You can compile tkhtml3 like this: tce-load -i compiletc git python3.14-dev
git clone https://github.com/olebole/tkhtml3
cd tkhtml3
mkdir build
cd build
CC="gcc -flto -mtune=generic -Os -pipe -std=c99 -fcommon -Wno-implicit-function-declaration" CXX="g++ -flto -mtune=generic -Os -pipe -fno-exceptions -fno-rtti" ../configure --prefix=/usr/local --disable-static --localstatedir=/var
find . -name Makefile -type f -exec sed -i 's/-O2//g' {} \;
make
sudo make install