Updating CPM and version for 2.0.2 release (#570)

Author: sean-parent

CHANGES.md

@@ -1,3 +1,6 @@
+## v2.0.2 - 2025 - June 27
+  - See [the release notes](https://github.com/stlab/libraries/releases/tag/v2.0.2) for details.
+
 ## v2.0.0 - 2025 - June 27
   - See [the release notes](https://github.com/stlab/libraries/releases/tag/v2.0.0) for details.
 

CMakeLists.txt

@@ -1,26 +1,19 @@
 cmake_minimum_required(VERSION 3.23)
 
-project(stlab VERSION 2.0.1 LANGUAGES CXX)
+project(stlab VERSION 2.0.2 LANGUAGES CXX)
 
 # Create the main library target first
 add_library(stlab)
 add_library(stlab::stlab ALIAS stlab)
 
 ########################################################
 # Dependencies
-
-# download CPM.cmake
-file(
-    DOWNLOAD
-    https://github.com/cpm-cmake/CPM.cmake/releases/download/v0.40.8/CPM.cmake
-    ${CMAKE_CURRENT_BINARY_DIR}/cmake/CPM.cmake
-    EXPECTED_HASH SHA256=78ba32abdf798bc616bab7c73aac32a17bbd7b06ad9e26a6add69de8f3ae4791
-)
-include(${CMAKE_CURRENT_BINARY_DIR}/cmake/CPM.cmake)
-
 # Enable CPM caching to avoid re-downloading dependencies
 set(CPM_SOURCE_CACHE ${CMAKE_SOURCE_DIR}/.cpm-cache CACHE PATH "Directory to cache CPM packages" FORCE)
 
+include(cmake/CPM.cmake)
+
+
 # Add stlab-copy-on-write as a dependency
 CPMAddPackage("gh:stlab/[email protected]")
 target_link_libraries(stlab INTERFACE stlab::copy-on-write)

cmake/CPM.cmake

@@ -0,0 +1,24 @@
+# SPDX-License-Identifier: MIT
+#
+# SPDX-FileCopyrightText: Copyright (c) 2019-2023 Lars Melchior and contributors
+
+set(CPM_DOWNLOAD_VERSION 0.42.0)
+set(CPM_HASH_SUM "2020b4fc42dba44817983e06342e682ecfc3d2f484a581f11cc5731fbe4dce8a")
+
+if(CPM_SOURCE_CACHE)
+  set(CPM_DOWNLOAD_LOCATION "${CPM_SOURCE_CACHE}/cpm/CPM_${CPM_DOWNLOAD_VERSION}.cmake")
+elseif(DEFINED ENV{CPM_SOURCE_CACHE})
+  set(CPM_DOWNLOAD_LOCATION "$ENV{CPM_SOURCE_CACHE}/cpm/CPM_${CPM_DOWNLOAD_VERSION}.cmake")
+else()
+  set(CPM_DOWNLOAD_LOCATION "${CMAKE_BINARY_DIR}/cmake/CPM_${CPM_DOWNLOAD_VERSION}.cmake")
+endif()
+
+# Expand relative path. This is important if the provided path contains a tilde (~)
+get_filename_component(CPM_DOWNLOAD_LOCATION ${CPM_DOWNLOAD_LOCATION} ABSOLUTE)
+
+file(DOWNLOAD
+     https://github.com/cpm-cmake/CPM.cmake/releases/download/v${CPM_DOWNLOAD_VERSION}/CPM.cmake
+     ${CPM_DOWNLOAD_LOCATION} EXPECTED_HASH SHA256=${CPM_HASH_SUM}
+)
+
+include(${CPM_DOWNLOAD_LOCATION})