Big script

toolchain/scripts/120-mpfr.sh

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+#!/bin/bash
+# ============================================================================
+# DarkForge Linux — Phase 3, Chapter 8.23: MPFR (Multiple Precision Float)
+# ============================================================================
+# Purpose:  Build MPFR, a library for arbitrary-precision floating-point
+#           arithmetic. Required by GCC for advanced floating-point operations.
+# Inputs:   /sources/mpfr-4.2.2.tar.xz
+#           GMP already installed
+# Outputs:  MPFR library in /usr/lib, headers in /usr/include
+# Ref:      LFS 13.0 §8.23
+# ============================================================================
+
+set -euo pipefail
+source /sources/toolchain-scripts/100-chroot-env.sh
+
+PACKAGE="mpfr"
+VERSION="4.2.2"
+
+echo "=== Building ${PACKAGE}-${VERSION} (Phase 3) ==="
+
+pkg_extract "${PACKAGE}-${VERSION}.tar.xz"
+cd "${PACKAGE}-${VERSION}"
+
+# Configure MPFR with GMP support already in place
+./configure \
+    --prefix=/usr \
+    --disable-static \
+    --enable-thread-safe
+
+make
+make html
+make install
+make install-html
+
+# Verify installation
+echo "MPFR version: $(grep -o 'define MPFR_VERSION_MAJOR [0-9]*' src/mpfrversion.h | awk '{print $NF}').$(grep -o 'define MPFR_VERSION_MINOR [0-9]*' src/mpfrversion.h | awk '{print $NF}')"
+
+cd "${SRCDIR}"
+pkg_cleanup "${PACKAGE}-${VERSION}"
+echo "=== ${PACKAGE}-${VERSION} complete ==="