tce-load -i compiletc cmake gpgme-dev

wget https://www.gnupg.org/ftp/gcrypt/gpgmepp/gpgmepp-2.0.0.tar.xz

cd gpgmepp-2.0.0

mkdir build
cd build

cmake -LAH -DCMAKE_C_FLAGS_RELEASE="-flto -march=armv8-a+crc -mtune=cortex-a72 -Os -pipe" -DCMAKE_CXX_FLAGS_RELEASE="-flto -march=armv8-a+crc -mtune=cortex-a72 -Os -pipe -DNDEBUG" -DCMAKE_INSTALL_PREFIX=/usr/local -DCMAKE_BUILD_TYPE=Release -DCMAKE_VERBOSE_MAKEFILE=TRUE ../

make [0m 52.25s]
make install