set(CMAKE_C_FLAGS                  "${CMAKE_C_FLAGS} -Wall -Wextra -fPIC")
set(CMAKE_CXX_FLAGS                "${CMAKE_CXX_FLAGS} -Wall -Wextra -fPIC")
set(CMAKE_CXX_FLAGS_DEBUG          "-O0 -g -gdwarf")
set(CMAKE_CXX_FLAGS_MINSIZEREL     "-Os -DNDEBUG")
set(CMAKE_CXX_FLAGS_RELEASE        "-O4 -DNDEBUG")
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g -gdwarf")

set(CMAKE_C_STANDARD 11)
set(CMAKE_CXX_STANDARD 11)

set(CMAKE_C_EXTENSIONS ON)
set(CMAKE_CXX_EXTENSIONS ON)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

if (ARCH STREQUAL "arm")
    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mthumb -mthumb-interwork")
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mthumb -mthumb-interwork")
endif()

if (CMAKE_CXX_COMPILER_ID MATCHES "GNU")
    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu11")
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++11")
    execute_process(
        COMMAND ${CMAKE_CXX_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION)
    if (NOT (GCC_VERSION VERSION_GREATER 4.7 OR GCC_VERSION VERSION_EQUAL 4.7))
        message(FATAL_ERROR "${PROJECT_NAME} requires g++ 4.7 or greater.")
    endif ()
elseif (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
elseif (CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /stdlib=libc++")
else ()
    message(FATAL_ERROR "Your C++ compiler does not support C++11.")
endif ()

# Workaround Compile Errors
if (CMAKE_CXX_COMPILER_ID MATCHES "GNU")
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-reorder -Wno-unused -Wno-misleading-indentation -Wno-format-truncation -fno-strict-aliasing -Wno-address-of-packed-member -Wno-psabi")
    if(NOT ARCH STREQUAL "fpga")
        add_compile_options(-fstack-protector-strong -D_FORTIFY_SOURCE=2)
    endif()
elseif (CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
    add_definitions(-D_CRT_SECURE_NO_WARNINGS)
endif()

if (RKAIQ_ENABLE_ASAN)
    set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -fno-omit-frame-pointer -fsanitize=address")
    set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -fno-omit-frame-pointer -fsanitize=address")
    set(CMAKE_LINKER_FLAGS_DEBUG "${CMAKE_LINKER_FLAGS_DEBUG} -fno-omit-frame-pointer -fsanitize=address")
    set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO} -fno-omit-frame-pointer -fsanitize=address")
    set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} -fno-omit-frame-pointer -fsanitize=address")
    set(CMAKE_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_LINKER_FLAGS_RELWITHDEBINFO} -fno-omit-frame-pointer -fsanitize=address")
endif()