tce-load -i compiletc automake libtool-dev intltool gettext-dev libv4l2-dev gtk3-dev gobject-introspection-dev gtk3-gir

wget https://github.com/mchehab/zbar/archive/refs/tags/0.23.92.tar.gz

cd zbar-0.23.92

autoreconf -vfi

CC="gcc -march=armv6zk -mtune=arm1176jzf-s -mfpu=vfp -Os -pipe" CXX="g++ -march=armv6zk -mtune=arm1176jzf-s -mfpu=vfp -Os -pipe -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local --localstatedir=/var --disable-static [--with-gir does not work]

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

make [1m 39.02s]
sudo make install

gettext                yes
X                      --with-x=yes
pthreads               --enable-pthread=yes
doc                    --enable-doc=no
v4l                    --enable-video=yes
jpeg                   --with-jpeg=yes
Python                 --with-python=auto       python3.8
GTK                    --with-gtk=gtk3          Gtk3.24.17
GObject introspection  --with-gir=no
Qt                     --with-qt=no         
Java                   --with-java=no
Dbus                   --with-dbus=yes
ImageMagick            --with-imagemagick=no
Enabled codes:         ean databar code128 code93 code39 codabar i25 qrcode sqcode
Disabled codes:        pdf417

        => the zbarimg file scanner will *NOT* be built
        => the Qt widget will *NOT* be built
        => the Java interface will *NOT* be built
        => the Java unit test will *NOT* be enabled