CMakeLists.txt

CMAKE_MINIMUM_REQUIRED(VERSION 3.14.0 FATAL_ERROR)
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_POSITION_INDEPENDENT_CODE ON)

IF(NOT CMAKE_BUILD_TYPE)
  SET(CMAKE_BUILD_TYPE "RELEASE")
ENDIF()

project(BLS)

set(BUILD_BLS_PYTHON_BINDINGS 1 CACHE INTEGER "")
set(BUILD_BLS_TESTS 1 CACHE INTEGER "")
set(BUILD_BLS_BENCHMARKS 1 CACHE INTEGER "")

message(STATUS "Build python bindings: ${BUILD_BLS_PYTHON_BINDINGS}")
message(STATUS "Build tests: ${BUILD_BLS_TESTS}")
message(STATUS "Build benchmarks: ${BUILD_BLS_BENCHMARKS}")

# Add path for custom modules
set(CMAKE_MODULE_PATH
	${CMAKE_MODULE_PATH}
	${CMAKE_CURRENT_SOURCE_DIR}/cmake_modules
)

# Make sure to statically link libsodium when building wheels on ci
if(DEFINED ENV{CIBUILDWHEEL})
  set(sodium_USE_STATIC_LIBS TRUE)
  message("libsodium will be statically linked because $CIBUILDWHEEL is defined.")
endif()

find_package(sodium)
if (SODIUM_FOUND)
  message(STATUS "Found libsodium")
  message(STATUS "Sodium include dir = ${sodium_INCLUDE_DIR}")
  set(BLSALLOC_SODIUM "1" CACHE STRING "")
  include_directories(${sodium_INCLUDE_DIR})
endif()

set(STBIN TRUE)
find_package(gmp)
if (GMP_FOUND)
  message(STATUS "Found libgmp")
  set(ARITH "gmp" CACHE STRING "")
else()
  set(ARITH "easy" CACHE STRING "")
endif()

if(EMSCRIPTEN)
  # emscripten needs arch set to be none since it can't compile assembly
  set(ARCH "" CACHE STRING "")
  # emscripten is a 32 bit compiler
  set(WSIZE 32 CACHE INTEGER "")
else()
  set(WSIZE 64 CACHE INTEGER "")
endif()

set(TIMER "CYCLE" CACHE STRING "")
set(CHECK "off" CACHE STRING "")
set(VERBS "off" CACHE STRING "")
set(ALLOC "AUTO" CACHE STRING "")
set(SHLIB "OFF" CACHE STRING "")
set(MULTI "PTHREAD" CACHE STRING "")
set(DOCUM "off" CACHE STRING "")

set(FP_PRIME 381 CACHE INTEGER "")

IF (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
  set(SEED "UDEV" CACHE STRING "")
  set(FP_QNRES "off" CACHE STRING "")
ELSEIF (${CMAKE_SYSTEM_NAME} MATCHES "Windows")
  set(SEED "WCGR" CACHE STRING "")
  set(FP_QNRES "on" CACHE STRING "")
ELSE()
  set(SEED "UDEV" CACHE STRING "")
  set(FP_QNRES "on" CACHE STRING "")
ENDIF()
set(STBIN "OFF" CACHE STRING "")

set(FP_METHD "INTEG;INTEG;INTEG;MONTY;LOWER;SLIDE" CACHE STRING "")
set(COMP "-O3 -funroll-loops -fomit-frame-pointer" CACHE STRING "")
set(FP_PMERS "off" CACHE STRING "")
set(FPX_METHD "INTEG;INTEG;LAZYR" CACHE STRING "")
set(EP_PLAIN "off" CACHE STRING "")
set(EP_SUPER "off" CACHE STRING "")
# Disable relic tests and benchmarks
set(TESTS 0 CACHE INTEGER "")
set(BENCH 0 CACHE INTEGER "")
set(QUIET 1 CACHE INTEGER "")

set(PP_EXT "LAZYR" CACHE STRING "")
set(PP_METHD "LAZYR;OATEP" CACHE STRING "")

add_subdirectory(src)

if (EMSCRIPTEN)
  add_subdirectory(js-bindings)
else()
  # emscripten can't build python bindings, it produces only javascript
  # add_subdirectory(contrib/pybind11)
  if (BUILD_BLS_PYTHON_BINDINGS)
    add_subdirectory(python-bindings)
  endif()
endif()