#!/bin/bash
# ============================================================================
# DarkForge Linux — Phase 3, Chapter 8: gawk
# ============================================================================
# Purpose:  Build gawk (GNU awk — pattern scanning and text processing).
#           Essential build tool used in many package builds.
# Inputs:   /sources/gawk-5.3.1.tar.xz
# Outputs:  gawk and awk binaries in /usr/bin/, libraries in /usr/lib/
# Assumes:  Running inside chroot
# Ref:      LFS 13.0 §8.63
# ============================================================================

set -euo pipefail

source /sources/toolchain-scripts/100-chroot-env.sh

PACKAGE="gawk"
VERSION="5.3.1"

echo "=== Building ${PACKAGE}-${VERSION} ==="

cd /sources
tar -xf "${PACKAGE}-${VERSION}.tar.xz"
cd "${PACKAGE}-${VERSION}"

sed -i 's/extras//' Makefile.in

./configure --prefix=/usr

make
# Optional: run tests
# make check || true
make install

# Create symlink for awk
ln -sfv gawk /usr/bin/awk

# Create symlink in /usr/share/doc/gawk-VERSION/
mkdir -pv /usr/share/doc/gawk-${VERSION}
cp -v doc/{awkforinit.txt,awkuser.txt,pm*.pdf} /usr/share/doc/gawk-${VERSION}

cd /sources
rm -rf "${PACKAGE}-${VERSION}"
echo "=== ${PACKAGE}-${VERSION} complete ==="