tce-load -i compiletc

https://github.com/unicode-org/icu/releases/download/release-64-2/icu4c-64_2-src.tgz

cd icu/source

comment out the LDFLAGSICUDT flag in /icu/source/config/mh-linux

CC="gcc -march=armv6zk -mtune=arm1176jzf-s -mfpu=vfp -Os -pipe" CXX="g++ -march=armv6zk -mtune=arm1176jzf-s -mfpu=vfp -Os -pipe -fno-exceptions" ./configure --prefix=/usr/local --localstatedir=/var

[-fno-rtti fails]

find . -name icudefs.mk -type f -exec sed -i 's/-O2//g' {} \;
find . -name Makefile -type f -exec sed -i 's/-O2//g' {} \;

make [30m 54.16s]
sudo make install