use CPM.cmake for testing

Author: gennesseaux

CMakeLists.txt

@@ -4,23 +4,6 @@
 #
 # ---------------------------------------------------------------------------- #
 
-# ---------------------------------------------------------------------------- #
-# CppMF projects are designed to apply modern CMake practice.
-# As such, a decent CMake version is used to benefit from all new features.
-#
-# Check CMake Release Notes:
-#   https://cmake.org/cmake/help/latest/release/3.21.html
-# ---------------------------------------------------------------------------- #
-cmake_minimum_required(VERSION 3.21 FATAL_ERROR)
-
-# ---------------------------------------------------------------------------- #
-# Project configuration
-# ---------------------------------------------------------------------------- #
-project(
-  GitInfo.cmake
-  LANGUAGES C CXX
-)
-
 # ---------------------------------------------------------------------------- #
 #
 # Following variables will be set when calling GitInfo
@@ -182,8 +165,8 @@ function(GitInfo source)
 endfunction()
 
 
-# Display info
-function(GitInfoInfo)
+# Report git information
+function(GitInfoReport)
   message(STATUS "")
   message(STATUS "----------------------------------------------------")
   message(STATUS "                 GitInfo.cmake")

test/CMakeLists.txt

@@ -7,10 +7,11 @@
 # ---------------------------------------------------------------------------- #
 cmake_minimum_required(VERSION 3.21 FATAL_ERROR)
 
+# Make use of GetCPM.cmake
+include(${CMAKE_CURRENT_LIST_DIR}/cmake/GetCPM.cmake)
 
-# Add the directory containing the main CMakeLists file
-# and declare the output directory
-add_subdirectory(${CMAKE_CURRENT_LIST_DIR}/.. ${CMAKE_CURRENT_BINARY_DIR}/GitInfoCmake)
+# Add Version.cmake package
+CPMAddPackage(NAME GitInfo.cmake SOURCE_DIR ${CMAKE_CURRENT_LIST_DIR}/..)
 
 
 # ---------------------------------------------------------------------------- #
@@ -23,7 +24,7 @@ GitInfo(${CMAKE_CURRENT_SOURCE_DIR}/..)
 # Project configuration
 # ---------------------------------------------------------------------------- #
 project(
-  test_app
+  TestApp
   VERSION 1.0.0
   LANGUAGES CXX
 )
@@ -33,18 +34,18 @@ project(
 # Display git info
 # ---------------------------------------------------------------------------- #
 if(GIT_INFO_CMAKE_INFO)
-  GitInfoInfo()
+  GitInfoReport()
 endif()
 
 
 # ---------------------------------------------------------------------------- #
 # Pass definition to compiler
 # ---------------------------------------------------------------------------- #
 if(GIT_REVISION)
-    add_definitions(-DGIT_REVISION="${GIT_REVISION}")
+  add_definitions(-DGIT_REVISION="${GIT_REVISION}")
 endif()
 if(GIT_REVISION_NAME)
-    add_definitions(-DGIT_REVISION_NAME="${GIT_REVISION_NAME}")
+  add_definitions(-DGIT_REVISION_NAME="${GIT_REVISION_NAME}")
 endif()
 
 

test/cmake/GetCPM.cmake

@@ -0,0 +1,40 @@
+# This script is part of CPM.cmake under the following license
+#
+# MIT License
+# Copyright (c) 2019 Lars Melchior
+#
+
+# define CPM version if not set
+if(NOT CPM_CMAKE_VERSION)
+  set(CPM_CMAKE_VERSION 0.34.0)
+endif()
+
+# Set the cpm.cmake version to use
+# Check for the latest version at : https://github.com/TheLartians/CPM.cmake/releases
+set(CPM_DOWNLOAD_VERSION ${CPM_CMAKE_VERSION})
+
+# Define where to store the downloaded version of cpm.cmake
+# You can define where to store by source packages by defining CPM_SOURCE_CACHE
+# If not, it will be stored in the default location
+if(CPM_SOURCE_CACHE)
+  # Expand relative path. This is important if the provided path contains a tilde (~)
+  get_filename_component(CPM_SOURCE_CACHE ${CPM_SOURCE_CACHE} ABSOLUTE)
+  # Define download location
+  set(CPM_DOWNLOAD_LOCATION "${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()
+
+# If cpm.cmake is not found in the cache location, it is then downloaded from github release
+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
+       ${CPM_DOWNLOAD_LOCATION}
+  )
+endif()
+
+# It is finally be added to CMake module search path
+include(${CPM_DOWNLOAD_LOCATION})

test/scripts/build.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+
+# Build the test project
+cmake -S ".." -B "../build" -DGIT_INFO_CMAKE_INFO=ON
+cmake --build "../build"
+cmake --build "../build" --target test

test/scripts/clean.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+
+# Clear all files
+rm -rf ../build

test/scripts/setup.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+# Create cmake directory
+mkdir -p ../cmake
+
+# Download GetCPM.cmake
+wget -O ../cmake/GetCPM.cmake https://raw.githubusercontent.com/cppmf/GetCPM.cmake/master/GetCPM.cmake