Compiling tmux from scratch

build.sh

#!/usr/bin/env bash
set -euo pipefail

# (Loosely) based on https://gist.github.com/mbreese/b0630195e57874c87ef3611d059d1bc2


# clean up
rm -rf bin _build _install


# setup
TARGETDIR="$PWD/_install"
mkdir _build && cd _build


# libevent
curl -LO https://github.com/libevent/libevent/releases/download/release-2.1.12-stable/libevent-2.1.12-stable.tar.gz
tar -zxvf libevent-2.1.12-stable.tar.gz
cd libevent-2.1.12-stable

./configure \
  --prefix=$TARGETDIR
make && make install

cd ..


# ncurses
curl -LO https://github.com/mirror/ncurses/archive/v6.2.tar.gz
tar -zxvf v6.2.tar.gz
cd ncurses-6.2

./configure \
  --prefix $TARGETDIR \
  --with-default-terminfo-dir=/usr/share/terminfo \
  --with-terminfo-dirs="/etc/terminfo:/lib/terminfo:/usr/share/terminfo" \
  --enable-pc-files \
  --with-pkg-config-libdir=$TARGETDIR/local/lib/pkgconfig
make && make install

cd ..


# tmux
curl -LO https://github.com/tmux/tmux/releases/download/3.1b/tmux-3.1b.tar.gz
tar -zxvf tmux-3.1b.tar.gz
cd tmux-3.1b

PKG_CONFIG_PATH=$TARGETDIR/lib/pkgconfig ./configure \
  --prefix=$TARGETDIR
make && make install

cd ..


# finalize
cd ..

mkdir bin
cat <<EOT >> bin/tmux
LD_LIBRARY_PATH=$TARGETDIR/lib $PWD/_install/bin/tmux "$@"
EOT

echo "export PATH=\"$PWD/bin/:\$PATH\""