CMakeLists.txt

cmake_minimum_required(VERSION 3.14...3.22)

project(
  qcec
  LANGUAGES CXX
  DESCRIPTION "MQT QCEC - A tool for Quantum Circuit Equivalence Checking")

# enable organization of targets into folders
set_property(GLOBAL PROPERTY USE_FOLDERS ON)

# configuration options
option(DEPLOY "Configure for deployment")
option(BINDINGS "Configure for building Python bindings")
option(COVERAGE "Configure for coverage report generation")
option(GENERATE_POSITION_INDEPENDENT_CODE "Generate position independent code")
option(BUILD_QCEC_TESTS "Also build tests for QMAP project")

if(DEFINED ENV{DEPLOY})
  set(DEPLOY
      $ENV{DEPLOY}
      CACHE BOOL "Use deployment configuration from environment" FORCE)
  message(STATUS "Setting deployment configuration to '${DEPLOY}' from environment")
endif()

# set deployment specific options
if(DEPLOY)
  # set the macOS deployment target appropriately
  set(CMAKE_OSX_DEPLOYMENT_TARGET
      "10.15"
      CACHE STRING "" FORCE)
endif()

# build type settings
set(DEFAULT_BUILD_TYPE "Release")
if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
  message(STATUS "Setting build type to '${DEFAULT_BUILD_TYPE}' as none was specified.")
  set(CMAKE_BUILD_TYPE
      "${default_build_type}"
      CACHE STRING "Choose the type of build." FORCE)
  set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release" "MinSizeRel"
                                               "RelWithDebInfo")
endif()

# check whether the submodule ``modulename`` is correctly cloned in the ``/extern`` directory.
macro(CHECK_SUBMODULE_PRESENT modulename)
  if(NOT EXISTS "${PROJECT_SOURCE_DIR}/extern/${modulename}/CMakeLists.txt")
    message(
      FATAL_ERROR
        "${modulename} submodule not cloned properly. \
        Please run `git submodule update --init --recursive` \
        from the main project directory")
  endif()
endmacro()

check_submodule_present(qfr)

# add main library code
add_subdirectory(src)

# add test code
if(BUILD_QCEC_TESTS)
  enable_testing()
  include(GoogleTest)
  add_subdirectory(test)
endif()

# add Python binding code
if(BINDINGS)
  add_subdirectory(mqt/qcec)
endif()