How to install the latest Gauche Scheme on an old Ubuntu: bash$ git clone https://github.com/shirok/get-gauche.git bash$ shasum -a 256 get-gauche/get-gauche.sh 20d0c995de9e299c1f80acf19b607fc371624240b9d53fe0b0e282a29a705b66 get-gauche/get-gauche.sh bash$ get-gauche/get-gauche.sh --system Gauche is not found on the system. Install Gauche 0.9.8 under /usr? [y/N]: y Start installing Gauche 0.9.8... ⋮ build took about five minutes on MacOSX 10.11 Intel 2.2 GHz Core i7 VirtualBox Ubuntu 16.04.6 LTS ⋮ bash$ hash -r bash$ gosh gosh> (+ 3 4) 7 Peace —Devon P.S. I like how it generates standard gates… bash$ cd StdCellLib/Catalog bash$ make catalog _ __ ___ _ __ ___ ___ _ __ _ __ | '_ \ / _ \| '_ \ / __/ _ \| '__| '_ \ | |_) | (_) | |_) | (_| (_) | | | | | | | .__/ \___/| .__/ \___\___/|_| |_| |_| |_| run: |_| Sat, 16 Nov 2019 07:56:46 +0000 ../Tools/popcorn/popcorn -l 2 -b 4 -D "2-input Not-OR (or NOR) gate" -m nor -c NOR2 INV > NOR2 ../Tools/popcorn/popcorn -l 2 -b 4 -D "2-1-input AND-OR-Invert gate" -m aoi -c AOI21 NOR2 > AOI21 ../Tools/popcorn/popcorn -l 2 -b 4 -D "2-2-input AND-AND-OR-Invert gate" -m nand -c AAOI22 AOI21 > AAOI22 ../Tools/popcorn/popcorn -l 4 -b 4 -D "2-input Not-AND (or NAND) gate" -m nand -c NAND2 INV > NAND2 ⋮