add a sample to use cmake package

this sample specifically aims to test the top-level CMakeLists.txt,
which traditionally has weak coverage.

cf.
#2686
#4290

Author: yamt

samples/printversion/CMakeLists.txt

@@ -0,0 +1,10 @@
+# Copyright (C) 2025 Midokura Japan KK.  All rights reserved.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+
+cmake_minimum_required(VERSION 3.16)
+
+project(printversion LANGUAGES C)
+
+add_executable(printversion printversion.c)
+find_package(iwasm REQUIRED)
+target_link_libraries(printversion iwasm::vmlib)

samples/printversion/printversion.c

@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) 2023 Midokura Japan KK.  All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#include <inttypes.h>
+#include <stdint.h>
+#include <stdio.h>
+
+#include <wasm_export.h>
+
+int
+main(int argc, char **argv)
+{
+    uint32_t major;
+    uint32_t minor;
+    uint32_t patch;
+    wasm_runtime_get_version(&major, &minor, &patch);
+    printf("wasm-micro-runtime %" PRIu32 ".%" PRIu32 ".%" PRIu32 "\n", major,
+           minor, patch);
+}

samples/printversion/test.sh

@@ -0,0 +1,24 @@
+#! /bin/sh
+
+# Copyright (C) 2025 Midokura Japan KK.  All rights reserved.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+
+set -e
+
+DIST=$(mktemp -d)
+
+# WAMR_BUILD_SIMD=0 to avoid fetching simde, which is
+# not relevant to this particular test.
+cmake -B build-wamr \
+-D CMAKE_INSTALL_PREFIX=${DIST} \
+-D WAMR_BUILD_SIMD=0 \
+../..
+cmake --build build-wamr -t install
+
+cmake -B build-app \
+-D CMAKE_PREFIX_PATH=${DIST} \
+-D CMAKE_INSTALL_PREFIX=${DIST} \
+.
+cmake --build build-app
+
+./build-app/printversion