#!/bin/bash
# ============================================================================
# DarkForge Linux — Phase 3, Chapter 8.17: Tcl
# ============================================================================
# Purpose:  Build Tcl (Tool Command Language), a scripting language needed
#           by expect and dejagnu for running test suites.
# Inputs:   /sources/tcl8.6.16-src.tar.gz
# Outputs:  Tcl library and binary in /usr
# Ref:      LFS 13.0 §8.17
# ============================================================================

set -euo pipefail
source /sources/toolchain-scripts/100-chroot-env.sh

PACKAGE="tcl8.6.16"
VERSION="8.6.16"

echo "=== Building ${PACKAGE} (Phase 3) ==="

pkg_extract "${PACKAGE}-src.tar.gz"
cd "${PACKAGE}/unix"

# Configure Tcl with optimizations for our hardware
./configure \
    --prefix=/usr \
    --enable-64bit \
    --enable-threads

make
make install

# Make the library accessible and create symbolic links
make install-private-headers
ln -sv tclsh8.6 /usr/bin/tclsh

# Verify installation
echo "Tcl version: $(/usr/bin/tclsh --version)"

cd "${SRCDIR}"
pkg_cleanup "${PACKAGE}"
echo "=== ${PACKAGE} complete ==="