CMakeLists.txt

cmake_minimum_required (VERSION 3.22)
if (NOT DEFINED CMAKE_CXX_COMPILER)
  set(CMAKE_CXX_COMPILER /usr/bin/clang++-12)
endif()
if (NOT DEFINED CMAKE_C_COMPILER)
  set(CMAKE_C_COMPILER /usr/bin/clang-12)
endif()

project(StarkStack VERSION 0.1.0 LANGUAGES CXX C ASM)
include(CTest)

# Basic setup for gtest
find_package(GTest REQUIRED)
include_directories(${GTEST_INCLUDE_DIRS})

enable_testing()

include_directories("${CMAKE_SOURCE_DIR}/src")
include_directories("${CMAKE_BINARY_DIR}/src")

# Basic setup for gflags
find_package(gflags REQUIRED)

if (NOT DEFINED CMAKE_BUILD_TYPE)
  set(CMAKE_BUILD_TYPE Debug)
endif()

# Clang specific flags.
if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
  # Use absolute-paths for diagnostics to make them clickable in vscode.
  add_compile_options("-fdiagnostics-absolute-paths")

  # Increase constexpr steps.
  add_compile_options("-fconstexpr-steps=20000000")
endif()

# Force colored output.
#add_compile_options ("-fdiagnostics-color=always")

if (DEFINED NO_AVX)
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DNO_AVX=1")
else()
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mpclmul -maes")
endif()

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17 -Wall -Wextra -Wno-mismatched-tags -fno-strict-aliasing -fPIC")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC")

set(CC_OPTIMIZE "-O3")
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -g")
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} ${CC_OPTIMIZE} -g -DNDEBUG")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} ${CC_OPTIMIZE}")

#set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror")
# USE_REGISTER_HINTS enables a trick based on GCC's extended asm to improve the generated code.
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DUSE_REGISTER_HINTS")

set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
add_subdirectory(src)

set(CPACK_PROJECT_NAME ${PROJECT_NAME})
set(CPACK_PROJECT_VERSION ${PROJECT_VERSION})
include(CPack)