#!/bin/bash
# ============================================================================
# DarkForge Linux — Phase 3, Chapter 8.12: Readline
# ============================================================================
# Purpose:  Build and install the readline library.
#           Readline provides command-line editing and history to programs like
#           bash, gdb, and many other interactive tools.
# Inputs:   /sources/readline-8.3.tar.gz
# Outputs:  /usr/lib/libreadline.so, /usr/include/readline/readline.h
# Ref:      LFS 13.0 §8.12
# ============================================================================

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

PACKAGE="readline"
VERSION="8.3"

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

pkg_extract "${PACKAGE}-${VERSION}.tar.gz"
cd "${PACKAGE}-${VERSION}"

# Configure readline for the target system
# --with-curses: Use ncurses for terminal handling
# --disable-static: Build only shared libraries (smaller install)
./configure --prefix=/usr \
    --disable-static \
    --with-curses

# Build readline
make SHLIB_LIBS="-lncurses"

# Install readline
make SHLIB_LIBS="-lncurses" install

# Install documentation
install -v -m644 doc/*.{ps,pdf,html,dvi} /usr/share/doc/readline-${VERSION}

# Verify installation
if [ -f /usr/lib/libreadline.so ]; then
    echo "PASS: libreadline.so installed"
else
    echo "FAIL: libreadline.so not found"
    exit 1
fi

pkg_cleanup "${PACKAGE}-${VERSION}"
echo "=== ${PACKAGE}-${VERSION} complete ==="