set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
set(CMAKE_CXX_STANDARD 11)

set(CMAKE_C_STANDARD 99)
set(CMAKE_C_STANDARD_REQUIRED ON)

if ("${CMAKE_BUILD_TYPE}" STREQUAL "")
    set(CMAKE_BUILD_TYPE Release)
endif()

if (CMAKE_BUILD_TYPE STREQUAL "Release")
    add_definitions(/DNDEBUG)
endif()

include(CheckSymbolExists)

if (CMAKE_CXX_COMPILER_ID MATCHES GNU)

    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall")
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wno-class-memaccess")

    if (WIN32)
        set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static")
    else()
        set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static-libgcc -static-libstdc++")
    endif()

    if (BUILD_STATIC)
        set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static")
    endif()

    add_definitions(/D_GNU_SOURCE)

    if (WITH_GOOGLE_BREAKPAD)
        set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -g")
        set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -g")
    endif()

    if (${CMAKE_VERSION} VERSION_LESS "3.1.0")
        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99")
        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
    endif()

elseif (CMAKE_CXX_COMPILER_ID MATCHES MSVC)
    set(CMAKE_C_FLAGS_RELEASE "/MT /O2 /Oi /DNDEBUG /GL")
    set(CMAKE_CXX_FLAGS_RELEASE "/MT /O2 /Oi /DNDEBUG /GL")

    add_definitions(/D_CRT_SECURE_NO_WARNINGS)
    add_definitions(/D_CRT_NONSTDC_NO_WARNINGS)
    add_definitions(/DNOMINMAX)
    add_definitions(/DHAVE_ROTR)

elseif (CMAKE_CXX_COMPILER_ID MATCHES Clang)
    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall")
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wno-overloaded-virtual")

    if ((WIN32 AND ARM_TARGET) OR BUILD_STATIC)
        set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static")
    endif()
endif()