tce-load -i compiletc python3.8-meson exiv2-dev vala-dev gobject-introspection-dev [py3.6gobject-dev pygobject-dev]

https://download.gnome.org/sources/gexiv2/0.12/gexiv2-0.12.1.tar.xz

cd gexiv2-0.12.1

mkdir build
cd build

CC="gcc -march=armv8-a+crc -mtune=cortex-a72 -Os -pipe" CXX="g++ -march=armv8-a+crc -mtune=cortex-a72 -Os -pipe" meson --prefix=/usr/local --localstatedir=/var --buildtype=plain

[-fno-exceptions fails]

ninja [0m 22.52s]
sudo ninja install