tce-load -i compiletc pcre-dev

cd qpdf-7.0.0

CC="gcc -march=armv6zk -mtune=arm1176jzf-s -mfpu=vfp -Os -pipe" CXX="g++ -march=armv6zk -mtune=arm1176jzf-s -mfpu=vfp -Os -pipe" ./configure --prefix=/usr/local --disable-static

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

make [5m 10.00s]
sudo make install