Sample cmake thirdparty + ide for a C++ project

build.sh

cmake .
make -j8

CMakeLists.txt

cmake_minimum_required(VERSION 3.25.0)
project(HelloWorld)

# Enable for IDE
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

# Download thirdparty
include(FetchContent)
FetchContent_Declare(
    tomlplusplus
    GIT_REPOSITORY https://github.com/marzer/tomlplusplus.git
    GIT_TAG v3.4.0
)
FetchContent_MakeAvailable(tomlplusplus)

# Include thirdparty headers
include_directories(${tomlplusplus_SOURCE_DIR})

# Compile
add_executable(HelloWorld main.cc)

gistfile1.txt

if(NOT EXISTS "${VENDOR_DIR}/argparse")
  file(
    DOWNLOAD "https://github.com/p-ranav/argparse/archive/refs/tags/v3.0.tar.gz"
    "${VENDOR_DIR}/argparser.tgz"
    TIMEOUT 5
    TLS_VERIFY ON)
  execute_process(
    COMMAND "${CMAKE_COMMAND}" -E tar xzf "${VENDOR_DIR}/argparser.tgz"
    WORKING_DIRECTORY "${VENDOR_DIR}")
  execute_process(COMMAND "${CMAKE_COMMAND}" -E rename
                          "${VENDOR_DIR}/argparse-3.0" "${VENDOR_DIR}/argparse")
  execute_process(COMMAND "${CMAKE_COMMAND}" -E remove
                          "${VENDOR_DIR}/argparser.tgz")
endif()

sample.cc

#include <iostream>
#include <toml.hpp>

int main() {
  std::cout << "Hello World!" << std::endl;

  toml::table tbl;
  try {
    tbl = toml::parse_file("a.toml");
    std::cout << tbl << std::endl;
  } catch (const toml::parse_error &err) {
    std::cout << err << std::endl;
    return 1;
  }

  return 0;
}