tce-load -i compiletc [wxwidgetsgtk3-dev]
 
https://downloads.sourceforge.net/p7zip/p7zip_16.02_src_all.tar.bz2

cd p7zip_16.02

cp makefile.linux_any_cpu makefile.machine
edit makefile.machine
CC="gcc -flto -fuse-linker-plugin -march=i486 -mtune=i686 -Os -pipe
CXX="g++ -flto -fuse-linker-plugin -march=i486 -mtune=i686 -Os -pipe

make all3 [3m 34.00s]
sudo make DEST_HOME=/usr/local DEST_MAN=/usr/local/share/man DEST_SHARE_DOC=/usr/local/share/doc/p7zip-16.02 install



git clone https://github.com/ErnyTech/p7zip

cd p7zip

make all_all