Big script

toolchain/scripts/111-m4.sh

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+#!/bin/bash
+# ============================================================================
+# DarkForge Linux — Phase 3, Chapter 8.14: M4
+# ============================================================================
+# Purpose:  Build and install m4, the macro processing language.
+#           M4 is a dependency for autoconf/automake and other build tools.
+#           Required for building other packages in Phase 3+.
+# Inputs:   /sources/m4-1.4.21.tar.xz
+# Outputs:  /usr/bin/m4
+# Ref:      LFS 13.0 §8.14
+# ============================================================================
+
+set -euo pipefail
+source /sources/toolchain-scripts/100-chroot-env.sh
+
+PACKAGE="m4"
+VERSION="1.4.21"
+
+echo "=== Building ${PACKAGE}-${VERSION} (Phase 3) ==="
+
+pkg_extract "${PACKAGE}-${VERSION}.tar.xz"
+cd "${PACKAGE}-${VERSION}"
+
+# Configure m4 for the target system
+./configure --prefix=/usr
+
+# Build m4
+make
+
+# Run tests to ensure build is correct
+make check
+
+# Install m4
+make install
+
+# Verify installation
+if [ -x /usr/bin/m4 ]; then
+    echo "PASS: m4 binary installed"
+else
+    echo "FAIL: m4 binary not found"
+    exit 1
+fi
+
+# Test m4
+echo "define(HELLO, Hello World)" | /usr/bin/m4 | grep -q "Hello World" && \
+    echo "PASS: m4 works correctly"
+
+pkg_cleanup "${PACKAGE}-${VERSION}"
+echo "=== ${PACKAGE}-${VERSION} complete ==="