Big script

toolchain/scripts/119-gmp.sh

@@ -0,0 +1,40 @@
+#!/bin/bash
+# ============================================================================
+# DarkForge Linux — Phase 3, Chapter 8.22: GMP (GNU Multiple Precision)
+# ============================================================================
+# Purpose:  Build GMP, a library for arbitrary-precision arithmetic.
+#           Required by GCC for floating-point operations in the compiler.
+# Inputs:   /sources/gmp-6.3.0.tar.xz
+# Outputs:  GMP library in /usr/lib, headers in /usr/include
+# Ref:      LFS 13.0 §8.22
+# ============================================================================
+
+set -euo pipefail
+source /sources/toolchain-scripts/100-chroot-env.sh
+
+PACKAGE="gmp"
+VERSION="6.3.0"
+
+echo "=== Building ${PACKAGE}-${VERSION} (Phase 3) ==="
+
+pkg_extract "${PACKAGE}-${VERSION}.tar.xz"
+cd "${PACKAGE}-${VERSION}"
+
+# Build GMP with optimization for x86_64 (znver5 will inherit from CFLAGS)
+# --enable-cxx: build C++ bindings for GCC
+./configure \
+    --prefix=/usr \
+    --enable-cxx \
+    --disable-static
+
+make
+make html
+make install
+make install-html
+
+# Verify installation
+echo "GMP version: $(/usr/bin/gmp-config --version 2>/dev/null || echo 'GMP installed')"
+
+cd "${SRCDIR}"
+pkg_cleanup "${PACKAGE}-${VERSION}"
+echo "=== ${PACKAGE}-${VERSION} complete ==="