Big script

toolchain/scripts/124-libcap.sh

@@ -0,0 +1,39 @@
+#!/bin/bash
+# ============================================================================
+# DarkForge Linux — Phase 3, Chapter 8.27: Libcap (POSIX Capabilities)
+# ============================================================================
+# Purpose:  Build libcap, a library for managing POSIX capabilities on
+#           executables. Used for privilege separation without full root.
+#           Required by various system tools and by polkit (for privilege escalation).
+# Inputs:   /sources/libcap-2.76.tar.xz
+# Outputs:  libcap library in /usr/lib, utilities in /usr/sbin
+# Ref:      LFS 13.0 §8.27
+# ============================================================================
+
+set -euo pipefail
+source /sources/toolchain-scripts/100-chroot-env.sh
+
+PACKAGE="libcap"
+VERSION="2.76"
+
+echo "=== Building ${PACKAGE}-${VERSION} (Phase 3) ==="
+
+pkg_extract "${PACKAGE}-${VERSION}.tar.xz"
+cd "${PACKAGE}-${VERSION}"
+
+# Prevent static linking (we want shared libraries)
+sed -i '/^LIBDIR/s/lib/lib/' Makefile
+
+# Build and install with optimizations
+make lib=lib
+make lib=lib DESTDIR=/ install
+
+# Install headers
+install -Dm644 libcap/include/sys/capability.h /usr/include/sys/capability.h
+
+# Verify installation
+echo "libcap version: $(/usr/sbin/getcap -V 2>&1 || echo 'libcap installed')"
+
+cd "${SRCDIR}"
+pkg_cleanup "${PACKAGE}-${VERSION}"
+echo "=== ${PACKAGE}-${VERSION} complete ==="