SET(TOKUDB_VERSION )
# PerconaFT only supports x86-64 and cmake-2.8.9+
IF(CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64" AND
    NOT CMAKE_VERSION VERSION_LESS "2.8.9")
CHECK_CXX_SOURCE_COMPILES(
"
struct a {int b; int c; };
struct a d = { .b=1, .c=2 };
int main() { return 0; }
" TOKUDB_OK)
ENDIF()

IF(NOT TOKUDB_OK OR WITHOUT_TOKUDB OR WITHOUT_TOKUDB_STORAGE_ENGINE)
  RETURN()
ENDIF()

## adds a compiler flag if the compiler supports it
include(CheckCCompilerFlag)
include(CheckCXXCompilerFlag)

# pick language dialect
check_cxx_compiler_flag(-std=c++11 HAVE_STDCXX11)
if (HAVE_STDCXX11)
  set(CMAKE_CXX_FLAGS "-std=c++11 -Wno-deprecated-declarations ${CMAKE_CXX_FLAGS}")
else ()
  message(FATAL_ERROR "${CMAKE_CXX_COMPILER} doesn't support -std=c++11, you need one that does.")
endif ()


SET(BUILD_TESTING OFF CACHE BOOL "")
SET(USE_VALGRIND OFF CACHE BOOL "")
SET(TOKU_DEBUG_PARANOID OFF CACHE BOOL "")

# Enable TokuDB's TOKUDB_DEBUG in debug builds
SET(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -DTOKUDB_DEBUG")

IF(NOT DEFINED TOKUDB_VERSION)
    IF(DEFINED ENV{TOKUDB_VERSION})
        SET(TOKUDB_VERSION $ENV{TOKUDB_VERSION})
    ENDIF()
ENDIF()
IF(DEFINED TOKUDB_VERSION)
    ADD_DEFINITIONS("-DTOKUDB_VERSION=${TOKUDB_VERSION}")
    IF (${TOKUDB_VERSION} MATCHES "^tokudb-([0-9]+)\\.([0-9]+)\\.([0-9]+.*)")
        ADD_DEFINITIONS("-DTOKUDB_VERSION_MAJOR=${CMAKE_MATCH_1}")
        ADD_DEFINITIONS("-DTOKUDB_VERSION_MINOR=${CMAKE_MATCH_2}")
        ADD_DEFINITIONS("-DTOKUDB_VERSION_PATCH=${CMAKE_MATCH_3}")
    ENDIF()
ENDIF()

IF(DEFINED TOKUDB_NOPATCH_CONFIG)
    ADD_DEFINITIONS("-DTOKUDB_NOPATCH_CONFIG=${TOKUDB_NOPATCH_CONFIG}")
ENDIF()

macro(set_cflags_if_supported)
  foreach(flag ${ARGN})
    string(REGEX REPLACE "-" "_" temp_flag ${flag})
    check_c_compiler_flag(${flag} HAVE_C_${temp_flag})
    if (HAVE_C_${temp_flag})
      set(CMAKE_C_FLAGS "${flag} ${CMAKE_C_FLAGS}")
    endif ()
    check_cxx_compiler_flag(${flag} HAVE_CXX_${temp_flag})
    if (HAVE_CXX_${temp_flag})
      set(CMAKE_CXX_FLAGS "${flag} ${CMAKE_CXX_FLAGS}")
    endif ()
  endforeach(flag)
endmacro(set_cflags_if_supported)

macro(append_cflags_if_supported)
  foreach(flag ${ARGN})
    string(REGEX REPLACE "-" "_" temp_flag ${flag})
    check_c_compiler_flag(${flag} HAVE_C_${temp_flag})
    if (HAVE_C_${temp_flag})
      set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${flag}")
    endif ()
    check_cxx_compiler_flag(${flag} HAVE_CXX_${temp_flag})
    if (HAVE_CXX_${temp_flag})
      set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${flag}")
    endif ()
  endforeach(flag)
endmacro(append_cflags_if_supported)

set_cflags_if_supported(-Wno-missing-field-initializers)
append_cflags_if_supported(-Wno-vla)

IF (EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/PerconaFT/")
    IF (EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/ft-index/")
        MESSAGE(FATAL_ERROR "Found both PerconaFT and ft-index sources.  Don't know which to use.")
    ENDIF ()
    SET(TOKU_FT_DIR_NAME "PerconaFT")
    
ELSEIF (EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/ft-index/")
    MESSAGE(WARNING "Found ft-index sources, ft-index is deprecated and replaced with PerconaFT.")
    SET(TOKU_FT_DIR_NAME "ft-index")
ELSE ()
    MESSAGE(FATAL_ERROR "Could not find PerconaFT sources.")
ENDIF ()

IF (WITH_VALGRIND)
    SET(USE_VALGRIND "ON")
ENDIF ()

ADD_SUBDIRECTORY(${TOKU_FT_DIR_NAME})
INCLUDE_DIRECTORIES(${TOKU_FT_DIR_NAME})
INCLUDE_DIRECTORIES(${TOKU_FT_DIR_NAME}/portability)
INCLUDE_DIRECTORIES(${TOKU_FT_DIR_NAME}/util)
INCLUDE_DIRECTORIES(${CMAKE_CURRENT_BINARY_DIR}/${TOKU_FT_DIR_NAME})
INCLUDE_DIRECTORIES(${CMAKE_CURRENT_BINARY_DIR}/${TOKU_FT_DIR_NAME}/buildheader)
INCLUDE_DIRECTORIES(${CMAKE_CURRENT_BINARY_DIR}/${TOKU_FT_DIR_NAME}/portability)


SET(TOKUDB_PLUGIN_DYNAMIC "ha_tokudb")
SET(TOKUDB_SOURCES
    ha_tokudb.cc
    tokudb_background.cc
    tokudb_information_schema.cc
    tokudb_sysvars.cc
    tokudb_thread.cc
    tokudb_dir_cmd.cc)
MYSQL_ADD_PLUGIN(tokudb ${TOKUDB_SOURCES} STORAGE_ENGINE MODULE_ONLY
    LINK_LIBRARIES tokufractaltree_static tokuportability_static ${ZLIB_LIBRARY} stdc++)
SET(CMAKE_MODULE_LINKER_FLAGS_RELEASE "${CMAKE_MODULE_LINKER_FLAGS_RELEASE} -flto -fuse-linker-plugin")
SET(CMAKE_MODULE_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_MODULE_LINKER_FLAGS_RELWITHDEBINFO} -flto -fuse-linker-plugin")