Install tmux and dependencies from source on a Linux system with no root access

install_tmux_non_root.sh

#!/bin/bash

# Set the installation directory
INSTALL_DIR=$HOME/.local

# Install libevent from source
mkdir -p ~/libevent-src
cd ~/libevent-src
wget https://github.com/libevent/libevent/releases/download/release-2.1.12-stable/libevent-2.1.12-stable.tar.gz
tar -xvf libevent-2.1.12-stable.tar.gz
cd libevent-2.1.12-stable
./configure --prefix=$INSTALL_DIR --disable-openssl
make
make install

# Install ncurses from source
mkdir -p ~/ncurses-src
cd ~/ncurses-src
wget https://ftp.gnu.org/pub/gnu/ncurses/ncurses-6.2.tar.gz
tar -xvf ncurses-6.2.tar.gz
cd ncurses-6.2
./configure --prefix=$INSTALL_DIR
make
make install

# Set environment variables for the libevent and ncurses installations
export CFLAGS="-I$INSTALL_DIR/include -I$INSTALL_DIR/include/ncurses"
export LDFLAGS="-L$INSTALL_DIR/lib"
export LD_LIBRARY_PATH=$INSTALL_DIR/lib:$LD_LIBRARY_PATH
export PKG_CONFIG_PATH=$INSTALL_DIR/lib/pkgconfig:$PKG_CONFIG_PATH
export TERMINFO=$INSTALL_DIR/share/terminfo

# Install tmux from source
mkdir -p ~/tmux-src
cd ~/tmux-src
wget https://github.com/tmux/tmux/releases/download/3.2a/tmux-3.2a.tar.gz
tar -xvf tmux-3.2a.tar.gz
cd tmux-3.2a
./configure --prefix=$INSTALL_DIR CFLAGS="$CFLAGS" LDFLAGS="$LDFLAGS"
make
make install

# Add tmux to PATH
if ! grep -q "$INSTALL_DIR/bin" ~/.bashrc; then
    echo "export PATH=$INSTALL_DIR/bin:\$PATH" >> ~/.bashrc
    source ~/.bashrc
fi