CMakeLists.txt

cmake_minimum_required(VERSION 3.3)
set(CMAKE_DISABLE_SOURCE_CHANGES ON)
set(CMAKE_DISABLE_IN_SOURCE_BUILD ON)
project(libmc)
set(CMAKE_BUILD_TYPE debug)
enable_testing()

option(BUILD_SAMPLES "Build the sample programs" ON)
option(BUILD_DOCUMENTATION "Build the documentation" OFF)
option(BUILD_SCREENSHOTS "Generate screenshots for the documentation" OFF)
option(BUILD_COVERAGE "Generate gcov code coverage reports" OFF)

set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")

include_directories(SYSTEM
    "${CMAKE_CURRENT_SOURCE_DIR}/include"
    )

if(DEFINED ENV{EMSCRIPTEN})
  if(CMAKE_BUILD_TYPE MATCHES debug)
    set(EMSCRIPTEN_FLAGS
        "-O1"
        "-s ASSERTIONS=2"
        "-s SAFE_HEAP=1"
        "-s STACK_OVERFLOW_CHECK=2"
        "-s DISABLE_EXCEPTION_CATCHING=0"
        "-s ALLOW_MEMORY_GROWTH=1"
       )
    string (REPLACE ";" " " EMSCRIPTEN_FLAGS "${EMSCRIPTEN_FLAGS}")
    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${EMSCRIPTEN_FLAGS}")
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${EMSCRIPTEN_FLAGS}")
    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${EMSCRIPTEN_FLAGS}")
  elseif(CMAKE_BUILD_TYPE MATCHES release)
    set(EMSCRIPTEN_FLAGS
        "-O2"
        "-s ASSERTIONS=0"
        "-s SAFE_HEAP=0"
        "-s STACK_OVERFLOW_CHECK=0"
        "-s DISABLE_EXCEPTION_CATCHING=1"
        "-s ALLOW_MEMORY_GROWTH=0"
       )
    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${EMSCRIPTEN_FLAGS}")
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${EMSCRIPTEN_FLAGS}")
    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${EMSCRIPTEN_FLAGS}")
  else()
    message(FATAL_ERROR "Unknown build type: ${CMAKE_BUILD_TYPE}")
  endif()
  # Use C++11 everywhere with Emscripten
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
  # C++ demangle support with Emscripten
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -s DEMANGLE_SUPPORT=1")
endif()

if(BUILD_COVERAGE)
  SET(GCC_COVERAGE_COMPILE_FLAGS "-fprofile-arcs -ftest-coverage")
  SET(GCC_COVERAGE_LINK_FLAGS    "-lgcov")
  SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${GCC_COVERAGE_COMPILE_FLAGS}")
  SET(CMAKE_C_FLAGS "${CMAKE_CXX_FLAGS} ${GCC_COVERAGE_COMPILE_FLAGS}")
  SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_CXX_FLAGS} ${GCC_COVERAGE_LINK_FLAGS}")
endif()

if(BUILD_PROFILE)
  SET(GCC_PROFILE_COMPILE_FLAGS "-pg")
  SET(GCC_PROFILE_LINK_FLAGS    "-pg")
  SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${GCC_PROFILE_COMPILE_FLAGS}")
  SET(CMAKE_C_FLAGS "${CMAKE_CXX_FLAGS} ${GCC_PROFILE_COMPILE_FLAGS}")
  SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_CXX_FLAGS} ${GCC_PROFILE_LINK_FLAGS}")
endif()

add_subdirectory("./src")