Add internal tests for socket apis (#1900)

core/iwasm/libraries/lib-socket/test/build.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+# Copyright (C) 2023 Amazon.com Inc. or its affiliates. All rights reserved.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+
+set -ueo pipefail
+CC="${CC:=/opt/wasi-sdk/bin/clang}"
+files=("tcp_udp.c" "nslookup.c")
+WASI_SYSROOT=${WASI_SYSROOT:=~/dev/wasi-libc/sysroot}
+
+for file in "${files[@]}"
+do
+    echo $file
+    $CC \
+        --target=wasm32-wasi-threads \
+        -I../inc \
+        --sysroot $WASI_SYSROOT \
+        ../src/wasi/wasi_socket_ext.c -pthread -ftls-model=local-exec \
+        -Wl,--allow-undefined \
+        -Wl,--strip-all,--no-entry \
+        -Wl,--export=__heap_base \
+        -Wl,--export=__data_end \
+        -Wl,--shared-memory,--max-memory=10485760 \
+        -Wl,--export=malloc \
+        -Wl,--export=free \
+        -o "${file%.*}.wasm" "$file"
+done