install.cmake

## download a stable cmakepp release
set(git_uri "https://github.com/toeb/cmakepp")
set(installation_dir "${CMAKE_CURRENT_BINARY_DIR}/cmakepp")
set(cmakepp_uri "${git_uri}/releases/download/v0.0.3/cmakepp.cmake")
set(target_file "${CMAKE_CURRENT_BINARY_DIR}/__cmakepp.cmake")

message(STATUS "Installing CMake++")

## downloads an old stable version of cmakepp
## includes it and deletes the file.

file(DOWNLOAD "${cmakepp_uri}" "${target_file}" STATUS status)
if(NOT "${status}" MATCHES "0;")
  message(FATAL_ERROR "failed to download cmakepp")
endif()  

include("${target_file}")
file(REMOVE "${target_file}")




message(STATUS "\n installation_dir: ${installation_dir}")

## uses git functionality of cmakepp v0.0.3 
## to download the current git repository
git(clone "${git_uri}.git" "${installation_dir}")


## sets up the environment for cmakepp 
## (adds path, export, aliases,... (not too intrusive - just a bit))
pushd("${installation_dir}")
  cmake(-P cmakepp.cmake cmakepp_setup_environment)
popd()

message(STATUS "Install Complete - re-login for changes to take effect")