--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/libc++/libc++.sh	Wed Oct 27 11:32:16 2021 +0200
@@ -0,0 +1,71 @@
+#!/bin/sh
+#
+# Copyright (c) 2019 David Demelier <markand@malikania.fr>
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+#
+
+PKGNAME=libc++
+PKGVERSION=9.0.0
+PKGREVISION=1
+PKGLICENSE="MIT CUSTOM"
+PKGSUMMARY="C++ standard library from LLVM"
+PKGDOWNLOAD="http://releases.llvm.org/$PKGVERSION/libcxx-$PKGVERSION.src.tar.xz"
+PKGOPTIONS="ABI COMPILER_RT LIBUNWIND "
+PKGPRESERVE="lib/libc++.so.1.0"
+
+: ${CC:=clang}
+: ${CFLAGS:=-O2}
+: ${CXX:=clang++}
+: ${CXXFLAGS:=-O2}
+: ${ABI:=libcxxabi}
+: ${COMPILER_RT:=yes}
+: ${LIBUNWIND:=yes}
+
+if [ "$COMPILER_RT" = "yes" ]; then
+	with_compiler_rt="-DLIBCXX_USE_COMPILER_RT=On"
+else
+	with_compiler_rt="-DLIBCXX_USE_COMPILER_RT=Off"
+fi
+
+if [ "$LIBUNWIND" = "yes" ]; then
+	with_libunwind="-DLIBCXXABI_USE_LLVM_UNWINDER=On"
+else
+	with_libunwind="-DLIBCXXABI_USE_LLVM_UNWINDER=Off"
+fi
+
+build()
+{
+	rm -rf libcxx-$PKGVERSION.src
+	tar xvf libcxx-$PKGVERSION.src.tar.xz
+	cd libcxx-$PKGVERSION.src
+
+	mkdir build && cd build
+	cmake .. \
+		-DCMAKE_BUILD_TYPE=Release \
+		-DCMAKE_CXX_COMPILER="$CXX" \
+		-DCMAKE_CXX_FLAGS="$CXXFLAGS" \
+		-DCMAKE_C_COMPILER="$CC" \
+		-DCMAKE_C_FLAGS="$CFLAGS" \
+		-DCMAKE_INSTALL_PREFIX= \
+		-DLIBCXX_CXX_ABI=$ABI \
+		-DLIBCXX_HAS_MUSL_LIBC=On \
+		$with_compiler_rt \
+		$with_libunwind
+	make
+	make install DESTDIR=$DESTDIR
+	cd ..
+
+	cd ..
+	rm -rf libcxx-$PKGVERSION.src
+}