CMakeLists.txt

cmake_minimum_required(VERSION 3.10)
if(NOT WIN32)
  string(ASCII 27 Esc)
  set(ColourReset "${Esc}[m")
  set(ColourBold  "${Esc}[1m")
  set(Red         "${Esc}[31m")
  set(Green       "${Esc}[92m")
  set(Yellow      "${Esc}[33m")
  set(Blue        "${Esc}[34m")
  set(Magenta     "${Esc}[35m")
  set(Cyan        "${Esc}[36m")
  set(White       "${Esc}[37m")
  set(BoldRed     "${Esc}[1;31m")
  set(BoldGreen   "${Esc}[1;32m")
  set(BoldYellow  "${Esc}[1;33m")
  set(BoldBlue    "${Esc}[1;34m")
  set(BoldMagenta "${Esc}[1;35m")
  set(BoldCyan    "${Esc}[1;36m")
  set(BoldWhite   "${Esc}[1;37m")
endif()

if(CMAKE_CURRENT_BINARY_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
   message(FATAL_ERROR "${Red}In-source builds are not allowed.${ColourReset}")
endif()

project(Cengine)

set(CMAKE_CXX_STANDARD 20)
set(CXX_STANDARD 20)

if(NOT CMAKE_BUILD_TYPE)
	message("${Yellow}Build type not specified, assuming Release mode${ColourReset}")
    set(CMAKE_BUILD_TYPE Release)
endif()

set(CMAKE_EXPORT_COMPILE_COMMANDS True)
file(GLOB libcengine_src "src/*.hpp" "src/*.cpp")
list(REMOVE_ITEM libcengine_src "${CMAKE_CURRENT_SOURCE_DIR}/src/main.cpp")
list(REMOVE_ITEM libcengine_src "${CMAKE_CURRENT_SOURCE_DIR}/src/thread_pool_test.cpp")
#message("${libcengine_src}")
try_compile(POPCNT "${CMAKE_BINARY_DIR}" "${CMAKE_SOURCE_DIR}/checks/popcount_support.cpp" COMPILE_DEFINITIONS -march=native)
set(BMI_MACROS "")
if(POPCNT)
	message("${Green}Supports popcnt...${ColourReset}")
	set (BMI_MACROS "${BMI_MACROS} -DUSE_POPCNT")
else()
	message("${Red}Doesn't support popcnt...${ColourReset}")
endif()

try_compile(PEXT "${CMAKE_BINARY_DIR}" "${CMAKE_SOURCE_DIR}/checks/pext_support.cpp" COMPILE_DEFINITIONS -march=native)

if(PEXT)
	message("${Green}Supports pext...${ColourReset}")
	#set (BMI_MACROS "${BMI_MACROS} -DUSE_PEXT")
else()
	message("${Red}Doesn't support pext...${ColourReset}")
endif()
if(NOT EMSCRIPTEN)
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -Wno-narrowing -fopenmp -march=native")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} ${BMI_MACROS} -Wno-narrowing -march=native -fopenmp")
endif()
add_library(libcengine STATIC ${libcengine_src})
add_executable(cengine "src/main.cpp")
target_link_libraries(cengine PUBLIC libcengine)
#add_executable(tptest "src/thread_pool.cpp" "src/thread_pool_test.cpp" "src/bitboard.cpp" "src/position.cpp")
#target_link_libraries(cengine gomp)
add_custom_target( FinalMessage ALL
    ${CMAKE_COMMAND} -E cmake_echo_color --cyan "Building ${CMAKE_BUILD_TYPE} is over!"
    COMMENT "Final Message" )
add_dependencies(FinalMessage cengine)