Most relevant configure and test flags: none, autodetected on armv8l-unknown-linux-gnueabihf

Full configure and make flags for each step:

# 04-build_abe-glibc
(cd /home/tcwg-buildslave/workspace/tcwg_gnu_3/abe/builds/armv8l-unknown-linux-gnueabihf/armv8l-unknown-linux-gnueabihf/glibc-glibc.git~master && /bin/bash /home/tcwg-buildslave/workspace/tcwg_gnu_3/abe/snapshots/glibc.git~master/configure SHELL=/bin/bash  --disable-profile --with-gd=no --with-headers=/home/tcwg-buildslave/workspace/tcwg_gnu_3/abe/builds/destdir/armv8l-unknown-linux-gnueabihf/libc/usr/include --without-selinux --enable-stack-protector=strong --enable-bind-now=yes --enable-fortify-source=2 --build=armv8l-unknown-linux-gnueabihf --host=armv8l-unknown-linux-gnueabihf --target=armv8l-unknown-linux-gnueabihf --prefix=/usr)
make SHELL=/bin/bash -w -C /home/tcwg-buildslave/workspace/tcwg_gnu_3/abe/builds/armv8l-unknown-linux-gnueabihf/armv8l-unknown-linux-gnueabihf/glibc-glibc.git~master  -j 64 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_3/abe/builds/armv8l-unknown-linux-gnueabihf/armv8l-unknown-linux-gnueabihf/glibc-glibc.git~master/make-glibc.log
make SHELL=/bin/bash  -w -C /home/tcwg-buildslave/workspace/tcwg_gnu_3/abe/builds/armv8l-unknown-linux-gnueabihf/armv8l-unknown-linux-gnueabihf/glibc-glibc.git~master info html 2>&1 | tee -a /home/tcwg-buildslave/workspace/tcwg_gnu_3/abe/builds/armv8l-unknown-linux-gnueabihf/armv8l-unknown-linux-gnueabihf/glibc-glibc.git~master/make-glibc.log