cmake_minimum_required(VERSION 2.8.7)
project(HelloWorld)

find_package(CMakeAll 1.2 REQUIRED)

cma_add_projects("/source/dir/ProjectA.cmake")

cma_add_projects(ProjectB ProjectC ProjectD
  PREFIX "${PROJECT_SOURCE_DIR}/"
  SUFFIX ".cmake")

cma_configure_projects()
cma_configure_launcher()
cma_print_projects()

set(EP_REQUIRED_PROJECTS ProjectB)
set(EP_URL "https://github.com/organization/ProjectA.git")

cma_end_definition()

ExternalProject_Add(${EP_NAME}
  DEPENDS ${EP_REQUIRED_PROJECTS}
  GIT_REPOSITORY ${EP_URL}
  GIT_SHALLOW ON
  GIT_TAG "v1.0"
  SOURCE_DIR ${PROJECT_BINARY_DIR}/${EP_NAME}
  CMAKE_ARGS -DCMAKE_BUILD_TYPE:STRING=Relase
  BINARY_DIR ${PROJECT_BINARY_DIR}/${EP_NAME}-build
  INSTALL_COMMAND "")

set(EP_NAME "${FILENAME}")    # project name
set(EP_REQUIRED_PROJECTS "")  # list of required projects
set(EP_REQUIRED_OPTIONS "")   # list of required options
set(EP_URL)                   # URL(s) of remote location to be verified
set(EP_PATCH "")              # patch file to apply

set(EP_OPTION_NAME "${DIRNAME}_${EP_NAME}")  # project CMake option
set(EP_OPTION_DEFAULT OFF)                   # default value of option
set(EP_OPTION_DEPENDENT OFF)                 # hide option until requirements are met
set(EP_OPTION_DESCRIPTION "")                # option description
set(EP_OPTION_ADVANCED OFF)                  # mark option as advanced

cma_envvar(PATH PREPEND @BINARY_DIR@/@LIBDIR@/@INTDIR@)

# variables that expand at build-time
set(INTDIR "@INTDIR@")
set(LIBDIR "@LIBDIR@")
set(SOURCE_DIR "@SOURCE_DIR@")
set(BINARY_DIR "@BINARY_DIR@")
set(INSTALL_DIR "@INSTALL_DIR@")

find_package(CMakeAll 1.2 REQUIRED)

list(APPEND CMAKE_MODULE_PATH "/path/to/FindCMakeAll.cmake")
find_package(CMakeAll 1.2 REQUIRED)