see:
https://github.com/lanoxx/tilda
version 1.5.0 (2020-02-02):

git clone https://github.com/lanoxx/tilda.git

Build Dependencies:
    Glib >= 2.30 - http://developer.gnome.org/glib/2.30/
    Gtk+3 >= 3.0 - http://developer.gnome.org/gtk3/3.0/
    VTE >= 2.91 - http://developer.gnome.org/vte/0.30/
    libConfuse - http://www.nongnu.org/confuse/
    libx11-dev - http://www.x.org/wiki/

Install development dependencies (tce-load -i automake glib2-dev gtk3-dev vte-dev libX11-dev vte-dev.tcz)

export CFLAGS="-flto -fuse-linker-plugin -mtune=generic -Os -pipe"
export CXXFLAGS="-flto -fuse-linker-plugin -mtune=generic -Os -pipe -fno-exceptions -fno-rtti"

mkdir build
cd build
../autogen.sh --prefix=/usr/local
find . -name Makefile -type f -exec sed -i 's/-O2//g' {} \;
make --silent

Runtime dependencies: tilda.tcz.dep
gtk3.tcz
vte.tcz
libconfuse.tcz

submitqc --color --libs --fix --strip ./tilda.tcz

# get the extension files dates the same as tcz
for file in tilda.tcz.*; do touch --no-create --reference=tilda.tcz $file; done

# set the permissions
for file in tilda.*; do chmod 666 $file; done

#tar all necessary and optional files, example:
tar cvzf ./tilda.tar.gz ./tilda/

save this file with name compile_tilda