Big script

toolchain/scripts/112-bc.sh

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+#!/bin/bash
+# ============================================================================
+# DarkForge Linux — Phase 3, Chapter 8.15: Bc
+# ============================================================================
+# Purpose:  Build and install bc, an arbitrary-precision arithmetic language.
+#           Bc is a small but useful calculator utility for scripts and users.
+# Inputs:   /sources/bc-7.0.3.tar.xz
+# Outputs:  /usr/bin/bc, /usr/bin/dc
+# Ref:      LFS 13.0 §8.15
+# ============================================================================
+
+set -euo pipefail
+source /sources/toolchain-scripts/100-chroot-env.sh
+
+PACKAGE="bc"
+VERSION="7.0.3"
+
+echo "=== Building ${PACKAGE}-${VERSION} (Phase 3) ==="
+
+pkg_extract "${PACKAGE}-${VERSION}.tar.xz"
+cd "${PACKAGE}-${VERSION}"
+
+# Configure bc for the target system
+# Note: bc's configure script is unusual; it's a custom ./configure
+./configure --prefix=/usr \
+    -G \
+    -O2 \
+    --mandir=/usr/share/man
+
+# Build bc
+# The -j flag for make often doesn't work with bc's custom build system
+# So we don't use it here
+make
+
+# Run tests
+make test
+
+# Install bc
+make install
+
+# Verify installation
+if [ -x /usr/bin/bc ]; then
+    echo "PASS: bc binary installed"
+else
+    echo "FAIL: bc binary not found"
+    exit 1
+fi
+
+if [ -x /usr/bin/dc ]; then
+    echo "PASS: dc binary installed"
+else
+    echo "FAIL: dc binary not found"
+    exit 1
+fi
+
+# Test bc
+echo "2 + 2" | /usr/bin/bc | grep -q "4" && echo "PASS: bc works correctly"
+
+pkg_cleanup "${PACKAGE}-${VERSION}"
+echo "=== ${PACKAGE}-${VERSION} complete ==="