cmake_minimum_required(VERSION 3.19 FATAL_ERROR)

project(UnitTest CXX)

set(COMPILE_FLAGS
	-pipe
	-march=skylake # change to native or your architecture.
	-mtune=skylake # same as above
	-mrdseed # be careful about this, this is linked to the x86 architecture.
	-mrdrnd # same as above
	-Wall
	-Wextra
	-Wpedantic
	#	-Wpadded
	-pedantic
	-ffunction-sections
	-fdata-sections
	-fuse-ld=gold
	-funroll-loops
	-fdevirtualize-at-ltrans
	-fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free
	)
set(LINKER_OPTIONS
	-Wl,--sort-common,--as-needed,--gc-sections,--strip-all
	-fuse-ld=gold
	-fdevirtualize-at-ltrans
	)

set(LINKER_FLAGS
	jemalloc
	)

add_executable(UnitTest adummy.cpp characteristics_tests.cpp)

set_target_properties(Catch2 UnitTest PROPERTIES
					  CXX_STANDARD 17
					  CXX_STANDARD_REQUIRED ON
					  CXX_EXTENSIONS OFF
					  INTERPROCEDURAL_OPTIMIZATION ON
#					  UNITY_BUILD ON
					  )

target_include_directories(UnitTest PRIVATE ${CMAKE_SOURCE_DIR}/include)
target_compile_definitions(UnitTest PRIVATE ${DEF_COMP})
target_compile_options(UnitTest PRIVATE ${COMPILE_FLAGS})
target_link_options(UnitTest PRIVATE ${LINKER_OPTIONS})
target_link_libraries(UnitTest ${LINKER_FLAGS} Catch2 nlohmann_json::nlohmann_json)