CMakeLists.txt

cmake_minimum_required(VERSION 3.5.0)
project(jmatlib CXX)
include(CheckCXXCompilerFlag)

#Let's build shared libs (*.so)
OPTION (BUILD_SHARED_LIBS "Build shared libraries." ON)
OPTION (CHECK_MATRIX_BOUNDS "Compile with checks for matrix bounds" OFF)

#Detect compiler and act accordingly
if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang" OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
    option(CMAKE_CXX_VERBOSE "Verbose compilation output?" OFF)
    option(CMAKE_LD_VERBOSE "Verbose linking output?" OFF)

    if(CHECK_MATRIX_BOUNDS)
	    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DWITH_CHECKS_MATRIX")
    endif()

    if(CMAKE_CXX_VERBOSE)
        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --verbose")
    endif()
    if(CMAKE_LD_VERBOSE)
        set(CMAKE_EXE_LINKER_FLAGS "-Wl,--as-needed -Wl,--trace -Wl,--threads -Wl,--stats ${CMAKE_EXE_LINKER_FLAGS}")
    endif()

    check_cxx_compiler_flag(-Wall HAVE_WALL)
    if (HAVE_WALL)
        #enable all warnings
        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall")
    endif()

    #First check for C++17; if not check for C++14 as fallback
    check_cxx_compiler_flag(-std=c++17 COMPILER_SUPPORTS_CXX17)
    if(COMPILER_SUPPORTS_CXX17)
      set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17")
    elseif(NOT COMPILER_SUPPORTS_CXX17)
        check_cxx_compiler_flag(-std=c++14 COMPILER_SUPPORTS_CXX14)
        if(COMPILER_SUPPORTS_CXX14)
              set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14")
        endif()
    else()
      message(STATUS "The compiler ${CMAKE_CXX_COMPILER} has no C++17 or 14 support. Please use a different C++ compiler.")
    endif()
    elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Intel")
      # using Intel C++
endif()

#find_package(package_name version REQUIRED)
#EXAMPLE! ->
#find_package( Boost 1.60 COMPONENTS system filesystem REQUIRED )
#include_directories( ${Boost_INCLUDE_DIR} )

#Conditional compilation, platform specific code
#if(some_platform_here)
#	include_directories("include/some_platform_here")
#endif()

SET(CMAKE_BUILD_DIR ./)
add_subdirectory(src/library)
add_subdirectory(src/headers)
add_subdirectory(src/examples)