add script to build and install libcxx

libcxx.sh

@@ -0,0 +1,58 @@
+#!/usr/bin/env bash
+#   Copyright (C) 2024 John Törnblom
+#
+# This file is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; see the file COPYING. If not see
+# <http://www.gnu.org/licenses/>.
+
+LLVM_URL="https://github.com/llvm/llvm-project/releases/download"
+LLVM_VER="18.1.4"
+
+if [[ -z "$PS5_PAYLOAD_SDK" ]]; then
+    echo "error: PS5_PAYLOAD_SDK is not set"
+    exit 1
+fi
+
+source ${PS5_PAYLOAD_SDK}/toolchain/prospero.sh || exit 1
+
+TEMPDIR=$(mktemp -d)
+trap 'rm -rf -- "$TEMPDIR"' EXIT
+
+wget -O $TEMPDIR/llvm.tar.xz \
+     $LLVM_URL/llvmorg-$LLVM_VER/llvm-project-$LLVM_VER.src.tar.xz || exit 1
+tar xf $TEMPDIR/llvm.tar.xz -C $TEMPDIR || exit 1
+
+${CMAKE} -S $TEMPDIR/llvm-project-$LLVM_VER.src/runtimes \
+	 -B $TEMPDIR/build \
+	 -DCMAKE_INSTALL_PREFIX="${PS5_SYSROOT}" \
+	 -DCMAKE_BUILD_TYPE=Release \
+	 -DCMAKE_CXX_FLAGS="-nostdlib++" \
+	 -DLLVM_ENABLE_RUNTIMES="libunwind;libcxxabi;libcxx" \
+	 -DLIBCXX_ENABLE_STATIC=YES \
+	 -DLIBCXX_ENABLE_RTTI=YES \
+	 -DLIBCXX_ENABLE_EXCEPTIONS=YES \
+	 -DLIBCXX_ENABLE_SHARED=NO \
+	 -DLIBCXX_ENABLE_ABI_LINKER_SCRIPT=NO \
+	 -DLIBCXX_CXX_ABI=libcxxabi \
+	 -DLIBCXXABI_ENABLE_STATIC=YES \
+	 -DLIBCXXABI_ENABLE_EXCEPTIONS=YES \
+	 -DLIBCXXABI_ENABLE_THREADS=YES \
+	 -DLIBCXXABI_USE_LLVM_UNWINDER=YES \
+	 -DLIBCXXABI_ENABLE_SHARED=NO \
+	 -DLIBCXXABI_USE_COMPILER_RT=NO \
+	 -DLIBUNWIND_ENABLE_STATIC=YES \
+	 -DLIBUNWIND_ENABLE_THREADS=YES \
+	 -DLIBUNWIND_IS_BAREMETAL=YES \
+	 -DLIBUNWIND_ENABLE_SHARED=NO \
+	 -DLIBUNWIND_USE_COMPILER_RT=NO || exit 1
+${MAKE} -C $TEMPDIR/build install DESTDIR="/"