ABE_TEST_CONTAINER=local  CFLAGS_FOR_BUILD="-pipe" CXXFLAGS_FOR_BUILD="-pipe" -j 64 RUNTESTFLAGS=" g++.dg/dg.exp" -w -i -k -C /home/tcwg-buildslave/workspace/tcwg_gnu_2/abe/builds/aarch64-unknown-linux-gnu/aarch64-unknown-linux-gnu/gcc-gcc.git~master-stage2/ >> /home/tcwg-buildslave/workspace/tcwg_gnu_2/abe/builds/aarch64-unknown-linux-gnu/aarch64-unknown-linux-gnu/gcc-gcc.git~master-stage2/check-gcc.log 2>&1