add script for making prebuild packages

Author: maximmaxim345

.gitignore

@@ -33,3 +33,4 @@ compile_commands.json
 .cache/
 example/dist
 broken_example/dist
+prebuild

make_prebuild.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+set -e
+rm -rf ./prebuild/wasm32-unknown-unknown-libcxx
+mkdir -p ./prebuild
+cmake -GNinja -S. -Bprebuild/build -DCMAKE_INSTALL_PREFIX=$(pwd)/prebuild/wasm32-unknown-unknown-libcxx --fresh
+cmake --build prebuild/build
+cmake --install prebuild/build
+rm -rf ./prebuild/wasm32-unknown-unknown-libcxx.zip
+rm -rf ./prebuild/wasm32-unknown-unknown-libcxx.tar.gz
+pushd ./prebuild
+zip -r wasm32-unknown-unknown-libcxx.zip wasm32-unknown-unknown-libcxx
+tar caf wasm32-unknown-unknown-libcxx.tar.gz wasm32-unknown-unknown-libcxx
+popd