feat: add cpm package manager to amp-devcontainer-cpp

.devcontainer/cpp/Dockerfile

@@ -3,6 +3,7 @@ FROM ubuntu:24.04@sha256:ab64a8382e935382638764d8719362bb50ee418d944c1f3d26e0c99
 ARG BATS_VERSION=1.11.0
 ARG CCACHE_VERSION=4.10.1
 ARG CLANG_VERSION=17
+ARG CPM_VERSION=0.40.2
 ARG DOCKER_VERSION=27.3.1
 ARG MULL_VERSION=0.22.0
 ARG INCLUDE_WHAT_YOU_USE_VERSION=0.21
@@ -36,6 +37,9 @@ ENV CMAKE_GENERATOR="Ninja"
 ENV CMAKE_EXPORT_COMPILE_COMMANDS="On"
 ENV CCACHE_DIR=/root/.ccache
 
+# Install CPM.cmake to the CMake module path
+RUN wget -qP /usr/local/lib/python*/dist-packages/cmake/data/share/cmake-*/Modules/ https://github.com/cpm-cmake/CPM.cmake/releases/download/v${CPM_VERSION}/CPM.cmake
+
 # Install clang toolchain
 COPY .devcontainer/cpp/apt-requirements-clang.json /tmp/apt-requirements-clang.json
 # hadolint ignore=SC1091

.devcontainer/cpp/test/CMakeLists.txt

@@ -9,5 +9,6 @@ add_subdirectory(clang-tools)
 add_subdirectory(fuzzing)
 add_subdirectory(gcc)
 add_subdirectory(gcc-arm-none-eabi)
+add_subdirectory(package-managers)
 add_subdirectory(sanitizers)
 add_subdirectory(test)

.devcontainer/cpp/test/CMakePresets.json

@@ -36,6 +36,13 @@
         "ENABLE_COVERAGE_TEST": "On"
       }
     },
+    {
+      "name": "cpm",
+      "inherits": "defaults",
+      "cacheVariables": {
+        "ENABLE_CPM_TEST": "On"
+      }
+    },
     {
       "name": "gcc",
       "inherits": "defaults"
@@ -81,6 +88,11 @@
       "configurePreset": "coverage",
       "targets": ["test-coverage"]
     },
+    {
+      "name": "cpm",
+      "configurePreset": "cpm",
+      "targets": ["test-cpm"]
+    },
     {
       "name": "fuzzing",
       "configurePreset": "clang",

.devcontainer/cpp/test/package-managers/CMakeLists.txt

@@ -0,0 +1 @@
+add_subdirectory(cpm)

.devcontainer/cpp/test/package-managers/cpm/CMakeLists.txt

@@ -0,0 +1,8 @@
+if (ENABLE_CPM_TEST)
+    include(CPM)
+
+    CPMAddPackage("gh:fmtlib/fmt#11.0.2")
+
+    add_executable(test-cpm EXCLUDE_FROM_ALL main.cpp)
+    target_link_libraries(test-cpm PRIVATE fmt::fmt)
+endif()

.devcontainer/cpp/test/package-managers/cpm/main.cpp

@@ -0,0 +1,7 @@
+#include <fmt/core.h>
+
+int main()
+{
+    fmt::print("Hello, world!\n");
+    return 0;
+}

.devcontainer/cpp/test/testsuite.bats

@@ -170,6 +170,11 @@ teardown() {
   build_and_run_with_sanitizers clang
 }
 
+@test "using CPM as package manager should resolve external dependencies" {
+  cmake --preset cpm
+  cmake --build --preset cpm
+}
+
 function configure_and_build_with_ccache() {
   local PRESET=${1:?}
 

.github/workflows/issue-creation-tool-versions.yml

@@ -55,6 +55,7 @@ jobs:
 
             - [ ] The [ARM GNU](https://developer.arm.com/downloads/-/arm-gnu-toolchain-downloads) toolchain is up to date and matches with the GCC version
             - [ ] The [Clang toolchain](https://apt.llvm.org/) is up to date
+            - [ ] The [CPM](https://github.com/cpm-cmake/CPM.cmake) package manager is up to date
             - [ ] The [Docker cli](https://download.docker.com/linux/static/stable/) is up to date
             - [ ] [bats-core](https://github.com/bats-core/bats-core), [bats-support](https://github.com/bats-core/bats-support) and [bats-assert](https://github.com/bats-core/bats-assert) are up to date
             - [ ] [Mull](https://github.com/mull-project/mull) is up to date and compatible with the currently installed Clang version