Update used CPM.cmake version

Author: ClausKlein

.github/workflows/style.yml

@@ -19,7 +19,7 @@ jobs:
       - name: Setup cmake
         uses: jwlawson/actions-setup-cmake@v1.13
         with:
-          cmake-version: 3.18.4
+          cmake-version: 3.24.4
 
       - uses: actions/setup-python@v4
         with:

.github/workflows/test.yml

@@ -27,7 +27,7 @@ jobs:
       - name: Setup cmake
         uses: jwlawson/actions-setup-cmake@v1.13
         with:
-          cmake-version: 3.18.4
+          cmake-version: 3.24.4
 
       - name: test and install local build
         run: |
@@ -57,7 +57,7 @@ jobs:
       - name: Setup cmake
         uses: jwlawson/actions-setup-cmake@v1.13
         with:
-          cmake-version: 3.18.4
+          cmake-version: 3.24.4
 
       - name: build for packaging
         run: |

.gitignore

@@ -1,4 +1,5 @@
-/build
+.*.swp
+build/
 /out
 /.vs
 /.cache

test/transitive_dependency/cmake/CPM.cmake

@@ -1,21 +1,24 @@
-set(CPM_DOWNLOAD_VERSION 0.35.5)
+# SPDX - License - Identifier : MIT
+#
+# SPDX - FileCopyrightText : Copyright(c) 2019 - 2023 Lars Melchior and contributors
+
+set(CPM_DOWNLOAD_VERSION 0.40.6)
+set(CPM_HASH_SUM "3440292907e35353bf0761049d3680e9ed0031443c8ebeb9cbb6a421c4550ec1")
 
 if(CPM_SOURCE_CACHE)
-  # Expand relative path. This is important if the provided path contains a tilde (~)
-  get_filename_component(CPM_SOURCE_CACHE ${CPM_SOURCE_CACHE} ABSOLUTE)
   set(CPM_DOWNLOAD_LOCATION "${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")
+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()
 
-if(NOT (EXISTS ${CPM_DOWNLOAD_LOCATION}))
-  message(STATUS "Downloading CPM.cmake to ${CPM_DOWNLOAD_LOCATION}")
-  file(DOWNLOAD
-       https://github.com/TheLartians/CPM.cmake/releases/download/v${CPM_DOWNLOAD_VERSION}/CPM.cmake
-       ${CPM_DOWNLOAD_LOCATION}
-  )
-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})